UGC NET Paper 1: 2nd January 2026 Shift 1 (Previous Year Paper)

Given:

2021: A = 29, B = 45, C = 26, D = 15, E = 32

2022: A = 32, B = 52, C = 58, D = 26, E = 35

2023: A = 28, B = 54, C = 92, D = 24, E = 39

2024: A = 26, B = 58, C = 86, D = 27, E = 34

2025: A = 23, B = 63, C = 82, D = 28, E = 34

Formula used:

Percentage of B = (B / Total production of year) × 100

Calculations:

2021:

Total = 29 + 45 + 26 + 15 + 32 = 147

⇒ B% = \(\dfrac{45}{147} × 100\) ≈ 30.6%

2022:

Total = 32 + 52 + 58 + 26 + 35 = 203

⇒ B% = \(\dfrac{52}{203} × 100\) ≈ 25.6%

2023:

Total = 28 + 54 + 92 + 24 + 39 = 237

⇒ B% = \(\dfrac{54}{237} × 100\) ≈ 22.8%

2024:

Total = 26 + 58 + 86 + 27 + 34 = 231

⇒ B% = \(\dfrac{58}{231} × 100\) ≈ 25.1%

2025:

Total = 23 + 63 + 82 + 28 + 34 = 230

⇒ B% = \(\dfrac{63}{230} × 100\) ≈ 27.4%

∴ Product B has the lowest percentage in 2023.

∴ The correct answer is option 3.

Given:

C (2023) = 92

B (2022) = 52

B (2024) = 58

Formula used:

Percentage = (Required / Total) × 100

Calculations:

Total B (2022 & 2024) = 52 + 58

⇒ 110

Required % = \(\dfrac{92}{110} × 100\)

⇒ 83.64%

≈ 84%

∴ Required percentage ≈ 84%.

∴ The correct answer is option 1.

Given:

C (2023) = 92

E (2023) = 39

C (2025) = 82

E (2025) = 34

Formula used:

Combined production = C + E

Calculations:

2023 combined = 92 + 39

⇒ 131

2025 combined = 82 + 34

⇒ 116

Difference = 131 − 116

⇒ 15

∴ Difference = 15 (thousand).

∴ The correct answer is option 2.

Given:

D (2021) = 15

D (2024) = 27

Formula used:

Percentage less = \(\dfrac{Difference}{Original} × 100\)

Calculations:

Difference = 27 − 15

⇒ 12

Required % = \(\dfrac{12}{27} × 100\)

⇒ 44.44%

≈ 44%

∴ Production in 2021 is approximately 44% less than in 2024.

∴ The correct answer is option 4.

Given:

Average production of year = (A + B + C + D + E) / 5

Calculations:

2021:

Total = 29 + 45 + 26 + 15 + 32 = 147

⇒ Average = \(\dfrac{147}{5}\) = 29.4

A = 29 (≈ equal)

2022:

Total = 203

⇒ Average = 40.6

A = 32( Not Equal)

2023:

Total = 237

⇒ Average = 47.4

A = 28( Not Equal)

2024:

Total = 231

⇒ Average = 46.2

A = 26( Not Equal)

2025:

Total = 230

⇒ Average = 46

A = 23( Not Equal)

∴ Manufacturing of product A was approximately equal to the average in 2021.

∴ The correct answer is option 1.

The correct answer is 'Arsenic'

Key Points

• Arsenic:
• Black-foot disease is a severe peripheral vascular disorder that is strongly associated with chronic arsenic poisoning due to contamination in drinking water.
• Arsenic exposure occurs when groundwater, especially in areas with high natural arsenic content, is consumed over a prolonged period.
• The disease manifests as progressive loss of circulation, leading to gangrene in the extremities, particularly the feet.
• Arsenic contamination is prevalent in regions such as Bangladesh, India, and Taiwan, where groundwater is a primary source of drinking water.
• Prolonged exposure to arsenic can also lead to other health issues, including skin lesions, cancers, cardiovascular diseases, and neurological disorders.
• Preventive measures include regular testing of water sources, using arsenic-free water for drinking and cooking, and implementing water purification methods like reverse osmosis.

Additional Information

• Cadmium:
• Cadmium contamination in drinking water is harmful but does not cause Black-foot disease.
• Exposure to cadmium primarily affects the kidneys, causing renal dysfunction and bone demineralization (commonly referred to as "Itai-Itai disease").
• Cadmium poisoning occurs from industrial pollutants, mining activities, and improper disposal of batteries.
• Mercury:
• Mercury contamination is highly toxic but is not related to Black-foot disease.
• Mercury poisoning primarily affects the nervous system and can lead to neurological symptoms such as tremors, memory loss, and impaired motor skills.
• Methylmercury poisoning from contaminated fish and water can cause a condition known as Minamata disease.
• Lead:
• Lead poisoning is a serious health concern but does not cause Black-foot disease.
• Lead exposure affects multiple systems in the body, particularly the brain, kidneys, and blood. It is especially harmful to children, causing developmental delays and cognitive impairments.
• Common sources of lead contamination include old lead pipes, paint, and industrial waste.

Important Points

• The term Black-foot disease is derived from the dark discoloration and gangrene observed in the feet of affected individuals.
• Research in Taiwan was pivotal in linking arsenic exposure to this disease, as high levels of arsenic were found in water wells used by affected communities.
• Arsenic contamination is often naturally occurring, but human activities such as mining and industrial processes can exacerbate the problem.
• Global organizations, including the WHO, emphasize the importance of arsenic testing and mitigation strategies to reduce health risks.
• Education and awareness programs are crucial for communities reliant on groundwater in arsenic-prone regions.

The correct answer is - National Educational Technology Forum

Key Points

• National Educational Technology Forum (NETF)
• Established under the National Education Policy (NEP) 2020 to enhance the use of technology in education.
• Responsible for setting standards in content, technology, and pedagogy for online/digital teaching-learning.
• NETF aims to ensure equitable access to technology-enabled education, promote research, and build capacity for educators and institutions.

Additional Information

• Key Objectives of NEP 2020
• Transform India's education system by introducing multidisciplinary approaches and fostering critical thinking.
• Encourage the use of digital tools to bridge the learning gap and ensure accessibility for all students.
• Strengthen teacher education and training in modern pedagogical practices.
• Role of Technology in Education
• Technology serves as a catalyst to improve the quality and reach of education.
• It enables the creation of customized learning experiences through adaptive platforms and tools.
• NEP 2020 stresses the importance of integrating AI, big data, and other emerging technologies into the education ecosystem.
• Key Institutions Supporting NEP 2020
• Central Institute of Educational Technology (CIET): Develops digital resources for school education.
• Consortium for Educational Communication (CEC): Facilitates technology-driven education for higher education institutions.
• Indira Gandhi National Open University (IGNOU): Pioneers in distance learning and online education in India.

The Correct answer is: A and C

Key Points

• RAM (Random Access Memory):
• This statement is correct.
• RAM is a volatile memory, meaning it loses its data when the power is turned off.
• It is used to store data and instructions that the CPU needs during execution, offering high-speed access.
• Examples include DRAM (Dynamic RAM) and SRAM (Static RAM).
• ROM (Read-Only Memory):
• This statement is incorrect.
• ROM is a non-volatile memory, meaning it retains its data even when the power is turned off.
• It is used to store firmware or permanent instructions that do not change frequently, such as the BIOS in a computer.
• Cache Memory:
• This statement is correct.
• Cache memory is a type of volatile memory, meaning it loses its data when the power is switched off.
• It is used to store frequently accessed data and instructions to improve processing speed, acting as a buffer between the CPU and main memory.
• It is faster than RAM but smaller in size.
• SSD (Solid State Drive):
• This statement is incorrect.
• An SSD is a non-volatile storage device, meaning it retains its data even after the power is turned off.
• It uses flash memory to store data and is known for its high speed and durability compared to traditional hard drives.
• HDD (Hard Disk Drive):
• This statement is incorrect.
• HDDs are non-volatile storage devices, meaning they do not lose data when the power is turned off.
• They use magnetic storage to store data and are typically slower than SSDs but have larger storage capacities.

Additional Information

• Volatile vs Non-Volatile Memory:
• Volatile Memory: Requires constant power to retain data. Examples include RAM and Cache.
• Non-Volatile Memory: Retains data even when power is turned off. Examples include ROM, SSDs, and HDDs.
• RAM vs Cache Memory:
• RAM: Larger in size, slower than cache, and used for general-purpose storage during program execution.
• Cache Memory: Smaller in size, faster than RAM, and located closer to the CPU for quick access to frequently used data.
• Importance of Non-Volatile Storage:
• Non-volatile storage ensures that important data is not lost when a device is powered off.
• It is essential for long-term data storage, such as operating systems, applications, and user files.

The correct answer is - A-IV, B-I, C-II, D-III

Key Points

• Snowball Sampling (A-IV)
• This method uses initial respondents to identify or recruit other participants for the study.
• It is commonly applied in studies involving hidden or hard-to-reach populations.
• Purposive Sampling (B-I)
• In this method, cases are handpicked based on their specific relevance or usability to the research.
• It ensures that only relevant data is collected, aligning with the study's objectives.
• Quota Sampling (C-II)
• This method is the non-probability equivalent of stratified sampling.
• Researchers create quotas for different subgroups to ensure representation.
• Convenience Sampling (D-III)
• Respondents are selected based on ease of accessibility, such as choosing the nearest individuals.
• It is widely used for quick and cost-effective data collection but may introduce bias.

Additional Information

• Non-Probability Sampling
• Unlike probability sampling, not all members of the population have an equal chance of being selected.
• It is often used for exploratory research or when probability sampling is impractical.
• Types of Non-Probability Sampling
• Snowball Sampling: Particularly effective for studying social networks or specific communities.
• Purposive Sampling: Ensures the selection of cases that best serve the research purpose.
• Quota Sampling: Helps maintain the proportional representation of subgroups.
• Convenience Sampling: Suitable for preliminary or time-sensitive studies.
• Limitations of Non-Probability Sampling
• Can lead to selection bias as the sample may not represent the entire population.
• Findings cannot always be generalized to the population.

The Correct answer is: B, C, and D Only

Key Points

• Statement A: For the Nyaya, knowledge of Abhāva is acquired through Anupalabdhi Pramāņa:
• This statement is incorrect.
• The Nyaya school of philosophy does not recognize Anupalabdhi (non-perception) as a separate pramāṇa (means of knowledge).
• Instead, Nyaya explains knowledge of absence (Abhāva) through inference (Anumāna) or perception in specific contexts. For example, the absence of an object on a table is inferred based on the non-perception of the object when one is looking for it.
• Anupalabdhi as a separate pramāṇa is recognized by the Advaita Vedanta and Bhāṭṭa Mīmāṃsā schools, but not by the Nyaya school.
• Statement B: The Nyaya makes a distinction between Laukika and Alaukika Pratyakṣa:
• This statement is correct.
• Nyaya defines Pratyakṣa (perception) as knowledge derived from the direct contact of the senses with the object.
• Nyaya distinguishes between two types of perception:
• Laukika (ordinary): Perception derived from normal sensory contact with objects (e.g., seeing a tree).
• Alaukika (extraordinary): Perception that arises through extraordinary means such as:
• Sāmānya-lakṣaṇa: Perception of a universal through individuals (e.g., recognizing "cowness" in a cow).
• Jñāna-lakṣaṇa: Perception influenced by prior knowledge (e.g., recognizing fire upon seeing smoke).
• Yogaja: Supernatural perception attained by yogis.
• Statement C: The Nyaya reduces Arthāpatti to Anumāna:
• This statement is correct.
• Arthāpatti (postulation or presumption) is recognized as an independent pramāṇa by the Mīmāṃsā and Advaita Vedanta schools. It refers to the process of presumption to explain a situation that cannot otherwise be accounted for (e.g., inferring that a person who is gaining weight without eating during the day must be eating at night).
• However, the Nyaya school does not accept Arthāpatti as a separate pramāṇa. Instead, it considers such cases as a form of inference (Anumāna), where the conclusion is drawn based on logical reasoning and evidence.
• Statement D: The Nyaya accepts the validity of Upamāna as a Pramāṇa:
• This statement is correct.
• Nyaya recognizes Upamāna (comparison) as one of the valid pramāṇas for acquiring knowledge.
• Upamāna involves knowledge gained through comparison or analogy. For example, if one learns the characteristics of a gavaya (wild cow) from someone and later identifies the animal in the forest based on those characteristics, the knowledge is acquired through Upamāna.
• Nyaya explains Upamāna as a distinct and valid means of knowledge, separate from perception, inference, and verbal testimony.

The correct answer is: 3 - C, D, E, A, B

The question requires arranging the items based on their year of appearance, starting from the oldest to the most recent. These items represent significant milestones in the history of communication and media technology. Understanding the historical timeline of these developments helps us appreciate how communication methods evolved over time.

Key Points

• Books (C):
• Year of Appearance: Around 868 CE (First printed book: "Diamond Sutra," a Chinese text).
• The invention of the printing press by Johannes Gutenberg in 1440 revolutionized the production of books, making written knowledge more accessible.
• Books are one of the oldest forms of media, allowing for the preservation and dissemination of knowledge, culture, and stories.
• The development of books marked the beginning of mass communication and intellectual exchange.
• Prototypical Newspaper (D):
• Year of Appearance: Early 17^th century.
• The first regularly published newspaper is often considered to be "Relation," published by Johann Carolus in 1605.
• Newspapers evolved as a medium to disseminate news and current events to a larger audience on a regular basis.
• They played a critical role in shaping public opinion and fostering informed societies.
• Film (E):
• Year of Appearance: Late 19^th century (1890s).
• The first motion pictures were developed by inventors such as Thomas Edison and the Lumière brothers. The Lumière brothers showcased the first public screening of projected motion pictures in 1895.
• Films became a groundbreaking medium for entertainment, storytelling, and cultural expression.
• With the advent of sound and color, films evolved into a powerful medium for mass communication and art.
• Radio (A):
• Year of Appearance: Early 20^th century (1900s).
• Guglielmo Marconi's work on wireless telegraphy in the late 19^th century laid the foundation for radio. The first commercial radio broadcast occurred in 1920 (KDKA in Pittsburgh).
• Radio allowed for real-time mass communication, revolutionizing news, music, and entertainment delivery.
• It played a significant role in connecting people across vast distances, particularly during times of war and emergencies.
• Television (B):
• Year of Appearance: Early-to-mid 20^th century.
• The invention of television is attributed to pioneers like John Logie Baird and Philo Farnsworth. The first public demonstration of television occurred in 1925 by Baird.
• Television combined visual and auditory communication, making it one of the most powerful mediums for entertainment, education, and news dissemination.
• It became a household staple in the mid-20^th century, shaping culture and public opinion on a global scale.

Additional Information

• The timeline of these communication milestones reflects the evolution of human innovation in sharing information and ideas.
• Books laid the foundation for preserving knowledge, while newspapers made information more accessible in a timely manner.
• The invention of films introduced a dynamic medium for storytelling, and radio brought real-time communication to the masses.
• Television merged auditory and visual elements, creating a powerful tool for entertainment and education.
• Each medium influenced the subsequent ones, contributing to the interconnected, media-rich world we live in today.

The correct answer is - A, B, and D Only

Key Points

• Diagnosis of learners
• Performed during the Inter-Active stage of teaching.
• This stage focuses on identifying learners' needs and understanding their progress during the actual teaching process.
• Feedback and Testing
• Occurs in the Post-Active stage, where the teacher evaluates the effectiveness of teaching.
• Feedback helps improve future teaching strategies.
• Selection of testing devices
• Also part of the Post-Active stage.
• Appropriate testing devices are selected for assessing learners' understanding and performance.

Additional Information

• Stages of Teaching
• Pre-Active Stage
• Focuses on planning, including setting goals and designing content.
• Decisions about strategies of teaching are also made in this stage.
• Inter-Active Stage
• Involves actual teaching and interaction with learners.
• Diagnosis and adjustment are made based on learners' responses.
• Post-Active Stage
• Focuses on evaluation and feedback.
• Includes testing learners and analyzing the effectiveness of teaching methods.
• Key Teaching Strategies
• Strategies are planned in the Pre-Active stage and adapted during the Inter-Active stage.
• Assessment and feedback are integrated into the Post-Active stage to refine teaching methods.

Given:

Fractions: Α = 9/11, B = 8/9, C = 4/7, D = 3/5, Ε = 8/15

Formula used:

To arrange fractions in descending order, compare their values by converting them into decimals.

Calculation:

Convert fractions to decimals:

Α = 9 ÷ 11 = 0.818

B = 8 ÷ 9 = 0.889

C = 4 ÷ 7 = 0.571

D = 3 ÷ 5 = 0.6

Ε = 8 ÷ 15 = 0.533

Arrange in descending order:

B (0.889) > Α (0.818) > D (0.6) > C (0.571) > Ε (0.533)

∴ The correct answer is option (4): B > A > D > C > E.

The correct option is**'Both A and R are correct but R is NOT the correct explanation of A'.**

Key Points

• Assertion A: Eutrophication leads to depletion of dissolved oxygen in a lake.
• This statement is true.
• Eutrophication: It is the process by which water bodies such as lakes and ponds become overly enriched with nutrients (primarily nitrogen and phosphorus), leading to excessive growth of algae and aquatic plants.
• The decomposition of organic matter (such as dead algae) by bacteria consumes dissolved oxygen in the water, leading to oxygen depletion. This creates hypoxic or anoxic conditions, which can be harmful to aquatic life.
• Reason R: Dissolved oxygen in water decreases with increase in temperature.
• This statement is true.
• Effect of Temperature on Dissolved Oxygen: The solubility of oxygen in water decreases as temperature increases. Warmer water holds less dissolved oxygen compared to cooler water.
• In warmer temperatures, aquatic organisms may struggle to obtain sufficient oxygen, especially if eutrophication is also depleting oxygen levels.
• Evaluation of the Relationship Between A and R:
• Both the assertion and the reason are accurate.
• However, the reason does not directly explain the assertion. Eutrophication primarily depletes dissolved oxygen due to organic matter decomposition and bacterial activity, not because of increased temperature.
• While temperature does influence dissolved oxygen levels, it is not the primary explanation for the oxygen depletion caused by eutrophication.

Additional Information

• Eutrophication: Excessive nutrient enrichment often results from human activities such as agricultural runoff, sewage discharge, and industrial effluents. It is a major environmental concern for freshwater ecosystems.
• Dissolved Oxygen: Dissolved oxygen is critical for the survival of fish and other aquatic organisms. Its depletion can result in fish kills and loss of biodiversity.
• While temperature plays a role in oxygen solubility, eutrophication-induced oxygen depletion is primarily driven by biological processes rather than temperature changes.

--- This explanation provides a detailed analysis of both the assertion and the reason, evaluates their relationship, and highlights why option 2 is the correct choice.

The correct answer is - It is not appropriate for lower order learning

Key Points

• Behaviourist model
• The behaviourist model of teaching is primarily based on the concept of stimulus-response association.
• It is highly effective in teaching lower-order learning tasks such as memorization, repetition, and basic skill development.
• The claim that behaviourist teaching is "not appropriate for lower-order learning" is incorrect, as this is where it is most effective.
• Criticisms of behaviourism
• It ignores internal cognitive processes like understanding, reasoning, or problem-solving.
• It is less effective for higher-order learning tasks that require critical thinking and creativity.
• Not all learning is reducible to mere stimulus-response associations, as learning often involves complex mental processes.

Additional Information

• Cognitive processes
• Cognitive theories argue that learning involves active mental engagement, such as processing, organizing, and storing information.
• Examples of cognitive processes include problem-solving, critical thinking, and decision-making.
• Higher-order learning
• This refers to learning tasks that go beyond memorization and require application, analysis, synthesis, and evaluation.
• Constructivist and cognitive approaches are generally considered more suitable for fostering higher-order learning.
• Examples of behaviourist techniques
• Positive reinforcement (e.g., rewards for correct answers).
• Repetition and practice to instill habits or basic skills.
• Direct instruction with immediate feedback to correct errors.

The correct answer is 'Universal Serial Bus'

Key Points

• Universal Serial Bus (USB):
• USB is a widely used technology that allows devices to connect to a computer or other hardware for data transfer and power supply.
• It was first introduced in 1996 to simplify connections between devices such as keyboards, mice, storage devices, printers, and more.
• USB technology standardizes device connectivity, reducing the need for multiple types of connectors and cables.
• Different versions of USB have been released over the years, such as USB 1.0, USB 2.0, USB 3.0, USB 3.1, and USB 4.0, each offering improved speed and functionality.
• The USB interface supports both data transfer and power delivery, making it versatile for charging devices as well as transferring files.
• USB connectors are available in various forms, such as USB Type-A, USB Type-B, and USB Type-C, with USB-C being the latest and most versatile.

Important Points

• USB technology has become the global standard for connecting peripheral devices to computers and other hardware.
• It supports a wide variety of devices, ranging from storage drives to gaming controllers, webcams, and more.
• The USB Implementers Forum (USB-IF) is the organization responsible for maintaining and promoting USB standards.
• USB Type-C, the latest connector type, is reversible and supports faster data transfer speeds and higher power delivery compared to previous versions.
• The versatility and ease of use of USB have contributed to its widespread adoption across industries and consumer electronics.

The correct answer is 'Technological Determinist'

Key Points

• Technological Determinism:
• Technological determinism is a theory that argues that technology is the principal driver of societal change and shapes all aspects of human life, including social, political, economic, and cultural domains.
• It suggests that the development and diffusion of technology dictate the evolution of societies and their structures.
• Adherents of this view believe that technological innovation is inevitable and that it directly influences how societies organize themselves and progress over time.
• This perspective emphasizes the idea that humans and their social systems adapt to the technologies they create, rather than the other way around.
• Examples of technological determinism include how the invention of the printing press revolutionized education, communication, and knowledge dissemination, or how the internet has reshaped commerce, governance, and interpersonal relationships.

Additional Information

• Cultural Determinism:
• Cultural determinism is the belief that human behavior and societal development are primarily shaped by culture rather than technology, economics, or other factors.
• It argues that societal norms, values, traditions, and ideologies play a more significant role in shaping the world than technological advancements.
• This approach contrasts with technological determinism, as it places greater emphasis on human agency and cultural influences rather than technological inevitability.
• Technological Skepticism:
• Technological skepticism challenges the idea that technology is the primary driver of societal change and argues that its impact is often overstated.
• Skeptics highlight the role of human agency, social structures, and other non-technological factors in shaping human history and progress.
• This perspective often questions whether technological advancements inherently lead to better outcomes for society.
• Economic Determinism:
• Economic determinism is the theory that economic factors, such as the mode of production, class relations, and economic interests, are the primary drivers of societal change and organization.
• It is often associated with Marxist thought, which posits that economic forces shape the superstructure of society, including culture, politics, and ideology.
• This view downplays the role of technology as an independent factor, instead treating it as a product of economic conditions.

Important Points

• Technological determinism is often criticized for being overly simplistic, as it underestimates the role of human agency and other societal factors in shaping the adoption and use of technology.
• Critics argue that technology and society influence each other in a reciprocal relationship, a perspective known as the "social construction of technology."
• Famous proponents of technological determinism include Marshall McLuhan, who coined the phrase "the medium is the message," and Karl Marx, who highlighted the role of technology in the economic base of society.
• While technology plays a crucial role in societal evolution, it is essential to consider the broader context, including cultural, political, and economic dimensions, to gain a holistic understanding of societal change.

The correct answer is 'Viruddha'

Key Points

• Viruddha (Contradictory Reason):
• The term "Viruddha" refers to a fallacy in Indian logic (hetvābhāsa), where the reason (hetu) contradicts the conclusion (sādhya).
• In the given statement, "Sound is eternal, because it is caused," the reason provided ("because it is caused") contradicts the conclusion ("Sound is eternal").
• According to Indian philosophy, anything that is caused (produced) is impermanent. Hence, the reasoning here is inherently contradictory to the claim that sound is eternal.
• This type of fallacy occurs when the reason, instead of supporting the conclusion, negates or opposes it.
• In this context, the fallacy of 'Viruddha' arises because the reason (sound being caused) logically leads to the opposite conclusion (sound is impermanent), not the stated conclusion (sound is eternal).

Additional Information

• Asiddha (Unproven or Unrealized Reason):
• This fallacy occurs when the reason (hetu) itself is not established or is not applicable to the subject in question.
• For example, if the reason is based on something that is not proven or accepted, the argument becomes flawed.
• In the given statement, the reason ("it is caused") is a valid and established concept, so the fallacy of 'Asiddha' does not apply here.
• Satpratipakṣa (Counterbalancing Evidence):
• This fallacy arises when there is an equally valid counter-reason (pratipakṣa) that negates the original reason.
• For instance, if one argues "Sound is eternal because it is audible," someone could counter that "Sound is impermanent because it is caused."
• In the given example, there is no mention of a counter-reason explicitly provided, so this fallacy does not apply.
• Savyabhicāra (Irrelevant or Inconclusive Reason):
• Savyabhicāra refers to a fallacy where the reason provided is not consistently connected to the conclusion, leading to irrelevance or inconsistency.
• For example, if one argues "Sound is eternal because it is sweet," the reasoning would be irrelevant to the claim of eternality.
• In the given statement, the reason ("it is caused") is directly related to the conclusion, though it contradicts it, so this fallacy does not apply here.

Important Points

• In Indian philosophy, hetvābhāsa (fallacies) are categorized to ensure logical rigor and clarity in reasoning.
• Understanding these fallacies is crucial for assessing and constructing logical arguments, especially in the context of Indian epistemology and metaphysics.
• The fallacy of 'Viruddha' specifically highlights the need for coherence between the reason and conclusion in any argument.
• By identifying such fallacies, one can avoid flawed reasoning and make arguments more robust and convincing.

The correct answer is - A-III, B-IV, C-II, D-I

Key Points

• Primary Group (A-III)
• Membership in a primary group is based on sentiment, emotional bonds, and close, personal relationships.
• Examples include family and close friend circles.
• Self-help Group (B-IV)
• A self-help group consists of members who come together to address a common issue or problem.
• Examples include Alcoholics Anonymous or mental health support groups.
• Learning Group (C-II)
• A learning group focuses on improving members' skills, knowledge, or understanding.
• Examples include study groups or professional training groups.
• Public Group (D-I)
• In a public group, members interact to benefit an audience, such as in public speaking or performance settings.
• Examples include debate teams or theater groups.

Additional Information

• Types of Groups in Communication
• Groups are categorized based on their purpose and nature of interaction.
• Primary groups emphasize emotional connections, while public groups focus on external audience engagement.
• Key Functions of Groups
• Groups help in problem-solving, decision-making, and fostering personal growth.
• Each group type has a unique role in promoting interaction and collaboration.

The correct answer is - A is not correct but R is correct

Key Points

• Assertion A is not correct
• The statement in Assertion A suggests that higher education institutions allow students to enroll in pre-designed academic programs with credit transfer mechanisms. However, this is not universally applicable to all such institutions in the country.
• Not all Higher Education Institutions have adopted the required mechanisms or frameworks for such facilitation yet.
• Reason R is correct
• The Academic Bank of Credits (ABC) is a system designed to enable the storage and transfer of academic credits earned by students.
• It functions on the principles of multiple entry-multiple exit and any-time, any-where, and any-level learning, promoting flexibility in education.
• Conclusion
• While Reason R accurately describes the functionality of the Academic Bank of Credits, Assertion A incorrectly generalizes the implementation of this mechanism across all higher education institutions.

Additional Information

• Academic Bank of Credits (ABC)
• The ABC is part of the National Education Policy 2020 (NEP 2020), aimed at fostering a more flexible and multidisciplinary education system.
• It allows students to accumulate, store, and redeem credits earned from different recognized higher education institutions.
• The system also promotes lifelong learning by enabling re-entry into the education system at different stages.
• Multiple Entry-Multiple Exit Framework
• This framework allows students to exit a program at various stages with appropriate certification (e.g., certificate, diploma, or degree).
• The credits earned during the completed stages can be stored in the ABC for future use.
• Challenges in Implementation
• Not all institutions have the infrastructure or policies in place to integrate the ABC system effectively.
• There is a need for greater awareness and training among faculty and administrators to ensure smooth adoption of this framework.

The correct answer is: a-iv, b-iii, c-ii, d-i.

Key Points

 

 

Additional Information

• Introduction to the Topic:
• In Indian philosophy, different schools of thought accept various sources of knowledge, known as "Pramāṇas."
• Each philosophical tradition has its own understanding of knowledge acquisition and validation.
• Explanation of the Matching:
• Yogaja Pratyakşa: In Nyāya philosophy, "Yogaja Pratyakşa" refers to direct knowledge attained through yogic practices. This school emphasizes logical reasoning but also acknowledges extraordinary perception through yogic meditation.
• Kevalajñāna: Jain philosophy defines "Kevalajñāna" as omniscient knowledge, which is the highest form of knowledge attained by liberated souls. Jains believe in the concept of complete knowledge without any hindrances.
• Only Pratyakşa: Cārvāka philosophy, a materialistic school, accepts "Pratyakşa" (perception) as the sole valid source of knowledge, rejecting inference, testimony, and other sources.
• Aparokşānubhuti: Vedāntins emphasize direct experiential knowledge or realization, referred to as "Aparokşānubhuti." This pertains to the intuitive understanding of the self and ultimate reality, which transcends ordinary perception.
• Significance of the Answer:
• Understanding these concepts provides insight into the diverse epistemological approaches in Indian philosophy.
• Each school contributes to the broader philosophical discourse by offering unique perspectives on how knowledge can be acquired and validated.

Given:

Series: 582, 581, 585, 576, 592, 567, ?, 601, 602, 603, 599

Formula used:

Identify the pattern or difference between the numbers to find the missing value.

Calculation:

Differences between consecutive numbers:

⇒ 582 - 581 = -1

⇒ 581 - 585 = +4

⇒ 585 - 576 = -9

⇒ 576 - 592 = +16

⇒ 592 - 567 = -25

Pattern observed: Alternating positive and negative differences with squares of numbers (1², 2², 3², 4², 5², ...).

Next difference = +6² = +36

⇒ Missing number = 567 + 36 = 603

∴ The correct answer is option (3).

The correct answer is - Deductive

Key Points

• Deductive
• The deductive approach in research involves starting with a general theory or hypothesis and then testing it through observation or experimentation.
• In quantitative research, researchers frequently use the deductive method to validate or falsify theories by collecting numerical data.
• It is a logical process that moves from a general statement or theory to specific observations.
• In this strategy, theories are tested in a structured, objective, and systematic way to confirm their validity.

Additional Information

• Inductive Approach
• The inductive approach moves from specific observations to broader generalizations and theories.
• This approach is more commonly used in qualitative research, as it focuses on exploring and building theories based on patterns in data.
• Objectivism
• Objectivism is a philosophical stance that assumes the existence of objective realities independent of human thought or perception.
• It is not directly related to the deductive or inductive methods but rather to the ontological perspective of research.
• Constructionism
• Constructionism is a theoretical perspective that emphasizes the role of human interaction and social context in shaping knowledge and reality.
• It is more aligned with qualitative research approaches.

The correct answer is 'Cognitive Concepts'

Key Points

• Cognitive Concepts:
• Cognitive concepts are mental processes and frameworks that help individuals acquire knowledge and understanding. These include attention, memory, problem-solving, perception, and decision-making.
• When people refer to paying attention, planning, forgetting, guessing, and daydreaming, they are invoking cognitive processes that are integral to how the human mind functions.
• These processes are studied extensively in psychology and neuroscience to understand how the brain interprets, stores, and retrieves information.
• Cognitive concepts allow individuals to process information from their environment and respond accordingly, enabling effective functioning in day-to-day life.
• Examples include executive functions like planning and organizing, as well as basic processes like perception and memory recall.

Additional Information

• Propaganda:
• Propaganda refers to biased or misleading information used to promote a particular political cause or point of view.
• While propaganda involves influencing people's thoughts and beliefs, it is not directly related to the mental processes like attention or memory invoked in the question.
• It is more about persuasion and manipulation rather than the study or reference to mental processes.
• Misinformation:
• Misinformation is false or inaccurate information that is spread without the intent to deceive.
• Although misinformation can affect how people think or process information, it is not a cognitive concept itself.
• It relates to the content of information rather than the mental processes involved in handling or interpreting information.
• Disinformation:
• Disinformation is deliberately false or misleading information spread with the intent to deceive.
• Unlike cognitive concepts, disinformation is a tool used to manipulate perceptions rather than a natural mental process.
• It is associated with intentional deceit rather than the unintentional processes like guessing or forgetting mentioned in the question.

Important Points

• Cognitive psychology is the branch of psychology that deals with the study of mental processes and cognitive concepts.
• It investigates how people perceive, think, remember, and learn, focusing on the internal processes of the mind.
• Cognitive theories have practical applications in areas like education, artificial intelligence, and therapy to improve learning, memory, and problem-solving skills.
• The study of cognitive concepts also helps in understanding psychological disorders like ADHD (Attention Deficit Hyperactivity Disorder) or memory-related issues like amnesia.

The correct answer is '2017'.

Key Points

• SWAYAM:
• SWAYAM stands for Study Webs of Active Learning for Young Aspiring Minds.
• It is a digital initiative launched by the Government of India to provide free online courses and educational resources to students, teachers, and professionals.
• SWAYAM was officially launched in the year 2017 by the Ministry of Education (previously Ministry of Human Resource Development).
• The platform aims to bridge the digital divide and make high-quality education accessible to all, especially those who are underserved or lack access to physical educational institutions.
• It hosts courses from school-level education to post-graduate and professional levels, covering various disciplines such as engineering, humanities, management, and more.
• These courses are developed by premier educational institutions such as IITs, IIMs, and other Indian universities.

Important Points

• SWAYAM provides access to interactive learning content prepared by over 2000 expert faculty members across India.
• Courses on SWAYAM are offered for free, but learners have the option to obtain certifications by paying a nominal fee and passing the prescribed examinations.
• SWAYAM is an example of the Indian government’s commitment to enhancing digital education and ensuring equitable access to knowledge.
• The platform employs four quadrants for effective learning: video lectures, reading material, self-assessment tests, and discussion forums.
• SWAYAM is a cornerstone of India’s digital education strategy and has helped millions of learners improve their skills and knowledge.

The correct answer is - A-I, B-II, C-IV, D-III

Key Points

• Concept Mapping (A-I)
• It refers to graphical tools used to organize and represent knowledge.
• These tools help visualize relationships between concepts and ideas, making learning more structured and effective.
• Five E Based Lesson Planning (B-II)
• This is based on the constructivist approach, emphasizing engagement, exploration, explanation, elaboration, and evaluation.
• It facilitates active learning and encourages learners to connect new information with prior knowledge.
• Stimulus-Response Based Lesson Planning (C-IV)
• This aligns with the behaviorist approach, focusing on responses to external stimuli.
• Behavior is shaped through reinforcement and is fundamental to behaviorist theories.
• Systematic Arrangement of Subject Matter (D-III)
• It refers to unit planning, which involves organizing subject matter systematically into units for focused learning.
• Unit plans ensure coherent delivery of content, enhancing understanding and retention.

Additional Information

• Concept Mapping
• Used in subjects like science, social studies, and language learning.
• Examples include mind maps, flowcharts, and diagrams for summarizing and organizing ideas.
• Constructivist Approach
• Emphasizes learner-centered teaching, where students actively construct their understanding.
• Encourages exploration, critical thinking, and problem-solving skills.
• Behaviorist Approach
• Focuses on observable behaviors rather than internal thought processes.
• Key proponents include B.F. Skinner and Ivan Pavlov.
• Unit Planning
• Organizes content into manageable sections for effective teaching and learning.
• Includes objectives, resources, activities, and assessments for each unit.

The correct answer is 'Google'

Key Points

• Google:
• Google is not a programming language but a multinational technology company specializing in internet-related services and products. These include search engines, cloud computing, software, and hardware.
• It is widely known for its products like Google Search, Gmail, Google Drive, and Android operating systems.
• While Google has developed programming tools like Dart, frameworks like Angular, and platforms such as Firebase, the company itself is not a programming language.
• Many programming languages are used by Google internally to develop its products, but Google itself does not fall into the category of programming languages.
• Therefore, Google as an entity does not serve the purpose or functionality of a programming language, making it the correct answer.

Additional Information

• Python:
• Python is a popular high-level programming language known for its simplicity and readability.
• It is widely used for web development, data analysis, artificial intelligence, and scientific computing.
• Python supports multiple programming paradigms, including procedural, object-oriented, and functional programming.
• Its extensive libraries and frameworks, such as Django and Flask, make it a versatile tool for developers.
• C:
• C is one of the oldest and most powerful programming languages, developed in the early 1970s.
• It is widely used for system programming, operating systems, embedded systems, and developing software applications.
• Its low-level access to memory and system resources makes it highly efficient, suitable for performance-critical applications.
• C has influenced the development of numerous other programming languages, such as C++, Java, and Python.
• Java:
• Java is a high-level, object-oriented programming language designed for portability and cross-platform compatibility.
• It is widely used for developing mobile applications, enterprise software, and web applications.
• Java operates on the principle of "Write Once, Run Anywhere," meaning code written in Java can be executed on any platform that supports the Java Virtual Machine (JVM).
• Frameworks like Spring and tools like Android Studio are commonly used for Java development.

Important Points

• Programming languages like Python, C, and Java are tools used to create software programs, execute algorithms, and solve computational problems.
• They have defined syntax and semantics that allow developers to write instructions a computer can understand and execute.
• Google, on the other hand, is an organization, not a language. It provides services, products, and tools that support programming and development but does not function as a programming language itself.
• Understanding the distinction between programming languages and companies or tools is crucial in computer science and software development.

The correct answer is: 1 - A (Trash), B (Rubbish), C (Refuse), D (Garbage)

Waste materials can be categorized based on their moisture content, composition, and characteristics. The moisture content plays a key role in determining how these materials are handled, processed, and disposed of. Understanding the differences between these categories is essential for effective waste management and environmental sustainability.

Key Points

Overview of Waste Categories and Moisture Content:

• Trash (A):
• Trash refers to dry waste materials, typically composed of non-perishable items such as paper, cardboard, plastic, and metals.
• It has the lowest moisture content among the categories listed.
• Trash is often recyclable or reusable, depending on the type of material.
• Rubbish (B):
• Rubbish includes dry waste similar to trash but may also contain items that are slightly damp or non-recyclable.
• Examples include broken furniture, ceramics, or textiles.
• While rubbish may have a slightly higher moisture content than trash, it is still relatively dry compared to other waste types.
• Refuse (C):
• Refuse is a broader term that combines dry waste (trash and rubbish) with other waste materials, including semi-moist substances.
• It may include organic waste such as yard trimmings or food-soiled paper, which adds a higher moisture component.
• Refuse is commonly used in municipal waste management systems.
• Garbage (D):
• Garbage primarily refers to organic waste, such as food scraps, vegetable peels, and other biodegradable materials.
• It has the highest moisture content among the categories listed due to its organic composition.
• Garbage is highly perishable and requires specific disposal methods, such as composting or anaerobic digestion.

Additional Information

• The moisture content of waste materials affects their decomposition rate, odor, and the methods required for disposal or recycling.
• Dry waste (trash and rubbish) is easier to manage and recycle, while moist waste (refuse and garbage) requires specialized handling to prevent environmental contamination.
• Composting is an effective way to manage garbage and other organic waste, reducing landfill use and creating nutrient-rich soil additives.
• Municipal waste management systems often use segregation techniques to separate dry and wet waste for proper disposal and recycling.
• Understanding the moisture content and composition of waste is crucial for designing effective waste processing and disposal systems that minimize environmental impact.

The correct option is 'Both (A) and (R) are true and (R) is the correct explanation of (A)'.

Key Points

• Assertion A: The influence of mass media is rarely direct.
• This statement is true.
• Explanation: Media does not always directly affect individuals. Instead, its influence is often moderated by various factors such as personal beliefs, group affiliations, and social interactions. Individuals interpret media messages through their existing frameworks, which makes the effect indirect.
• Reason R: According to Limited Effects theories, media effects are almost always mediated by group membership or relationships.
• This statement is true.
• Limited Effects Theory: This theory suggests that the impact of mass media is not universal or powerful enough to affect all individuals in the same way. Instead, media effects are filtered through social structures such as family, peer groups, and other relationships.
• Mediation of Media Effects: People tend to respond to media in ways that align with their group memberships and relationships. For example, political opinions formed through discussions within a group may moderate the influence of media messages.
• Evaluation of the Relationship Between A and R:
• Both the assertion (A) and the reason (R) are accurate.
• The reason (R) directly explains why the influence of mass media is rarely direct. Since media effects are mediated through group memberships or relationships, they do not directly affect individuals but are rather filtered through social contexts.
• Therefore, the reason (R) provides a correct explanation for the assertion (A).

Additional Information

• Historical Context: Limited Effects Theory emerged during the mid-20^th century as a response to earlier beliefs about the powerful and direct influence of mass media. Studies revealed that media’s impact is often limited by various social and psychological factors.
• Two-Step Flow Model: This model, closely related to Limited Effects Theory, indicates that media messages often flow through opinion leaders who interpret and pass them on to others within their social groups, further emphasizing the mediated nature of media effects.
• Modern Implications: Understanding the mediated nature of media effects helps in designing communication strategies that consider the role of social interactions and group dynamics in influencing public opinion.

The correct answer is - National Policy on Education, 1968

Key Points

• National Policy on Education, 1968
• This was the first policy in India to recommend that public expenditure on education should constitute 6% of the GDP.
• The policy emphasized the need for education to be a priority area for national development and to allocate adequate resources for its growth.
• It laid the foundation for the idea that education expenditure should be linked to the overall economic growth of the country.

Additional Information

• Subsequent Policies
• The National Policy on Education, 1986 reaffirmed the recommendation of allocating 6% of GDP to education but did not achieve this target.
• The Revised NPE-Program of Action, 1992 also highlighted the importance of public expenditure on education but reiterated the challenges in achieving the 6% target.
• National Education Policy, 2020
• The NEP 2020 once again emphasized the need to increase public investment in education to reach the 6% of GDP target.
• This policy aimed to overhaul the Indian education system and stressed the importance of financial support for its successful implementation.

The correct answer is 'Solar'

Key Points

• Solar Energy:
• Solar energy is one of the most significant contributors to India’s renewable energy capacity. India has heavily invested in solar power due to its geographical advantage of abundant sunlight throughout the year.
• With ambitious projects like the National Solar Mission and state-level initiatives, solar power has rapidly grown and now accounts for the highest proportion of installed renewable energy capacity in the country.
• India has established large-scale solar parks like the Bhadla Solar Park in Rajasthan, contributing significantly to the country’s renewable energy output.
• Technological advancements, government subsidies, and private investments have accelerated the adoption of solar energy in India.
• The Indian government aims to achieve 280 GW of solar power by 2030 as part of its renewable energy goals under the Paris Agreement.

Additional Information

• Nuclear Energy:
• Although nuclear energy is considered a clean energy source, it is not categorized under renewable energy because it relies on finite resources like uranium.
• Nuclear power contributes to India’s overall energy capacity but is relatively small compared to solar and wind energy.
• India has nuclear plants such as Tarapur and Kudankulam, but the growth of nuclear energy has been slower due to concerns about safety, environmental impact, and high capital costs.
• Wind Energy:
• Wind energy is another major contributor to India’s renewable energy sector, with significant installations in states like Tamil Nadu, Gujarat, and Maharashtra.
• India ranks among the top wind energy producers globally, but its installed capacity is currently lower than solar energy.
• While wind energy complements solar energy, its dependency on specific geographic conditions limits its scalability compared to solar energy.
• Hydro Energy:
• Hydropower has been a traditional source of renewable energy in India, with major projects like the Bhakra Nangal Dam and Tehri Dam.
• However, the contribution of hydro energy to the total installed power capacity has stagnated due to environmental concerns, displacement issues, and the limited availability of suitable sites.
• Hydropower is still a significant contributor but does not match the scale and growth of solar energy installations.

Important Points

• India is one of the global leaders in renewable energy, with a target of achieving 500 GW of non-fossil fuel capacity by 2030.
• The government has introduced policies such as Renewable Purchase Obligations (RPOs) and incentives for solar rooftop installations to boost the adoption of renewable energy.
• In addition to large-scale projects, decentralized renewable energy initiatives like solar microgrids are being implemented to provide power to remote and rural areas.
• Solar energy’s rapid growth is attributed to its scalability, versatility, and decreasing costs of photovoltaic technology.

The correct answer is: A-IV, B-III, C-II, D-I.

Key Points

 

 

 

 

Additional Information

• Keyboard (Input Device):
• Function: The keyboard is an input device used to provide data and commands to a computer. It is a primary way for users to communicate with their systems.
• Details: A typical keyboard consists of keys for letters, numbers, and special functions (e.g., Ctrl, Alt, and function keys).
• Examples: QWERTY keyboards, multimedia keyboards, and ergonomic keyboards.
• Monitor (Output Device):
• Function: The monitor is an output device that displays visual information, such as text, images, and videos, generated by the computer.
• Details: Modern monitors use LED or LCD technology for improved clarity and energy efficiency.
• Examples: Monitors include standard desktop screens, touchscreen monitors, and high-resolution gaming monitors.
• CPU (Processor):
• Function: The CPU (Central Processing Unit) is the brain of the computer, responsible for processing data and executing instructions.
• Details: It performs arithmetic and logical operations and controls other hardware components.
• Examples: Intel Core processors, AMD Ryzen processors, and Apple’s M-series chips.
• ROM (Memory):
• Function: ROM (Read-Only Memory) is a type of non-volatile memory used to store firmware and essential data required for the computer’s startup process.
• Details: Unlike RAM, data stored in ROM remains intact even when the computer is powered off.
• Examples: BIOS chips in computers and embedded systems use ROM to store critical instructions.

The correct option is 'Both (A) and (R) are true and (R) is the correct explanation of (A)'.

Key Points

• Assertion A: Validity can never apply to any single proposition by itself.
• This statement is true.
• Definition of Validity: Validity is a property of deductive arguments where, if the premises are true, the conclusion must also be true. It is not a characteristic of individual statements but of the logical relationship between multiple statements in an argument.
• Single Propositions: Individual propositions are either true or false, but they cannot be valid or invalid since validity pertains to the structure of reasoning in an argument.
• Reason R: Validity and invalidity are attributes of arguments.
• This statement is true.
• **Applicability to

Arguments:

** Validity evaluates whether an argument is logically sound — that is, whether the conclusion logically follows from the premises. This concept is irrelevant to standalone propositions.

• Logical Structure: An argument is considered valid if the conclusion is guaranteed to be true whenever the premises are true, regardless of whether the premises are actually true or false in reality.
• Evaluation of the Relationship Between A and R:
• Both the assertion and the reason are true and logically aligned.
• The reason (R) explains why the assertion (A) is correct. Since validity is a property of arguments and not individual propositions, it logically follows that validity cannot apply to a single proposition.
• Thus, the reason (R) serves as the correct explanation for the assertion (A).

Additional Information

• Truth vs. Validity: Truth refers to whether a statement corresponds to reality, while validity concerns the logical structure of arguments and whether the conclusion necessarily follows from the premises.
• Examples of Validity: For instance, consider the

Argument:

If it rains, the ground will be wet. It is raining. Therefore, the ground is wet. This argument is valid because the conclusion logically follows from the premises. However, the individual statements themselves are not valid or invalid but simply true or false.

• Logical Reasoning: Understanding the distinction between truth and validity is fundamental in logic and philosophy, as it aids in evaluating the soundness of arguments.

The correct answer is: 2 - B, C, D, A

The question pertains to the chronological development of operating systems, which are vital components in computing systems. Operating systems (OS) are software programs that manage computer hardware and software resources while providing services for computer programs. Understanding the evolution of these systems helps us appreciate how modern computing environments have developed.

Key Points

Chronology of Operating Systems:

• MS-DOS (B) - 1981:
• Introduction: MS-DOS (Microsoft Disk Operating System) was one of the earliest operating systems for personal computers. It was developed by Microsoft for IBM-compatible PCs.
• Features: It was a command-line-based operating system where users had to type commands to perform tasks such as file management and program execution.
• Significance: It became the foundation for Microsoft’s future operating systems and was widely used throughout the 1980s and early 1990s.
• Mac OS (C) - 1984:
• Introduction: Mac OS, developed by Apple, was launched with the original Macintosh computer in 1984.
• Features: It introduced a graphical user interface (GUI), which allowed users to interact with the computer using a mouse and icons, rather than typing commands.
• Significance: It revolutionized user-friendly computing and set the standard for future GUI-based operating systems.
• Linux (A) - 1991:
• Introduction: Linux was developed by Linus Torvalds as an open-source operating system based on the Unix operating system.
• Features: It is highly customizable, supports multitasking, and is known for its stability and security.
• Significance: Linux became a popular choice for servers, supercomputers, and embedded systems, and it is also the foundation for many modern distributions like Ubuntu and Fedora.
• Windows (D) - 1985:
• Introduction: Microsoft introduced Windows as a graphical extension to MS-DOS in 1985.
• Features: The initial versions of Windows provided a GUI, multitasking capabilities, and compatibility with MS-DOS applications.
• Significance: Windows evolved to become one of the most widely used operating systems for personal and business computing, with later versions like Windows 95, XP, and 10 dominating the market.

Additional Information

• The development of operating systems has played a critical role in the evolution of computing, enabling more complex and user-friendly interactions with machines.
• MS-DOS laid the groundwork for personal computing by providing a simple yet effective interface for running programs and managing files.
• Mac OS introduced concepts like GUI and user-friendly design, which influenced the development of subsequent systems, including Windows.
• Linux, being open-source, has been instrumental in promoting community-driven development and innovation in the software industry.
• Modern operating systems, including Windows, macOS, and Linux distributions, have incorporated features like cloud integration, enhanced security, and compatibility with a wide range of devices.

Given:

A. A batsman makes a score of 87 runs in the 17^th inning and thus increases his average by 3. Then his average after 17^th inning is 36.

B. The value of a number subtracted from numerator and denominator of the fraction 6/7 to get a fraction equal to 3/4 is 3.

C. If 15% of 40 is greater than 25% of a number by 2, then the number is 16.

D. The value of (1+1/2) (1+1/3) (1+1/4) ........ (1+1/120) is 60.5.

Formula used:

1. Average after nth inning: New Average = Old Average + Increase in Average.
2. Fraction Equation: \(\dfrac{6-x}{7-x} = \dfrac{3}{4}\)
3. Percentage Equation: 15% of 40 - 25% of a number = 2.
4. Product Series: Simplify the product of fractions.

Calculations:

A: Let the previous average = x. After 16 innings, total runs = 16x. After the 17^th inning, total runs = 16x + 87.

⇒ New Average = (16x + 87) / 17 = x + 3

⇒ (16x + 87) = 17(x + 3)

⇒ 16x + 87 = 17x + 51

⇒ x = 36

New Average = x + 3 = 36 + 3 = 39 (Not 36. Hence, A is False.)

B: \(\dfrac{6-x}{7-x} = \dfrac{3}{4}\)

⇒ 4(6 - x) = 3(7 - x)

⇒ 24 - 4x = 21 - 3x

⇒ x = 3 (B is True.)

C: 15% of 40 = 6. 25% of a number = x/4.

⇒ 6 = x/4 + 2

⇒ x/4 = 4

⇒ x = 16 (C is True.)

D: (1 + 1/2)(1 + 1/3)(1 + 1/4)...(1 + 1/120)

⇒ 3/2 × 4/3 × 5/4 × ... × 121/120

⇒ Cancel terms sequentially: Final value = 121/2 = 60.5 (D is True.)

Conclusion:

Correct

Statements:

B, C, and D.

∴ The correct answer is option (1).

The correct answer is - An education system rooted in Indian Ethos, transforming Bharat into an equitable and vibrant knowledge society, developing a deep sense of respect towards the fundamental duties and constitutional values, a conscious awareness of one's roles and responsibilities in a changing world, instilling among learners a deep-rooted pride in being Indian

Key Points

• National Education Policy (NEP) 2020 aims to transform India into a vibrant knowledge society by improving the quality of education.
• The correct sequence aligns with the vision of NEP 2020, emphasizing:
• Indian Ethos: Rooting education in the rich cultural heritage of India.
• Equitable Knowledge Society: Creating an inclusive and accessible education system.
• Respect for Duties and Values: Instilling constitutional awareness and responsibilities.
• Global Awareness: Preparing learners for their roles in a dynamic world.
• Pride in Being Indian: Promoting a sense of patriotism and national identity.

Additional Information

• Key Features of NEP 2020:
• Holistic Development: Focuses on cognitive, emotional, and social growth.
• Multidisciplinary Education: Encourages flexibility in subject choices and integrated learning.
• Skill Development: Emphasizes vocational training and employability skills.
• Indian Ethos in Education: Promotes values such as respect for diversity, environmental sustainability, and harmony.
• Global Competence: Prepares students to adapt to international standards while preserving their cultural identity.

The correct answer is: 2 - D, E, C, B, A

The cognitive domain is one of the three domains outlined by Bloom’s Taxonomy, a framework created to help educators structure learning objectives. The cognitive domain focuses on intellectual capabilities and is organized into levels that progress from basic knowledge recall to higher-order thinking skills. These levels represent an increasing complexity of mental processes, ranging from simple memorization to critical evaluation.

Key Points

Educational Objectives of Cognitive Domain (Ordered from Lower to Higher Complexity):

• Knowledge (D):
• This is the foundational level and involves the ability to recall facts, concepts, and basic information.
• Examples include memorizing definitions, recognizing terms, or listing key points.
• Key verbs associated with this level: define, list, name, identify, label.
• Comprehension (E):
• At this level, learners demonstrate understanding by explaining ideas or interpreting information.
• Examples include summarizing a passage, explaining the meaning of a concept, or comparing two ideas.
• Key verbs: explain, describe, summarize, interpret.
• Analysis (C):
• Analysis involves breaking down information into components and understanding the relationships between them.
• This level is often applied when examining arguments, identifying patterns, or organizing ideas.
• Key verbs: analyze, differentiate, categorize, examine.
• Synthesis (B):
• Synthesis requires combining ideas to form a new whole, such as designing a project or creating an original solution.
• Examples include writing a research paper, developing a plan, or generating new theories.
• Key verbs: create, design, construct, organize.
• Evaluation (A):
• This is the highest level in the cognitive domain and involves making judgments based on criteria and standards.
• Examples include critiquing a theory, assessing the effectiveness of a solution, or defending a decision.
• Key verbs: evaluate, judge, critique, justify.

Additional Information

• Bloom's Taxonomy is widely used by educators to design curricula, assessments, and activities that align with specific learning objectives.
• The cognitive domain is just one part of Bloom’s Taxonomy; the other two domains are the affective domain (related to emotions and attitudes) and the psychomotor domain (related to physical skills).
• Each level in the cognitive domain builds upon the previous one, meaning that achieving higher-order objectives requires mastery of lower-order skills.
• Revised versions of Bloom’s Taxonomy include slight modifications to the original framework, such as using action verbs to make the objectives more dynamic (e.g., “remember” instead of “knowledge”).
• Understanding the hierarchy of cognitive objectives is essential for effective teaching and learning, ensuring that students develop both foundational knowledge and higher-order thinking skills.

The correct answer is - External validity

Key Points

• External validity
• Refers to the extent to which the findings of a study can be applied or generalized to other populations, settings, or times.
• It ensures that the conclusions drawn from the research are relevant beyond the specific context in which the study was conducted.
• For example, if a study is conducted on a small group of people, external validity evaluates whether the results can be generalized to a larger or different population.
• It is a critical aspect of research design, especially in fields like psychology, medicine, and social sciences.

Additional Information

• Internal validity
• Focuses on whether the study's results are due to the variables being tested and not due to other factors.
• It measures how well a study was conducted and whether it avoids confounding variables.
• Reliability
• Refers to the consistency of the results when a study is repeated under the same conditions.
• A reliable study produces similar outcomes across repeated trials.
• Replicability
• Indicates the ability of researchers to duplicate the study and obtain similar findings.
• It ensures that the study's methods are transparent and reproducible by others.

The correct answer is: A, C and D Only.

Introduction:

Indian philosophical systems differ significantly in their acceptance of pramāṇas (means of valid knowledge). The Cārvāka school adopts a materialistic and empiricist approach, while Jain philosophy develops a pluralistic and comprehensive epistemology.

Key Points

• Statement A: True
• The Cārvāka school accepts pratyakṣa (perception) as the only valid pramāṇa.
• Knowledge must be directly perceived through the senses.
• Statement B: False
• Cārvāka rejects śabda (verbal testimony) as an independent source of valid knowledge.
• They consider scriptural authority unreliable.
• Statement C: True
• Cārvāka does not accept anumāna (inference) as a valid pramāṇa.
• They argue inference is uncertain because universal relations cannot be conclusively established.
• Statement D: True
• In Jain epistemology, Mati-jñāna includes sense perception, memory, recognition, and inference.
• Thus, it covers both perceptual and inferential forms of knowledge.

Additional Information

• Cārvāka philosophy represents a radical skepticism toward metaphysical claims.
• Jain philosophy accepts multiple pramāṇas and emphasizes anekāntavāda (non-absolutism).
• The contrast highlights the diversity within classical Indian epistemological traditions.

The correct answer is - A-II, B-I, C-IV, D-III

Key Points

• NHERC (National Higher Education Regulatory Council)
• Acts as the single-point regulator for the higher education sector excluding medical and legal education.
• NAAC (National Assessment and Accreditation Council)
• Responsible for the accreditation of higher education institutions in India.
• HEGC (Higher Education Grants Council)
• Handles funding and financing of higher education to ensure equitable opportunities for development.
• GEC (General Education Council)
• Focuses on formulating a national higher education qualification framework to improve education standards.

Additional Information

• Higher Education Commission of India (HECI)
• HECI is proposed to replace the University Grants Commission (UGC) and other regulatory bodies to streamline the regulatory structure of higher education in India.
• It consists of four independent verticals, including NHERC, NAAC, HEGC, and GEC, to manage different aspects of higher education effectively.
• Purpose of HECI
• To bring greater accountability, transparency, and efficiency in higher education regulation.
• To enhance the quality of education by introducing a more outcome-oriented regulatory framework.
• Exclusion of Medical and Legal Education
• The HECI focuses only on the regulation of general higher education and does not cover medical and legal education, which are governed by separate bodies.

The correct answer is - D, C, B, A

Key Points

• Standard normal variate (Z)
• The standard normal distribution is symmetric around the mean (Z = 0), with probabilities assigned to intervals of the distribution.
• As the range of Z-values increases, the probability of occurrence decreases for values further away from the mean.
• Interval probabilities
• 0 ≤ Z ≤ +1: This range has the highest probability because it is closest to the mean.
• +1 ≤ Z: Probability decreases compared to the first interval as it includes values further from the mean.
• +2 ≤ Z: Probability is even smaller as it represents a smaller tail region of the curve.
• +3 ≤ Z: This range has the smallest probability as it represents the extreme tail of the distribution.
• Order of probabilities
• From smallest to largest, the probabilities are in the order: D (>+3 ≤ Z), C (>+2 ≤ Z), B (>+1 ≤ Z), A (0 ≤ Z ≤ +1).

Additional Information

• Properties of the standard normal distribution
• The standard normal distribution has a mean (μ) of 0 and a standard deviation (σ) of 1.
• It is a symmetric bell-shaped curve, with most data concentrated around the mean.
• Approximately 68% of data lies within 1 standard deviation (±1σ), 95% within 2 standard deviations (±2σ), and 99.7% within 3 standard deviations (±3σ).
• Probability density function (PDF)
• The PDF of the standard normal distribution is given by:

f(Z) = (1/√2π) * e^(-Z²/2)

• The PDF determines the likelihood of Z-values within specific intervals.

The correct answer is - Respondents can answer in their own terms and they are useful for exploring new areas or ones in which the researcher has limited knowledge

Key Points

• Respondents can answer in their own terms
• Open-ended questions allow respondents to provide answers that are personalized, detailed, and reflective of their own perspectives.
• These answers are not restricted by predefined options, enabling a broader range of responses.
• Useful for exploring new or less-known areas
• Open-ended questions are ideal for collecting data in areas where the researcher has limited prior knowledge.
• They facilitate the discovery of new insights and trends that may not have been anticipated.

Additional Information

• Comparability of responses
• Open-ended questions may lack the standardization required for easy comparison of answers across respondents.
• However, they provide rich, qualitative data that can be analyzed for patterns and themes.
• Ease of processing
• Responses to open-ended questions are often more time-consuming to process compared to closed-ended questions.
• Manual coding or advanced software tools may be required to analyze responses effectively.

The correct answer is: A-III, B-IV, C-I, D-II.

Key Points

 

 

 

 

Additional Information

• Montreal Protocol:
• Purpose: The Montreal Protocol was adopted in 1987 to protect the ozone layer by phasing out the production and consumption of ozone-depleting substances (ODS).
• Key Focus: It addresses chemicals like chlorofluorocarbons (CFCs), halons, and other substances that harm the ozone layer.
• Impact: The protocol is considered one of the most successful international agreements, as the ozone layer is showing signs of recovery due to global compliance.
• Stockholm Convention:
• Purpose: Adopted in 2001, it aims to eliminate or reduce the release of persistent organic pollutants (POPs) into the environment.
• Key Focus: POPs are toxic chemicals that persist in the environment, accumulate in living organisms, and pose risks to human health and ecosystems.
• Examples: Chemicals like DDT, polychlorinated biphenyls (PCBs), and dioxins are covered under this convention.
• Kyoto Protocol:
• Purpose: Adopted in 1997, it sets international targets for reducing greenhouse gas emissions to combat global warming.
• Key Focus: It binds developed countries to emission reduction targets, recognizing their historical contributions to greenhouse gas emissions.
• Impact: It has led to initiatives like carbon trading and clean development mechanisms (CDMs) to achieve emission reductions.
• Basel Convention:
• Purpose: Adopted in 1989, the Basel Convention regulates the transboundary movement of hazardous waste and its disposal.
• Key Focus: It prevents the dumping of hazardous waste in developing countries and promotes environmentally sound waste management practices.
• Significance: The convention ensures that hazardous waste is managed responsibly to minimize harm to human health and the environment.

Given:

LIST-I: A. CRAB, B. BARK, C. OVER, D. SING

LIST-II:

I. 32, II. 49, III. 24, IV. 60

Formula used:

Assign a numerical value to each letter (A=1, B=2, ..., Z=26). 

Calculation:

For CRAB:

C=3, R=18, A=1, B=2

Sum = 3 + 18 + 1 + 2 = 24

⇒ Code = 24

For BARK:

B=2, A=1, R=18, K=11

Sum = 2 + 1 + 18 + 11 = 32

⇒ Code = 32

For OVER:

O=15, V=22, E=5, R=18

Sum = 15 + 22 + 5 + 18 = 60

⇒ Code = 60

For SING:

S=19, I=9, N=14, G=7

Sum = 19 + 9 + 14 + 7 = 49

⇒ Code = 49

Matching:

A–III, B–I, C–IV, D–II

∴ The correct answer is option (3).

Given:

The incomes of A and B are in the ratio 3:2.

The expenses of A and B are in the ratio 5:3.

Each saves ₹3000.

Formula used:

Income = Savings + Expenses

Calculation:

Let the incomes of A and B be 3x and 2x, respectively.

Let the expenses of A and B be 5y and 3y, respectively.

For A: Income - Expenses = Savings

⇒ 3x - 5y = 3000

For B: Income - Expenses = Savings

⇒ 2x - 3y = 3000

Solving these equations:

From the first equation:

⇒ 3x = 3000 + 5y

From the second equation:

⇒ 2x = 3000 + 3y

Multiply the first equation by 2 and the second equation by 3 to eliminate x:

⇒ 6x = 6000 + 10y

⇒ 6x = 9000 + 9y

Subtract the second equation from the first:

⇒ (6000 + 10y) - (9000 + 9y) = 0

⇒ 10y - 9y = 9000 - 6000

⇒ y = 3000

Substitute y = 3000 into the first equation:

⇒ 3x = 3000 + 5(3000)

⇒ 3x = 3000 + 15000

⇒ 3x = 18000

⇒ x = 6000

A's income = 3x = 3 × 6000 = ₹18000

∴ The correct answer is option (4).

The correct answer is Option 2: It works as an alternate view of the history of law in India.

 

Key Points

• The passage states that Kautilya’s Arthasāstra provides a different and unique lens into the history of law in India.
• His work belongs to a distinct scholarly tradition with priorities different from the science of dharma (dharmasāstra).
• Kautilya argues for the plurality of law, emphasizing that law is multiple rather than a single unified concept.
• Thus, his treatise represents an alternate intellectual history parallel to the dharma tradition.

Therefore, the correct answer is Option 2.

 

Additional Information

• Option 1: The passage does not claim it offers a complete view, but rather a different perspective.
• Option 3: It is explicitly stated that Kautilya’s work differs from the science of dharma.
• Option 4: The text emphasizes contrast and parallel development, not conformity with contemporary dharma ideas.

The correct answer is Option 4: all-embracing.

 

Key Points

• The word "comprehensive" refers to something that covers a subject completely or broadly.
• In the passage, it describes a term that would include all aspects of law under one category.
• "All-embracing" means including everything; wide in scope.
• Thus, "all-embracing" is the closest synonym in the given context.

Therefore, the correct answer is Option 4.

 

Additional Information

• Option 1: alternative – Means another option, not covering everything.
• Option 2: intriguing – Means interesting or fascinating, not related to scope.
• Option 3: amazing – Means surprising or impressive, not comprehensive in scope.

The correct answer is Option 3: There was nothing unavoidable or globally acceptable about the use of the word 'dharma' for 'law', anyway.

 

Key Points

• The first line states that the use of the term ‘dharma’ for law was neither universal nor inevitable.
• Universal implies globally or widely accepted.
• Inevitable means unavoidable or bound to happen.
• Option 3 correctly captures both ideas: it was neither globally acceptable nor unavoidable.

Therefore, the correct answer is Option 3.

 

Additional Information

• Option 1: Incorrectly reverses the relationship by referring to the use of ‘law’ for ‘dharma’.
• Option 2: Replaces “universal” with “meaningful,” which changes the original meaning.
• Option 4: Uses “permanent,” which does not reflect the meaning of “universal.”

The correct answer is Option 1: Plurality.

 

Key Points

• The passage clearly states that Kautilya argues for the plurality of law.
• He does not reduce different kinds of laws into a single category of dharma.
• This shows that he viewed law as multiple rather than one unified concept.
• Thus, his refusal to simplify law into one category supports the idea of plurality.

Therefore, the correct answer is Option 1.

 

Additional Information

• Option 2: Jurisprudence – Refers to the theory or philosophy of law, not specifically the idea of multiplicity.
• Option 3: Scientific View – The passage does not describe his argument as scientific.
• Option 4: Scholastic base – Refers to academic tradition, not to the concept of multiple laws.

The correct answer is Option 3: Dharmasāstra

 

Key Points

• The passage states that the science of dharma (dharmasāstra) is the primary discipline devoted to jurisprudential reflection.
• It is situated within the Brahmanical scholastic tradition.
• Dharmasāstra focuses on religious and secular norms under the concept of dharma.
• Therefore, it is the discipline mainly concerned with legal and jurisprudential thought.

Therefore, the correct answer is Option 3.

 

Additional Information

• Option 1: Arthasastra – Refers to Kautilya’s Treatise on Politics, which represents a distinct scholarly tradition.
• Option 2: Nitisastra – Not mentioned in the passage in relation to jurisprudential reflection.
• Option 4: Treatise on Politics – Another name for Arthasastra, which differs from dharmasāstra in focus.