UGC NET Paper 1: Held on 19th Dec 2023 Shift 2 (Previous Year Paper)

Calculation:

Male employees in college A = 3040 × 13/19 = 2080

Male employees in college C = 2920 × 9/20 = 1314

Female employees in college B = 3360 × 3/7 = 1440 

Female employees in college D = 2760 × 13/23 = 1560 

Difference = (2080 + 1314) - (1440 + 1560)

⇒ 3394 - 3000 = 394

Required percentage = 394/3000 × 100

⇒ 13.13 ≈ 13%

Hence, the correct answer is 13%.

Given:

Total employees in college D = 2760

Total employees in college E = 2840

Calculation:

Female employees in college D = 2760 × 13/23 = 1560

Female employees in college E = 2840 × 7/20 = 994

Required ratio = 1560 : 994 

⇒ 780 : 497

Hence, the correct answer is 780 : 497.

Given:

Total employees in college C = 2920

Total employees in college D = 2760

Calculation:

Difference = 2920 - 2760 = 160

Required percentage = 160/2760 × 100

⇒ 5.79 ≈ 6%

Hence, the correct answer is 6%.

Calculation:

Male employees in college A = 3040 × 13/19 = 2080

Male employees in college B = 3360 × 4/7 = 1920

Male employees in college C = 2920 × 9/20 = 1314

Male employees in college D = 2760 × 10/23 = 1200

Male employees in college E = 2840 × 13/20 = 1846

Total male employees = (2080 + 1920 + 1314 + 1200 + 1846)

⇒ 8360

∴ The correct answer is 8360.

Calculation:

Female employees in college A = 3040 × 6/19 = 960

Female employees in college B = 3360 × 3/7 = 1440

Female employees in college C = 2920 × 11/20 = 1606

Female employees in college D = 2760 × 13/23 = 1560

Female employees in college E = 2840 × 7/20 = 994

Total Female employees = (960 + 1440 + 1606 + 1560 + 994)

⇒ 6560

Required average = 6560/5 = 1312

∴ The correct answer is 1312.

The Correct Answer is - Canva

Key Points

• Canva is a graphic design platform that allows users to create a variety of visual content including infographics.
• It's user-friendly and has a plethora of templates specifically designed for educational purposes like explaining concepts of supply and demand.
• Its drag-and-drop feature and extensive library of graphics make it an ideal tool for creating engaging and informative visuals for teaching economic principles.

Additional InformationEdpuzzle:

• Primarily a tool for creating interactive video lessons.
• Teachers can take any video, add their own voiceover or questions, and track student engagement.
• While useful for incorporating videos into lessons, it's not designed for creating infographics.

Quizlet:

• A tool focused on creating flashcards and quizzes to aid in memorization and test preparation.
• Although it's excellent for reinforcing concepts and vocabulary.

Mindmeister:

• This is a mind mapping tool that helps in organizing thoughts, brainstorming, and planning projects.
• While it can be useful for outlining the concepts of supply and demand, it doesn't specialize in the creation of infographics or visual representations of these economic principles.

The correct answer is - Both Statement I and Statement II are correct.

Key Points

Statement I

• Norm referencing, as stated, involves comparing an individual's score with the scores of others in a group.
• This method is commonly used in educational settings and standardized testing to determine where an individual stands relative to peers.
• For example, if a student scores in the 90^th percentile on a standardized test, it means the student scored better than 90% of the peers who took the same test.
• Hence, Statement I is correct.

Statement II 

• Criterion referencing involves evaluating an individual's performance against a predefined set of criteria or a specific behavioral domain, rather than comparing scores among a group of individuals.
• This approach is used to determine whether an individual has achieved a certain level of competency or mastery in a particular area.
• It does not compare one person's performance to another but rather to a fixed set of standards or objectives.
• Hence, Statement II is correct.

Therefore, the correct answer is option 1, which states that both Statement I and Statement II are correct.

The correct answer is - (A), (B), (D) and (E) Only

Key Points

• Observational learning, also known as social learning or modeling, is a type of learning that occurs as a function of observing, retaining, and replicating novel behavior executed by others.
• It has been extensively studied in various fields, such as psychology, education, and behavioral science.
• The process involves several key elements that facilitate the learning experience:

Attention:

• For observational learning to occur, the individual must pay attention to the behavior being modeled.
• Without focusing on the observed behavior, it would be impossible to learn or replicate it.
• Hence, Attention is correct.

Retention:

• After observing a behavior, the individual needs to remember what they have seen to reproduce the behavior later.
• This involves cognitive processes where the observed behavior is encoded and stored in memory.
• Retention is also correct.

Reproduction (Production):

• This involves the ability of the learner to reproduce the observed behavior.
• After paying attention to the model and retaining the observed behaviors, the individual must be physically and mentally capable of reproducing the action.
• Reproduction (Production) is correct.

Motivation:

• For the observed behavior to be imitated, the individual must have a reason or motivation to do so.
• This can be influenced by expected outcomes, such as rewards or avoiding punishment, and internal factors like goals or self-efficacy.
• Motivation is correct.
• Identification is not explicitly listed as one of the core elements of observational learning by Albert Bandura, who developed the social learning theory.

Hence, the correct answer is option 3.

The Correct Answer is - Aural.

Key Points

• In the VARK model of learning styles, 'A' stands for Aural.
• This refers to a learning preference for hearing information.
• People who have a strong aural preference for learning tend to benefit more from listening to lectures, group discussions, and other auditory methods of instruction.

Additional InformationThe VARK Model:

• The VARK model is a framework for understanding different learning preferences.
• It categorizes learners into four main types based on their preferred mode of learning:
• Visual (V): Prefers using images, maps, and graphic organizers to access and understand new information.
• Aural (A): Prefers listening to spoken information, audio recordings, and participating in discussions.
• Read/Write (R): Prefers interacting with written text, whether it's reading or writing as a mode of learning.
• Kinesthetic (K): Prefers using the body, hands, and sense of touch to learn, often through physical activity, hands-on tasks, and experiments.

Understanding one's VARK preference can aid in adopting more effective study strategies tailored to one's preferred learning style.

The correct answer is - Reflex Actions

Key Points Reflex Actions 

• The immediate closure of eyelids upon exposure to very bright light is an example of a reflex action.
• Reflex actions are involuntary, quick responses to specific stimuli that are designed to protect the body from harm.
• They occur without conscious thought and are mediated by the spinal cord and peripheral nerves.
• This mechanism helps protect the eyes from potential damage caused by intense light exposure.

Additional InformationBiological Instincts:

• Biological instincts refer to innate behaviors that are hardwired into an organism's biology, aimed at survival and reproduction.
• Closing the eyelids in response to bright light is more of an immediate reflex than a complex behavior pattern aimed at survival or reproduction over time.

Desired Instincts:

• This term is not widely recognized in scientific or psychological contexts.
• Instincts are typically involuntary and not subject to personal desires or preferences.

Intrapersonal Instincts:

• Intrapersonal instincts would involve internal cognitive and emotional processes, focusing on self-awareness and inner thought.
• The rapid shutting of eyelids in response to bright light is not an intrapersonal process but a physical reflex action.

The correct answer is - (B) and (C) Only.

Key Points

Statement A: The questions do not suggest certain kinds of answer to respondents.

• In fact, not suggesting certain kinds of answers is often seen as a strength of open-ended questions because it allows respondents to express their thoughts, feelings, and opinions without being constrained by predefined answer choices.
• Hence, Statement A is incorrect.

Statement B: They are time-consuming for interviewers to administer.

• Open-ended questions can be more time-consuming to administer compared to closed-ended questions because they often require more time for respondents to answer and more time for interviewers to record these answers.
• Additionally, analyzing the responses to open-ended questions can also be more time-consuming since the answers need to be categorized and interpreted, rather than simply counted.
• Hence, Statement B is correct.

Statement C: They require greater effort from respondents.

• Open-ended questions demand a higher cognitive effort from respondents because they have to formulate their own answers instead of selecting from a set of predefined options.
• This can be more challenging and time-consuming for respondents, especially if the question is complex or requires detailed answers.
• Hence, Statement C is correct.

Hence, Statements B and C are correct, making option 2 the accurate choice.

The correct answer is- It generates more research.

Key Points

• A research study is said to have heuristic value if it generates more research.
• This means the findings or the approach of the study stimulate further investigation, questions, or exploration in the area of study.
• The goal of heuristic research is not just to answer questions but to prompt new ones, expanding the field of knowledge.

The correct answer is - Discrete Variable.

Key Points

• Discrete variables are those that can take on a finite or countably infinite set of values, often represented by integers.
• In the context of an entrance examination where marks are awarded or deducted based on correct and incorrect answers, the scores would be considered a discrete variable.
• This is because the total score a candidate can achieve is calculated by a finite number of questions, leading to a countable set of possible scores (even when accounting for deductions).

Additional InformationNominal Variable:

• Nominal variables are categories without any quantitative value or order.
• Examples include gender, nationality, or color.
• The marks scored in an examination do not fit this description as they represent quantifiable data rather than mere categories.

Ordinal Variable:

• Ordinal variables represent categories with a natural order but do not precisely quantify the difference between categories.
• An example would be ranking levels such as high, medium, and low.
• While examination scores can be ranked, the variable in question directly quantifies performance with a numerical value, making it more than just an ordered category.

Continuous Variable:

• Continuous variables can take on any value within a range, including fractions and decimals, theoretically to infinite decimal places.
• Examination scores, as described, do not fit this criterion because they change in discrete jumps (1 point for a correct answer or a deduction of 0.25 for an incorrect one), rather than continuously.

Solution:

Key PointsThe correct order for an APA style reference entry for a journal article is:

1. Name of the author (C)
2. Title of the article (D)
3. Volume number (B)
4. DOI number (A)

​

• Name of author: In APA style, the reference list is organized alphabetically by the last names of the authors.
• Therefore, the name of the author is the first piece of information in a reference entry.
• Title of the article: The title of the article follows the author's name(s) in APA reference entries. It comes after the author's name and before the journal title, volume number, and DOI. This statement is correct but not as the first element.
• Volume number: The volume number is an important element for journal articles and is included after the title of the journal in APA reference entries.
• DOI number: In APA style, the DOI (Digital Object Identifier) number is indeed a crucial piece of information for electronic sources.
• It typically comes at the end of the reference entry.

Hence, the correct answer is option 4.

The correct answer is - Both Statement I and Statement II are correct.

Key PointsStatement I: Medical research usually involves pain or distress in animals.

• This statement is considered correct because a significant portion of medical research, especially that involving new drugs, treatments, and surgical techniques, often requires testing on animals before they can be safely applied to humans.
• These tests can involve procedures that cause pain, distress, or discomfort to the animals involved, despite regulations and efforts to minimize suffering.

Statement II: Psychological research is usually benign and may involve little, if any, discomfort for the animals.

• This statement is also considered correct.
• Psychological research on animals, which often focuses on behavior, learning, memory, and cognition, can frequently be conducted with minimal or no discomfort to the animals.
• Such studies might involve observing animals in naturalistic settings or conducting experiments that do not cause harm or distress.

Hence, the correct answer is option 1.

The correct answer is - Open text.

Key Points

• A photograph is considered an "Open text" because it allows for multiple interpretations and meanings.
• Unlike a written document, a photograph can evoke different thoughts, emotions, and interpretations based on the viewer's personal experiences, culture, and knowledge.
• This openness makes photographs a rich medium for communication and art, as they transcend language barriers and can be understood and appreciated in diverse ways.

The correct answer is - Multi-causality.

Key Points

• In Buddhism, communication and the arising of phenomena are understood through the principle of Pratityasamutpada (dependent origination), which posits that all things arise due to a multitude of causes and conditions.
• This perspective emphasizes the complexity and interconnectedness of factors leading to any single event or outcome, including communication.
• Thus, "Multi-causality" accurately reflects the Buddhist view that multiple causes and conditions contribute to the emergence of phenomena.

Additional Information

• Mono-causality suggests a single cause leading to an effect, which is contrary to the Buddhist understanding that events are the result of multiple, interconnected causes.
• Dyadic causality implies a cause-and-effect relationship between two factors only, which oversimplifies the Buddhist concept that sees phenomena as arising from an intricate web of interdependent causes and conditions.
• Skewed causality suggests an imbalanced or biased causal relationship, which does not align with the Buddhist principle of dependent origination that emphasizes a more comprehensive and interconnected approach to causality.

The correct answer is - Palpable reality.

Key Points

• Cyber communication refers to the exchange of information through electronic means, primarily over the internet.
• This encompasses a wide range of technologies including email, social media, instant messaging, websites, and more.
• It plays a crucial role in modern society, influencing various aspects of daily life, business, education, and government.
• Given its pervasive and tangible influence, cyber communication is best described as a "palpable reality."

Additional Information

• Fictitious Reality: This suggests that cyber communication is not real or does not have a tangible impact, which contradicts the extensive use and significant influence of digital communication platforms in today's world.
• Futuristic Reality: While cyber communication is continually evolving and new technologies are emerging, it is not solely a future phenomenon.
• It is very much a part of the current global communication landscape, making it inaccurate to classify it as purely futuristic.
• Conventional Reality: This term might imply that cyber communication is traditional or has been the norm for a significant period.
• While digital communication has become increasingly common, the term "conventional" might not fully capture the dynamic and evolving nature of cyber communication.

The correct answer is - (A), (B) and (C) Only

Key PointsIdea generation:

• Public policy communication aims to foster an environment where citizens can contribute ideas.
• Engaging the public in generating ideas ensures that diverse perspectives are considered, leading to more comprehensive and effective policies.
• Hence, Idea generation is correct.

Policy critique:

• Another objective of public policy communication is to invite critique and feedback from the public.
• This process allows for the identification of potential issues and areas for improvement in policy proposals, ensuring that policies are scrutinized and refined before implementation.
• Hence, Policy critique is correct.

Innovative policy practices: 

• Encouraging innovative policy practices through public engagement is crucial.
• By involving citizens, policymakers can discover new and creative solutions to societal challenges, fostering innovation in public policy development.
• Hence, Innovative policy practices is correct.

1. B is the brother-in-law of C's mother.

Hence, B is a male.

2. C is the father of F.

Hence, C is a male.

3. D is the father of A and F is the grandson of D.

Hence, D and F are male.

So, the remaining two members (A and E) are female.

∴ The correct answer is A and E.

The correct answer is - Both Statement I and Statement Il are true.

Key PointsStatement I 

• Western communication models, such as the Linear Model by Shannon and Weaver, indeed focus on examining the relationship among communicative elements like sender, message, medium, receiver, etc., often on an individual basis.
• These models attempt to dissect the process of communication to understand how each component contributes to the overall process.
• Hence, Statement I is correct.

Statement II :

• The Buddhist concept of communication places a significant emphasis on the context and interconnectedness of all elements involved in the communication process.
• It goes beyond the linear and transactional views of communication to include aspects of mindfulness, empathy, and the environment in which communication occurs, stressing the importance of understanding and contextualizing each communicative element within its broader context.
• Hence, Statement II is also correct.

Given the analyses above, it is clear that both Statement I and Statement II are true, as they accurately describe the characteristics of Western communication models and the Buddhist concept of communication, respectively.

Calculation:

Man's one day work = 1/6

Woman's one day work = 1/9

Boy's one day work = 1/18

According to the question,

⇒ (1/6) + (1/9) + x(1/18) = 1 

where x is the number of boys needed.

Solve the equation for x.

We take the LCM as 18.

⇒ (3/18) + (2/18) + x(1/18) = 1

⇒ 5 + x = 18

⇒ x = 13

∴ The correct answer is 13.

Given series:

1.5, 5, 10.5, 18, 27.5, 39, ?

The logic followed here is,

Hence, the correct answer is 52.5.

The diagram shows the direction of the child

Shortest distance between the starting point and the point where the child found his father.

⇒ [(60)² + (30)²]^1/2

⇒ [3600 + 900]^1/2

⇒ (4500)^1/2

⇒ 30√5

Hence, the correct answer is 30√5 metres.

The logic followed here is,

(a) 1000 i.e. 10³ → (succeeding number's cube) → 11³  = 1331

(b) 125 i.e. 5³ → (succeeding number's cube) → 6³ = 216

Similarly,

729 i.e. 9³ → (succeeding number's cube) → 10³ = 1000

Hence, the correct answer is 1000.

The correct answer is - (A), (B) and (C) Only.

Key PointsSpell Checker and Thesaurus :

• Word processing software like MS Word includes tools for checking spelling and suggesting synonyms through a thesaurus.
• These features help in enhancing the quality of the text by identifying and correcting errors and improving word choice.

Page Orientation :

• Page orientation, which allows users to set the page layout as portrait or landscape, is a standard feature in word processing software.
• This feature is crucial for formatting documents according to the specific requirements of the content or printing specifications.

Mail Merge:

• Mail merge is a powerful feature in word processing software that allows users to create a batch of documents that are personalized for each recipient.
• It is commonly used for generating personalized letters, labels, and emails, making it an invaluable tool for mass communication.

Slide Transitions:

• Slide transitions are a feature associated with presentation software, such as Microsoft PowerPoint, rather than word processing software like MS Word.
• While word processors may have some capabilities for creating simple presentations, the specific functionality of slide transitions is not among them.

Therefore, the correct answer is option 4: (A), (B) and (C) Only.

Tuberculosis is not caused by polluted water.

Key PointsTuberculosis 

• It is a bacterial infection caused by Mycobacterium tuberculosis that primarily affects the lungs but can also affect other parts of the body.
• Transmission occurs through the air when people who have an active TB infection cough, spit, speak, or sneeze.

Cholera:

• It is caused by ingesting contaminated food or water with the bacterium Vibrio cholerae.
• It is directly associated with inadequate environmental management and poor sanitation, making it a common consequence of water pollution.

Dysentery,

• Particularly bacillary dysentery, is often spread through contaminated food or water.
• It is caused by bacteria such as Shigella species, which are transmitted through the fecal-oral route, highlighting the role of polluted water in its transmission.

Typhoid fever:

• It is caused by Salmonella Typhi bacteria, which is spread through contaminated food and water or close contact.
• Like cholera and dysentery, it is a disease significantly associated with water pollution and poor sanitation practices.

The correct answer is - Statement I is correct but Statement II is incorrect .

Key PointsStatement I: Toxic chemicals often injure human organs and organ systems.

• Toxic chemicals, also known as toxicants, can indeed cause injury or damage to human organs and organ systems.
• Different toxicants can affect different parts of the body, such as the liver, kidneys, nervous system, and respiratory system, among others.
• Hence, Statement I is correct.

Statement II: Toxicants that damage kidneys are called Hepatotoxic.

• The term "Hepatotoxic" refers to substances that cause damage to the liver, not the kidneys.
• The correct term for substances that damage the kidneys is "Nephrotoxic."
• Hence, This statement is incorrect.

The correct answer is - Calcutta University

Key Points

• Michael Sadler Commission
• Formally known as the Calcutta University Commission.
• Established in 1917 to investigate the problems and conditions of Calcutta University.
• Chaired by Michael Ernest Sadler, an eminent British historian and educationalist.

Additional Information

• Objectives
• To evaluate and suggest reforms for higher education in India.
• Focused on the curriculum, administration, and structure of Calcutta University.
• Recommendations
• Proposed a restructured undergraduate and postgraduate curriculum.
• Emphasized the need for professional and vocational courses.
• Recommended greater autonomy for universities and the establishment of a board of secondary and intermediate education.
• Impact
• Played a significant role in shaping the modern system of higher education in India.
• Led to the establishment of other commissions and reforms in Indian education.

The correct answer is - Open universities

Key Points

• Open universities
• The National Education Policy, 1986 recommended the establishment of open universities in India.
• Open universities provide flexible and accessible higher education opportunities to a larger population.
• They focus on distance learning and online education, making education more inclusive and reaching out to students who are unable to attend conventional universities.

Additional Information

• History of Open Universities
• The concept of open universities was pioneered by the United Kingdom with the establishment of the Open University in 1969.
• India's first open university, the Indira Gandhi National Open University (IGNOU), was established in 1985.
• Advantages of Open Universities
• They offer flexible study schedules that allow students to learn at their own pace.
• These institutions provide affordable education options, making higher education accessible to a broader demographic.
• Open universities use innovative teaching methods including online courses, televised lectures, and interactive learning modules.
• Impact on Education
• Open universities play a crucial role in lifelong learning and continuous professional development.
• They help bridge the gap in education for non-traditional students, such as working professionals, homemakers, and others who cannot attend regular classes.

The correct answer is - Statement I is true but Statement II is false

Key Points

• Curzon's university reforms
• Lord Curzon, the Viceroy of India, aimed to regulate and improve the standards of higher education in India.
• His reforms were intended to ensure the quality of education and administration in universities.
• These reforms reflected the official British attitude towards controlling and structuring higher education.
• Resistance to the Indian Universities Bill
• There was significant resistance to the Indian Universities Bill from various sections of Indian society.
• Indian nationalists and educationists opposed Curzon's measures, viewing them as restrictive and controlling.
• The resistance highlighted the growing discontent against British educational policies and their impact on Indian autonomy.

Additional Information

• Indian Universities Act of 1904
• The Act was introduced by Curzon to overhaul the university system in India.
• It aimed to centralize control and improve the quality of higher education.
• Key features included stricter regulation of university administration and standards for affiliation.
• Impact on Indian National Movement
• The resistance to the Indian Universities Act played a role in the broader nationalist movement.
• Educational reforms were seen as part of the colonial strategy to control and suppress Indian aspirations.
• Leaders like Bal Gangadhar Tilak and others voiced strong opposition, contributing to the growth of the Swadeshi movement.

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

Key Points

• Bombay University
• Also known as the University of Mumbai, it was established in 1857.
• One of the oldest universities in India, it played a significant role in the country's education system.
• Delhi University
• Established in 1922, it is one of the premier universities in India.
• Offers a wide range of undergraduate and postgraduate programs.
• Utkal University
• Founded in 1943, it is the oldest university in the state of Odisha.
• It has made significant contributions to higher education in the region.
• S.N.D.T. Women University
• Shreemati Nathibai Damodar Thackersey (S.N.D.T.) Women's University was established in 1916.
• It is the first women's university in India and South-East Asia.

Additional Information

• University of Mumbai
• Originally known as the University of Bombay, it was renamed the University of Mumbai in 1996.
• It is one of the largest universities in the world in terms of the number of students.
• Delhi University
• It has 16 faculties, 86 academic departments, and 77 colleges spread across Delhi.
• Known for its high academic standards and diverse programs.
• Utkal University
• Located in Bhubaneswar, it has 27 postgraduate departments.
• It offers various specialized courses and has a strong emphasis on research.
• S.N.D.T. Women's University
• Headquartered in Mumbai, it has several campuses across Maharashtra.
• It was founded by Dhondo Keshav Karve, a social reformer who championed women's education.

The correct answer is - Some trucks are not polluting vehicles.

Key Points

• The given statement "All trucks are polluting vehicles" is declared false.
• This directly implies that not all trucks fit into the category of polluting vehicles.
• Therefore, there must exist at least one or more trucks that do not pollute, making the statement "Some trucks are not polluting vehicles" true.

The correct answer is - Each other.

Key Points

• Intranets are private networks accessible only to the organization's staff.
• They facilitate internal communication, collaboration, and information sharing among employees, enhancing productivity and efficiency.
• Intranets serve as a centralized portal where employees can access company resources, documents, policies, and updates.
• Customers typically do not have access to a company's intranet.
• Sharing business information with competitors goes against the very purpose of an intranet.
• Former employees are generally not granted access to the company's intranet after their departure.

The correct answer is- (A), (B) and (C).

Key PointsCommon Objective: We want to count the number of rows in the dataset that meet two criteria:

1. The state must be "UP";

2. The product quality must be "A".

A. =COUNTIFS(B2:B6, "=UP", C2:C6,"=A")

Steps:

• Criteria Range 1: B2:B6 (State column)
• Criteria 1: "=UP" - Looking for a match where the state is exactly UP.
• Criteria Range 2: C2:C6 (Quality column)
• Criteria 2: "=A" - Looking for a match where the product quality is exactly A.
• Operation: The COUNTIFS function counts the number of rows that simultaneously meet both criteria.Copy
• Result: The number of product codes from UP with a Grade "A" quality.

B. =COUNTIFS(C2:C6, "=A", B2:B6,"=UP")

Steps:

• Criteria Range 1: C2:C6 (Quality column)
• Criteria 1: "=A" - Looking for a match where the product quality is exactly A.
• Criteria Range 2: B2:B6 (State column)
• Criteria 2: "=UP" - Looking for a match where the state is exactly UP.
• Operation: Identical to option A, but the criteria are listed in reverse order. The function's counting mechanism remains the same.
• Result: The same as option A, given that the COUNTIFS function's outcome does not depend on the order of criteria.

C. =COUNTIFS(B2:B6, "UP", C2:C6, "A")

Steps:

• Criteria Range 1: B2:B6 (State column)
• Criteria 1: "UP" - The function looks for rows where the state is UP. The lack of an equals sign is accepted as an indication of equality.
• Criteria Range 2: C2:C6 (Quality column)
• Criteria 2: "A" - The function looks for rows where the quality is A, similar to the interpretation in criteria 1.
• Operation: Functionally identical to options A and B. Despite the omission of the equals sign, Excel interprets the criteria correctly, looking for exact matches.
• Result: As with options A and B, the function returns the count of UP products with a Grade "A" quality.

Conclusion: All three formulas correctly utilize the COUNTIFS function, demonstrating its flexibility in handling criteria notation and order, to achieve the intended count based on specific criteria.

The correct answer is - (A) and (B) Only.

Key PointsStatement A: AI systems can be used in email spam filters.

• AI technologies are widely used in email spam filters.
• These systems learn from a variety of signals, such as the words in the email's body or subject line, the sender's email address, and the frequency of emails sent, to identify and filter out spam emails effectively.
• Machine learning, a subset of AI, is particularly useful in adapting to new spamming techniques.
• Hence, Statement A is correct.

Statement B: AI systems are capable of analyzing uncertain information.

• AI and, more specifically, certain branches of AI like probabilistic reasoning and machine learning, are indeed capable of analyzing and making decisions based on uncertain, incomplete, or ambiguous information.
• These capabilities are crucial in various applications, such as medical diagnosis, financial market analysis, and autonomous vehicles, where the systems must make the best possible decision with the information available.
• Hence, Statement B is correct.

Statement C: An AI system is a system for capturing, storing, processing, and displaying data related to positions on Earth's surface.

• This statement describes Geographic Information Systems (GIS), not AI systems. GIS is a technology that is used for mapping and analyzing data related to positions on Earth's surface.
• While AI can be integrated with GIS for enhanced analysis and predictions (e.g., in analyzing satellite images or predicting geographic trends), the fundamental purpose of AI is much broader and not limited to geographic data.
• Hence, Statement C is incorrect.

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

Key Points

• Panini
• Panini is known for his work on grammar, specifically Sanskrit grammar.
• Jivaka
• Jivaka was an ancient healer and is associated with the field of medicine.
• Bhaskara
• Bhaskara was a renowned mathematician and astronomer, known for his contributions to astronomy.
• Kanada
• Kanada is credited with pioneering work in the field of physics, particularly atomic theory.

Additional Information

• Panini's Contributions
• Panini's most famous work is the Ashtadhyayi, a foundational text on Sanskrit grammar.
• His work laid the groundwork for linguistic analysis and formal grammar.
• Jivaka's Legacy
• Jivaka is often referred to in ancient texts as a physician who treated the Buddha.
• He is associated with early developments in Ayurvedic medicine.
• Bhaskara's Achievements
• Bhaskara, also known as Bhaskara II or Bhaskaracharya, wrote important works such as Siddhanta Shiromani and Karana Kautuhala.
• He made significant contributions to mathematics and astronomy, including solutions to quadratic equations and explanations of planetary motions.
• Kanada's Theories
• Kanada founded the Vaisheshika school of Indian philosophy, which focuses on the nature of reality and atomism.
• He proposed that all matter is composed of indivisible particles called anu (atoms).

The correct answer is - Some non-idealists are not non-philosophers. 

Key Points

• The statement "Some philosophers are not idealists." implies that there is a subset of philosophers who do not subscribe to idealism.
• This statement is about the existence of a group within philosophers that differs in belief or characteristic from idealists.
• The correct option is the one that accurately translates the original statement's meaning using logical equivalences and double negatives, without altering the intended implication about the relationship between philosophers and idealists.
• Options that either contradict, overly simplify, or shift the focus of the original statement are incorrect.

 Therefore, the correct answer is - Some non-idealists are not non-philosophers.

The correct answer is - Statement I is false but Statement Il is true.

Key PointsStatement I: Disk defragmentation makes files that are contiguous in a disk as fragmented.

• Disk defragmentation is a process that reduces the amount of fragmentation in file systems.
• It physically organizes the contents of the disk to store the pieces of each file close together and contiguously.
• It aims to create larger regions of free space using compaction, to impede the return of fragmentation.
• So, rather than making files fragmented, disk defragmentation does the opposite by making files more contiguous.
• Hence, Statement I is incorrect.

Statement II: A device controller that controls a device will deal with the operating system through a device driver.

• In computer systems, a device controller is a hardware component that interfaces with a peripheral device.
• However, for the operating system to communicate with the device controller (and therefore the device), it uses a piece of software called a device driver.
• The device driver provides a standardized interface through which the operating system can issue commands to the device, abstracting away the hardware-specific details.
• Hence, Statement II is correct.

The correct answer is - (A), (C) and (D) Only.

Key PointsStatement A: Increase in the ultraviolet radiation

• The depletion of stratospheric ozone allows more ultraviolet (UV) radiation to reach the Earth's surface.
• Ozone acts as a shield in the stratosphere, absorbing a significant portion of the sun's ultraviolet radiation.
• When there is less ozone in the stratosphere, less UV radiation is absorbed, and more reaches the Earth's surface, leading to an increase in ultraviolet radiation exposure.
• Hence, statement A is correct.

Statement B: Increase in infra-red radiation

• The depletion of stratospheric ozone primarily affects the amount of ultraviolet radiation that reaches the Earth's surface, not infra-red radiation.
• Infra-red radiation is primarily related to heat and is more directly influenced by greenhouse gases than by stratospheric ozone levels.
• Hence, statement B is incorrect.

Statement C: Increase in skin cancer

• An increase in ultraviolet radiation exposure due to the depletion of stratospheric ozone is directly linked to an increase in the incidence of skin cancers.
• UV radiation can damage the DNA in skin cells, leading to mutations that can cause skin cancer.
• Hence, statement C is correct.

Statement D: Significant impact on terrestrial flora and fauna

• Increased levels of ultraviolet radiation can have a wide range of harmful effects on terrestrial (land-based) flora and fauna.
• For plants, it can lead to reduced growth, lower yields in crops, and damage to foliage. For animals, increased UV exposure can lead to eye damage, skin damage, and other health issues.
• Hence, statement D is correct.

Statement E: Decrease in cataract cases

• Contrary to decreasing, the depletion of stratospheric ozone and the resultant increase in ultraviolet radiation exposure are associated with an increase in cataract cases.
• UV radiation can damage the proteins in the lens of the eye, leading to cataracts.
• Hence, statement E is incorrect.

The correct answer is - (B) and (D) Only.

Key PointsStatement A: All plants are fungi.

• This statement asserts a complete identity between plants and fungi, indicating that every single plant is a fungus.
• This is a universal affirmative statement.

Statement B: No plants are fungi.

• This statement asserts a complete distinction between plants and fungi, indicating that no plant is a fungus.
• This is a universal negative statement.

Statement C: Some plants are not fungi.

• This statement asserts that there is at least one plant that is not a fungus.
• This is a particular negative statement.

Statement D: Some plants are fungi.

• This statement asserts that there is at least one plant that is a fungus.
• This is a particular affirmative statement.

Therefore, the statements that are directly contradictory to each other are: (B) No plants are fungi and (D) Some plants are fungi.

The correct answer is - Fallacy of Division

Key PointsFallacy of Division

• This fallacy occurs when one incorrectly assumes that something true of a thing must also be true of all or some of its parts.
• In the statement provided, it's assumed that because the collective (Indian pharmaceutical companies) is profitable, each individual part (average Indian pharmaceutical company) must also be profitable.
• This is not necessarily true, as profitability can vary widely among companies.

Additional InformationHasty Generalisation:

• This fallacy involves making a general statement based on a small or unrepresentative sample.
• The statement in question does not make a generalization based on limited evidence but rather erroneously applies a characteristic of the whole to its parts.

Slippery Slope:

• A slippery slope argument suggests that a relatively small first step leads to a chain of related events culminating in some significant effect, usually negative.
• This fallacy is not relevant to the statement, which doesn't propose a sequence of events or outcomes.

Fallacy of Accident:

• This fallacy occurs when a general rule is applied to a specific case it was not intended to cover.
• The statement in question does not involve misapplying a general rule to a specific case but rather incorrectly infers the characteristic of parts based on the whole.

The correct answer is - (B) and (D) Only.

Key Points

Nitrous Oxide (N2O) causes acid rain - Incorrect.

• Acid rain is primarily caused by sulfur dioxide (SO2) and nitrogen oxides (NOx) in the atmosphere, which form sulfuric and nitric acids upon mixing with water vapor.
• Nitrous Oxide (N2O), however, does not significantly contribute to acid rain.

Nitrous Oxide (N2O) is laughing gas - Correct.

• Nitrous Oxide (N2O) is commonly known as laughing gas due to its euphoric effects when inhaled.
• It is used in medical procedures for its anesthetic and analgesic properties.

Nitrous Oxide (N2O) is carcinogenic - Incorrect.

• There is no substantial evidence to classify Nitrous Oxide (N2O) as a carcinogen.
• The primary health concerns related to N2O exposure are related to its potential to displace oxygen in the air, leading to oxygen deprivation, rather than cancer.

Nitrous Oxide (N2O) is a green house gas - Correct.

• Nitrous Oxide (N2O) is a potent greenhouse gas with a global warming potential approximately 298 times that of carbon dioxide (CO2) over a 100-year period.
• It contributes to global warming by trapping heat in the atmosphere.

Nitrous Oxide (N2O) is a criterion air pollutant - Incorrect.

• The United States Environmental Protection Agency (EPA) identifies six common air pollutants as criteria air pollutants, which include particulate matter, ozone, sulfur dioxide, nitrogen dioxide, carbon monoxide, and lead.
• Nitrous Oxide (N2O) is not classified as a criterion air pollutant.

Hence, the correct statements are (B) and (D) Only.

The correct answer is - Statement I is false but Statement If is true.

 Key PointsAristotelian Syllogism:

• Definition: The Aristotelian syllogism is a form of logical argument that applies deductive reasoning to arrive at a conclusion based on two or more propositions that are asserted or assumed to be true.
• Nature: It is primarily deductive, not inductive. Deductive reasoning means it starts with a general statement or hypothesis and examines the possibilities to reach a specific, logical conclusion.
• Formality: It is formal in nature because it focuses on the form or structure of the argument rather than the content.

Nyaya Syllogism:

• Definition: Nyaya syllogism, originating from the ancient Indian Nyaya school, is a logical method that includes five steps to reach a conclusion. It is known for its detailed analysis of epistemological aspects (the study of knowledge).
• Nature: It incorporates both deductive and inductive reasoning. Deductive reasoning is used in the sense that it starts from a generalization to arrive at a specific case, and inductive reasoning is seen in deriving general principles from specific observations.
• Formality and Materiality: It is both formal and material. Formal, as it concerns the structure of arguments, and material, as it also deals with the content or subject matter of the argument, emphasizing the importance of real-world evidence and examples.

Statement I: "The Aristotelian syllogism is only inductive and formal."

• This statement is incorrect because the Aristotelian syllogism is primarily deductive, not inductive, although it is formal.

Statement II: "Nyaya syllogism is deductive - inductive and formal-material."

• This statement is correct as it accurately describes the nature of Nyaya syllogism, incorporating both deductive and inductive reasoning, and being both formal in its structure and material in its consideration of content.

The correct answer is - (A), (C) and (E) only.

Key PointsReduced Toxicity :

• This is directly related to source reduction in integrated solid waste management.
• By reducing the toxicity of products at the source, the amount of hazardous waste that needs to be managed, treated, or disposed of is significantly reduced.
• Hence, Reduced Toxicity is correct.

Composting :

• While composting is an important component of integrated solid waste management, it is more related to the treatment and recycling of organic waste rather than source reduction.
• Composting does not reduce the generation of waste at the source but rather manages waste that has already been generated.
• Hence,Composting is incorrect.

Less Packaging :

• This is a key aspect of source reduction.
• By minimizing packaging, the amount of waste generated is reduced at the source, leading to less material needing management, recycling, or disposal.
• This directly contributes to the goals of source reduction in integrated solid waste management.
• Hence, Less Packaging is correct.

Landfill :

• Landfills are a method of waste disposal and do not contribute to source reduction.
• Source reduction aims to reduce the volume and toxicity of waste generated before it reaches the disposal stage.
• Hence, Landfill is incorrect.

More Durable Products :

• Creating more durable products is a fundamental strategy for source reduction.
• Durable products have a longer lifespan, which reduces the frequency of disposal and, consequently, the overall volume of waste generated.
• This aligns with the goals of source reduction in integrated solid waste management.
• Hence,More Durable Products is correct.

Based on the analysis above, the options related to 'source reduction' in integrated solid waste management are:

• Reduced Toxicity (A)
• Less Packaging (C)
• More Durable Products (E)

The correct answer is ‘Lack of adaptability’.

Key Points

• The passage explicitly states that dinosaurs became extinct because they could not adapt to a world without swamps.
• Adaptability, or lack thereof, is highlighted as the crucial factor in the survival or extinction of a species.
• The reference to adaptability directly connects with the broader theme of the passage, which concerns the ability of species, including humans, to adjust to rapidly changing environments.
• The extinction of the dinosaurs serves as a cautionary example of what can happen when a species fails to adapt to significant environmental changes.
• The passage suggests that adaptability is not just about physical or biological changes, but also encompasses the ability to adjust to environmental transformations, whether natural or man-made.

Therefore, the correct answer is 'Option 4'.

The correct answer is: ‘Man’.

Key Points

• The passage explicitly states that the changes of environment affecting human survival have been brought about by man himself, through the application of scientific techniques.
• This human-induced change contrasts with the natural environmental changes faced by species like the dinosaurs.
• It suggests a new dimension to the challenge of adaptability: the speed and nature of the changes are largely driven by human activity rather than external natural forces.
• While many changes are not willed or deliberately planned by individuals, they are still the result of human actions and choices.
• This direct connection between scientific progress and environmental changes underscores the responsibility and potential power humans have in shaping their future.

Therefore, the correct answer is 'Option 2'.

The correct answer is ‘Science and Human life.’

Key Points

• The passage discusses the profound impacts of science and its applications on human life and the natural world over the last century and a half.
• It contrasts these changes with the entire previous history of human agricultural practices, underscoring the rapid and transformative nature of scientific progress.
• The focus is not solely on the negative aspects, such as the risk of extinction or the environmental changes, but also on the broader implications of science for human existence and capabilities.
• Questions of adaptability and the potential for human institutions to respond effectively to these changes are central to the discussion.
• The passage lays out the challenge of whether humanity can manage the pace and consequences of scientific advancements to ensure its survival.

Therefore, the correct answer is 'Option 3'.

The correct answer is ‘Human survival.’

Key Points

• The statement in question pertains to whether humans will be able to survive the rapid environmental changes they have induced through scientific and technological advancements.
• It highlights survival as the ultimate measure of humanity's ability to adapt to its self-created circumstances.
• The passage frames the question of survival in terms of adaptability, drawing a parallel with the fate of the dinosaurs but with the additional challenge of self-induced change.
• The uncertainty about human survival underscores the importance of applying scientific thinking not only externally but also to human institutions and behaviors.

Therefore, the correct answer is 'Option 2'.

The correct answer is ‘(A), (D), and (E) Only.’

Key Points

• The passage confirms that science is indeed bringing about rapid changes (A), altering human life and the environment at an unprecedented pace.
• It directly challenges the notion of reaching a "scientific plateau" (B), indicating instead that the revolutionary possibilities of science are immeasurable and ongoing.
• There is no definite claim that mankind will perish like the dinosaurs (C); rather, it presents the possibility of extinction due to a lack of adaptability (D) as an open question.
• It also highlights that changes induced through human agency have exhibited a similar inevitability to natural forces in the past (E), suggesting a certain determinism in the progression of these modifications.
• This combination of ideas in the passage reflects a nuanced view on the potential futures shaped by scientific advancements, emphasizing the critical role of adaptability and awareness of the consequences of human action.

Therefore, the correct answer is 'Option 1'.