General Awareness PYQs

The correct answer is Seva dals and tufan dals.

Key Points

• The Prati Sarkar, or the Parallel Government, was established in the Satara district of Maharashtra as a powerful act of resistance during the Quit India Movement of 1942.
• It was spearheaded by prominent leaders such as Krantisinh Nana Patil, G.D. Bapu Lad, and Nathaji Lad, who aimed to liberate the region from British colonial rule by setting up a self-sustaining local administration.
• The volunteer force of this parallel government was primarily organized into two specific groups: the Seva Dals and the Tufan Dals.
• The Seva Dals functioned as village-level service units responsible for social welfare, implementing reformative policies, and maintaining civil administration.
• The Tufan Dals (also known as Tufan Sena) served as the specialized armed wing or revolutionary army that protected the movement, conducted raids on British communications, and enforced the laws of the parallel government.
• This administrative structure effectively paralyzed the British Raj in over 600 villages, creating a functional alternative that provided swift justice and economic security to the local populace.

 Additional Information

• Krantisinh Nana Patil:
• A legendary revolutionary hero who led the Satara Prati Sarkar and was later elected to the Lok Sabha in 1957. He was renowned for his underground activities and for inspiring the rural masses against imperialist oppression.
• Administrative Features:
• The Prati Sarkar established Nyayadan Mandals (peoples courts) to settle disputes locally, effectively boycotting the British legal system and reducing the influence of oppressive landlords and moneylenders.
• Quit India Movement Context:
• Launched in August 1942 after the failure of the Cripps Mission, this movement saw the rise of several parallel governments across India, including those in Tamluk (Midnapore) and Talcher (Odisha).

Therefore, the correct answer is Seva dals and tufan dals.

The correct answer is By the members of the Vidhan Sabha.

Key Points

• According to Article 178 of the Constitution of India, every Legislative Assembly (Vidhan Sabha) of a State must choose two of its members to be the Speaker and Deputy Speaker.
• The Speaker is elected from amongst the elected members of the Vidhan Sabha itself, ensuring that the presiding officer is a representative of the House.
• The election process typically occurs during the first session of a newly constituted assembly after a General Election.
• The process is conducted through a simple majority, where the candidate who secures more than half the votes of the members present and voting is declared elected.
• The Speaker Pro-tem, who is usually the senior-most member of the house appointed by the Governor, presides over the initial proceedings and the election of the permanent Speaker.
• The Speaker must vacate their office if they cease to be a member of the Vidhan Sabha, ensuring the position remains strictly within the legislative body.

 Additional Information

• Role of the Governor:
• The Governor does not elect the Speaker but is responsible for fixing the date of the election and administering the oath to the Speaker Pro-tem.
• Powers and Functions of the Speaker:
• Maintenance of Order: The Speaker is the guardian of the powers and privileges of the members and the house, maintaining decorum during debates.
• Casting Vote: Under normal circumstances, the Speaker does not vote; however, they exercise a casting vote in the event of a tie to resolve a deadlock.
• Money Bills: The Speaker has the final authority to certify whether a bill is a Money Bill, and their decision is final and cannot be challenged in court.
• Anti-Defection Law: Under the Tenth Schedule of the Constitution, the Speaker has the power to disqualify members on grounds of defection.
• Resignation:
• The Speaker can resign at any time by submitting a resignation letter specifically addressed to the Deputy Speaker of the Vidhan Sabha.

The correct answer is Jannik Sinner.

Key Points

• Jannik Sinner successfully defended his title at the 2025 Australian Open, marking his second consecutive Grand Slam victory at Melbourne Park.
• The final match took place on January 26, 2025, at the Rod Laver Arena, where Sinner faced the German player Alexander Zverev.
• The Italian star won the championship in straight sets with a scoreline of 6-4, 7-6(5), 6-3, showcasing his dominance on the hard-court surface.
• With this victory, Sinner solidified his position as the ATP World No. 1, becoming one of the few players in the modern era to win back-to-back titles in Melbourne.
• His journey to the 2025 title involved defeating several top-ten opponents, further establishing his era of dominance in men’s professional tennis following his initial breakthrough in 2024.

 Additional Information

• Alexander Zverev:
• He is a high-ranking German professional who reached the 2025 Australian Open final, marking his strongest performance at the tournament.
• Zverev is a two-time ATP Finals champion and an Olympic Gold Medalist (Tokyo 2020).
• Taylor Fritz:
• A leading American tennis player who reached the latter stages of the 2025 draw, maintaining his status as the top-ranked player from the United States.
• Jack Draper:
• A rising star from Great Britain who achieved a career-best Grand Slam run during the 2025 season, known for his powerful left-handed game.
• Australian Open:
• Known as the Happy Slam, it is the first of the four annual Grand Slam events and is played on GreenSet acrylic hard courts at Melbourne Park.
• The 2025 edition was the 113^th installment of the tournament, featuring a record-breaking attendance and prize pool.

The correct answer is SpaDeX.

Key Points

• The Indian Space Research Organisation (ISRO) successfully conducted the Space Docking Experiment (SpaDeX) in January 2025, marking a historic milestone in India's space exploration journey.
• This mission involved two spacecraft, a Chaser and a Target, which were launched together and then programmed to autonomously find, approach, and dock with each other in Low Earth Orbit (LEO).
• With the success of SpaDeX, India became only the fourth nation in the world to demonstrate autonomous docking capabilities, joining the ranks of the USA, Russia, and China.
• The docking technology is fundamental for building the Bharatiya Antariksha Station (BAS), as it allows various modules of the space station to be launched separately and joined in orbit.
• The mission was launched using the PSLV-C60 rocket, and the docking occurred at an altitude of approximately 450 kilometers above the Earth's surface.

 Additional Information

• NISAR:
• It stands for NASA-ISRO Synthetic Aperture Radar, a joint Earth-observation mission.
• Its primary goal is to use dual-frequency radar to monitor ecosystem disturbances, ice-sheet collapse, and natural hazards like earthquakes and tsunamis.
• Gaganyaan-1:
• This is the first uncrewed test flight of India's human spaceflight program.
• It serves to validate the performance of the Launch Vehicle Mark-3 (LVM3) and the safety systems of the Crew Module.
• Chandrayaan-4:
• A planned lunar sample return mission that will follow the successful Chandrayaan-3.
• This mission will utilize docking technology in lunar orbit to transfer collected moon rocks from a lander to a return module.

The correct answer is Article 100.

Key Points

• Article 100 of the Constitution of India specifically addresses the procedures for voting in the Houses, the power of Houses to act despite vacancies, and the requirements for a quorum.
• According to Article 100(3), until Parliament provides otherwise by law, the quorum to constitute a meeting of either the Lok Sabha or the Rajya Sabha is fixed at one-tenth of the total number of members of that House.
• A quorum is the minimum number of members required to be present for the House to legally conduct its official business and proceedings.
• The Constitution further mandates under Article 100(4) that if at any time during a meeting there is a lack of quorum, it is the duty of the Speaker or Chairman to either adjourn the House or suspend the meeting until the required number of members is present.
• In practical terms, for the Lok Sabha (with 543 members), the quorum is 55 members, while for the Rajya Sabha (with 245 members), the quorum is 25 members.

 Additional Information

• Article 96:
• This Article specifies that the Speaker or the Deputy Speaker of the Lok Sabha shall not preside while a resolution for their removal from office is under consideration, although they have the right to participate and vote (except in the case of a tie).
• Article 99:
• It mandates that every member of either House of Parliament must, before taking their seat, subscribe to an oath or affirmation before the President or a person appointed by the President, according to the forms in the Third Schedule.
• Article 102:
• This Article details the disqualifications for being chosen as, and for being, a member of either House of Parliament, including holding an office of profit, being of unsound mind, or being an undischarged insolvent.

The correct answer is Satavahanas Dynasty.

Key Points

• The Ikshvaku dynasty, also known as the Andhra Ikshvakus, established their rule in the Eastern Deccan region, specifically the Krishna-Guntur area, following the decline of the Satavahana Empire in the early 3^rd century CE.
• They were originally feudatories or Mahatalavaras of the Satavahanas and asserted their independence as the central authority of the Satavahanas weakened after the reign of Pulumavi IV (around 225 CE).
• The founder of the dynasty was Santamula I, who performed Vedic sacrifices such as Ashvamedha and Vajapeya to mark the beginning of his sovereign rule over the Krishna-Godavari delta.
• Their capital was located at Vijayapuri, situated in the Nagarjunakonda valley, which became a significant center for both Brahmanism and Buddhism.
• The dynasty is noted for its unique matrilineal naming tradition, where kings often used their mothers names as titles, a practice inherited from their Satavahana predecessors.

 Additional Information

• Kadambas Dynasty:
• Founded by Mayurasharma in the 4^th century CE (around 345 CE), they ruled the Karnataka region with their capital at Banavasi.
• They emerged as a power in the Western Deccan after the decline of the Pallavas and Satavahanas in that region.
• Guptas Dynasty:
• Founded by Sri Gupta, they were the dominant power in Northern India from the 4^th to 6^th centuries CE.
• While they were contemporaries of the later Ikshvakus, their empire focused on the Gangetic plains and they did not directly precede the Ikshvakus in the Eastern Deccan.
• Mauryas Dynasty:
• Established by Chandragupta Maurya around 322 BCE, it was the first major empire to cover most of the Indian subcontinent.
• The Satavahanas themselves rose to power in the Deccan following the fragmentation of the Mauryan Empire after the death of Ashoka.

The correct answer is Sam.

Key Points

• In Hindustani Classical Music, a Tala is a rhythmic cycle characterized by a specific number of Matras (beats) and Vibhags (divisions).
• The first matra of any tala cycle is fundamentally termed Sam, which serves as the primary point of resolution and maximum rhythmic emphasis.
• Sam acts as the essential junction where the main performer (vocalist or instrumentalist) and the percussionist (usually playing the Tabla or Pakhawaj) meet to conclude a rhythmic pattern or melodic phrase.
• In the standardized Bhatkhande Notation System, the Sam is denoted by the symbol 'X', distinguishing it from other accented or unaccented beats.
• The arrival at Sam signifies the completion of one Avartan (full cycle) and the simultaneous commencement of the next, maintaining the structural continuity of the Raga performance.

 Additional Information

• Khali:
• The term literally translates to 'empty' and refers to a specific beat in a tala cycle that is marked by a wave of the hand rather than a clap.
• In notation, it is represented by the symbol '0' and serves to provide a structural counter-balance to the Sam and Tali.
• Tali:
• This term refers to the claps used to mark the beginning of various Vibhags within a tala, excluding the Khali.
• It helps performers navigate complex rhythmic structures, such as Teental (16 beats) or Jhaptal (10 beats), by identifying internal subdivisions.
• Laya:
• Laya refers to the tempo or the speed at which the tala cycle is executed.
• It is categorized into three primary levels: Vilambit (slow), Madhya (medium), and Drut (fast), each dictating the mood and complexity of the musical composition.

The correct answer is Rasbehari Bose and Sachindranath Sanyal.

Key Points

• The assassination attempt on the then Viceroy of India, Lord Hardinge, took place on December 23, 1912, and is historically known as the Delhi-Lahore Conspiracy Case.
• The incident occurred during the State Entry into Delhi to celebrate the transfer of the British Indian capital from Calcutta to the new capital, Delhi.
• The revolutionary mastermind behind this plot was Rasbehari Bose, who worked closely with Sachindranath Sanyal to coordinate the network of underground activists in Bengal and Punjab.
• A homemade bomb was thrown at the Viceroy's elephant carriage in the Chandni Chowk area of Old Delhi. While Lord Hardinge survived with severe injuries, his Mahout (attendant) was killed in the blast.
• The actual person who threw the bomb was Basant Kumar Biswas, who was assisted by other revolutionaries like Amir Chand, Avadh Behari, and Bhai Balmukund.
• Following the attack, Rasbehari Bose managed to evade capture and eventually escaped to Japan in 1915, where he later played a crucial role in founding the Indian Independence League.

 Additional Information

• Madanlal Dhingra and VD Savarkar:
• Madanlal Dhingra assassinated Sir Curzon Wyllie in London in 1909.
• Vinayak Damodar Savarkar founded the Abhinav Bharat Society and was a key figure at India House.
• Khudiram Bose and Prafulla Chaki:
• They were involved in the Muzaffarpur Bomb Case of 1908, targeting District Magistrate Douglas Kingsford.
• Khudiram Bose became one of the youngest revolutionaries to be executed by the British.
• Surya Sen and Jatin Mukherjee:
• Surya Sen, popularly known as Master Da, led the famous Chittagong Armoury Raid in 1930.
• Jatin Mukherjee, also known as Bagha Jatin, was the leader of the Jugantar party and died in a gunfight at Balasore in 1915.

The correct answer is Arithmetic Logic Unit.

Key Points

• The Arithmetic Logic Unit (ALU) is a fundamental combinational digital circuit within the Central Processing Unit (CPU) that performs all mathematical and logical computations required by a computer program.
• Arithmetic Operations: The ALU is responsible for executing basic integer arithmetic, including addition, subtraction, multiplication, and division. It utilizes binary adders and accumulators to process numerical data fetched from registers.
• Logical Comparisons: Beyond simple math, the ALU performs bitwise logic operations such as AND, OR, XOR, and NOT. These are essential for manipulating data at the bit level and managing boolean logic within software.
• Relational Evaluations: It handles comparisons between two operands to determine if one is greater than, less than, or equal to another. The results of these comparisons often set specific status flags (like the Zero flag or Carry flag), which dictate the control flow and branching of the software.
• Integration: While the Control Unit manages the flow of instructions, the ALU is the actual 'engine' where the data transformation occurs. Therefore, Option 3 is the correct answer as it precisely defines this component's role.

 Additional Information

• Control Unit (CU):
• Acts as the CPU's coordinator, fetching instructions from memory and decoding them into control signals.
• It tells the ALU, memory, and I/O devices how to respond to the instructions but does not perform data processing itself.
• Motherboard:
• The main Printed Circuit Board (PCB) that houses the CPU, RAM, and provides slots for other hardware components.
• It acts as the communication bridge or 'backbone' for the entire system using various buses and chipsets.
• Random Access Memory (RAM):
• A form of primary volatile memory that provides high-speed data access for the CPU during active processing.
• It stores the operating system, applications, and data currently in use, but loses its contents when the system is powered off.

The correct answer is Diligence.

Key Points

• Diligence is a core characteristic of a computer that defines its ability to perform repetitive tasks with the same consistency and precision from the first instruction to the last.
• Unlike humans, who may experience physical fatigue, mental exhaustion, or a drop in concentration after working for several hours, a computer does not suffer from boredom or monotony.
• This property ensures that the machine can operate 24/7 for days or even years (as seen in servers and supercomputers) without requiring a break, provided the hardware components and power supply remain stable.
• In technical environments, diligence means that if a computer is tasked with performing ten million calculations, it will perform the last one with exactly the same reliability as the first.

 Additional Information

• Versatility:
• Refers to the flexibility of a computer to carry out a wide range of diverse activities, from scientific calculations to multimedia editing.
• It allows the machine to switch between software applications like word processors, spreadsheets, and gaming environments seamlessly.
• Accuracy:
• Represents the degree of correctness in the results produced; computers are capable of error-free processing.
• Errors in computer results are generally attributed to human errors in programming or data entry, a concept known as GIGO (Garbage In, Garbage Out).
• Speed:
• Computers are high-speed electronic devices capable of processing millions of instructions in a fraction of a second.
• Computational speed is typically measured in Microseconds (10⁻⁶), Nanoseconds (10⁻⁹), or Picoseconds (10⁻¹²).

The correct answer is ³⁵₁₇Cl and ³⁷₁₇Cl.

Key Points

• The Atomic Number (Z) of an element is defined as the total number of protons present in the nucleus of its atom. In this problem, the element has 17 protons, which identifies it as Chlorine (Cl).
• The Mass Number (A) is the sum of the number of protons and neutrons (collectively called nucleons) in the nucleus. It is expressed by the formula: A = Z + n, where n is the number of neutrons.
• For the first isotope, the mass number is calculated as 17 (protons) + 18 (neutrons) = 35. Thus, its mass number is 35.
• For the second isotope, the mass number is calculated as 17 (protons) + 20 (neutrons) = 37. Thus, its mass number is 37.
• In chemical notation, an isotope is represented as ^A_ZX, where the Mass Number (A) is written as a superscript and the Atomic Number (Z) is written as a subscript to the left of the chemical symbol X.
• By substituting the values, we get the two isotopes as ³⁵₁₇Cl and ³⁷₁₇Cl.

 Additional Information

• Isotopes:
• Isotopes are atoms of the same element that have the same number of protons but a different number of neutrons.
• They possess identical chemical properties because they have the same electronic configuration and number of valence electrons.
• They exhibit different physical properties, such as density and boiling points, due to the variation in their atomic masses.
• Average Atomic Mass:
• Naturally occurring Chlorine is a mixture of its isotopes. Chlorine-35 and Chlorine-37 occur in a ratio of approximately 3:1 (75% and 25% respectively).
• The average atomic mass of Chlorine is calculated as a weighted average, resulting in the value of 35.5 u, which is why many periodic tables do not show a whole number for its mass.
• Other Examples:
• Hydrogen has three isotopes: Protium (¹H), Deuterium (²H), and Tritium (³H).
• Carbon isotopes include Carbon-12 (stable), Carbon-13, and Carbon-14 (used in radiocarbon dating).

The correct answer is Brahui.

Key Points

• Brahui is a member of the North Dravidian language family, primarily spoken by the Brahui people in the Balochistan province of Pakistan.
• It is the only Dravidian language spoken almost entirely outside the Indian subcontinent proper, situated approximately 1,500 kilometers away from the main cluster of Dravidian languages in Southern India.
• Beyond Pakistan, significant speaker populations are found in Southern Afghanistan and the Sistan and Baluchestan province of Iran.
• Linguistically, Brahui is highly significant as its isolation provides evidence for the historical migration of Dravidian-speaking groups or the potential linguistic landscape of the ancient Indus Valley Civilization.
• While it maintains a Dravidian grammatical core, the language has been heavily influenced by Iranian and Indo-Aryan languages, specifically Balochi, Sindhi, and Persian.
• It is typically written using the Perso-Arabic script, unlike its sister languages in India which use Brahmic-derived scripts.

 Additional Information

• Kannada:
• A South Dravidian language spoken primarily in Karnataka, India.
• It is recognized as one of the Classical Languages of India with a literary history of over 1,500 years.
• Malayalam:
• Spoken mainly in the state of Kerala and the Lakshadweep islands.
• It branched off from Middle Tamil around the 9^th century and is known for its extensive Sanskrit vocabulary.
• Tamil:
• One of the oldest surviving classical languages, spoken in Tamil Nadu, Sri Lanka, and Singapore.
• It has the oldest recorded non-Sanskrit literature in India, specifically the Sangam literature.

The correct answer is Intensive subsistence farming.

Key Points

• Intensive subsistence farming is predominantly practiced in the densely populated regions of the monsoon lands of South, Southeast, and East Asia, including countries like India, China, Japan, Vietnam, and Bangladesh.
• This agricultural system is characterized by a high population pressure on limited land resources, resulting in small and fragmented landholdings due to traditional laws of inheritance.
• Farmers utilize intensive manual labor, simple tools, and animal power to maximize the yield from small plots, often achieving high productivity per unit area despite low output per worker.
• The tropical monsoon climate, providing high temperatures and abundant seasonal rainfall, allows for multiple cropping, where two or more crops are grown on the same piece of land within a single year.
• Paddy (wet rice) is the dominant crop because it can support large populations; however, in areas with lower rainfall, crops like wheat, maize, pulses, and oilseeds are cultivated.
• Modern variations of this farming include the use of High Yielding Variety (HYV) seeds, chemical fertilizers, and irrigation facilities to further enhance food security for the massive local population.

 Additional Information

• Shifting cultivation:
• Also known as slash and burn agriculture, it is practiced in the thick tropical forests of the Amazon basin, Africa, and Northeast India (where it is called Jhumming).
• It involves clearing land by burning vegetation and moving to a new plot once the soil fertility is exhausted.
• Nomadic herding:
• Practiced in the semi-arid and arid regions of the Sahara, Central Asia, and parts of India like Rajasthan.
• Herdsmen move with their livestock (sheep, camel, yak, or goats) along defined routes in search of fodder and water.
• Mediterranean agriculture:
• A highly specialized commercial farming practiced in regions bordering the Mediterranean Sea, California, and Southwest Australia.
• It is globally renowned for viticulture (grape cultivation) and the production of citrus fruits, olives, and figs.

The correct answer is Mixed economy combining public and private sectors.

Key Points

• Following Independence in 1947, India adopted a Mixed Economic System to balance the dual goals of rapid economic growth and social justice.
• This model was championed by Jawaharlal Nehru, who believed that the state must control the commanding heights of the economy to ensure equitable distribution of wealth.
• The Industrial Policy Resolution of 1948 officially laid the foundation for this system, dividing industries into those reserved for the public sector and those open to the private sector.
• Under this strategy, the Government of India took responsibility for heavy industries, infrastructure, and social services, while leaving agriculture and consumer goods largely to private enterprise.
• The implementation was managed through centralized planning, leading to the establishment of the Planning Commission in 1950 and the launch of the First Five-Year Plan in 1951.

 Additional Information

• Economic Ideologies Comparison:
• Free Market Capitalism: This was rejected because the private sector at the time lacked sufficient capital and technology to build the massive infrastructure required for a newly independent nation.
• Socialist System: While influenced by Soviet planning, India did not adopt a total communist/socialist model (eliminating private property) to uphold democratic principles and individual freedom.
• License-Permit Raj: To regulate the private sector within the mixed economy, the government introduced strict licensing under the Industries (Development and Regulation) Act, 1951.
• Mahalanobis Model: The Second Five-Year Plan (1956-61) shifted focus toward capital-intensive heavy industries to achieve self-reliance and import substitution.

The correct answer is Low-pressure systems over warm ocean water.

Key Points

• Tropical cyclones are intense low-pressure systems that develop over tropical or subtropical waters, characterized by a closed atmospheric circulation and strong winds.
• The primary engine for these storms is the latent heat of condensation; as warm, moist air rises from the ocean surface, it cools and condenses into clouds, releasing energy that fuels the storm.
• A critical requirement for formation is a sea surface temperature (SST) of at least 26.5°C (approximately 80°F) reaching down to a depth of about 50 meters.
• The Coriolis force is necessary to provide the rotation required for the storm to spin; because this force is zero at the equator, tropical cyclones typically form between 5° and 30° latitude.
• These systems are known by different names based on their location: Hurricanes in the North Atlantic and Eastern Pacific, Typhoons in the Northwest Pacific, and Cyclones in the Indian Ocean and South Pacific.

 Additional Information

• High-pressure systems over land:
• These systems, also called anticyclones, generally bring stable, clear weather and sinking air, which inhibits the vertical cloud growth necessary for cyclone development.
• Rising continental winds:
• While rising air (convection) occurs over land, continents do not provide the massive, sustained supply of moisture found over oceans required to maintain a tropical cyclone's intensity.
• Fast-moving cold fronts:
• Cold fronts are characteristic of extratropical cyclones (mid-latitude storms) rather than tropical ones; tropical cyclones are warm-core systems that thrive on heat rather than temperature gradients between air masses.
• Vertical Wind Shear:
• A low vertical wind shear is essential for formation; strong winds at higher altitudes can tilt or disrupt the storm's structure, preventing it from organizing.

The correct answer is National Emergency.

Key Points

• Under Article 352 of the Indian Constitution, the President of India can declare a National Emergency when the security of India or any part of it is threatened by war, external aggression, or internal disturbance.
• The phrase 'internal disturbance' was part of the original constitutional text since its adoption in 1950, providing a broad and somewhat vague ground for the executive to assume extraordinary powers.
• This specific provision was famously utilized by the Indira Gandhi-led government to proclaim a National Emergency on June 25, 1975, which lasted for 21 months until 1977.
• To prevent the potential misuse of this term in the future, the 44^th Constitutional Amendment Act, 1978, introduced by the Janata Government, replaced 'internal disturbance' with the more specific term 'armed rebellion'.
• The amendment ensured that a National Emergency could no longer be declared merely on the grounds of political instability or non-violent protests, requiring a higher threshold of domestic violence involving arms.

 Additional Information

• President's Rule:
• Governed by Article 356, it is imposed when a State Government cannot function according to constitutional provisions.
• It is also known as State Emergency or Constitutional Emergency.
• Financial Emergency:
• Authorized under Article 360, it can be declared if the financial stability or credit of India is under threat.
• Notably, this type of emergency has never been declared in the history of independent India.
• Martial Law:
• Referenced in Article 34, it involves the suspension of ordinary law and the administration of justice by military tribunals in specific areas.
• Unlike a National Emergency, there is no specific provision in the Constitution that defines the exact grounds for its declaration.

The correct answer is It links production centres with markets, enhancing trade and economic activity.

Key Points

• Transport and communication systems serve as the lifelines of a national economy by bridging the spatial gap between areas of production and areas of consumption.
• Efficient transport infrastructure, such as Roadways, Railways, and Ports, ensures the seamless movement of raw materials to industrial hubs and finished goods to domestic and international markets, thereby reducing logistics costs.
• In India, massive projects like the Golden Quadrilateral and Dedicated Freight Corridors are designed to enhance the speed of trade, making Indian products more competitive in the global market.
• Modern communication networks, including telecom and high-speed internet, facilitate real-time business transactions, e-commerce, and digital banking, which are fundamental to a modern service-oriented economy.
• By reducing the time and cost involved in the exchange of goods and information, these sectors directly contribute to the Gross Domestic Product (GDP) and foster industrialization in previously inaccessible regions.

 Additional Information

• PM Gati Shakti - National Master Plan:
• Launched to provide multi-modal connectivity infrastructure to various economic zones.
• Aims to break silos between departments and ensure holistic planning for logistical efficiency.
• Bharatmala Pariyojana:
• A centrally-sponsored umbrella program focusing on optimizing the efficiency of freight and passenger movement across the country by bridging critical infrastructure gaps.
• Digital India Programme:
• A flagship program to transform India into a digitally empowered society, significantly boosting the communication infrastructure required for FinTech and knowledge-based industries.
• Impact on Regional Development:
• Infrastructure prevents regional isolation by integrating rural and remote areas into the mainstream market, promoting balanced regional growth and poverty reduction.

The correct answer is Andhra Pradesh.

Key Points

• In December 2025, the Andhra Pradesh state government formally approved the transfer of 480 acres of land in the Visakhapatnam and Anakapalli districts to Adani Infra (India) Private Limited.
• Adani Infra acts as the primary Notified Partner of Raiden Infotech India Pvt. Ltd., a special purpose vehicle and subsidiary owned by tech giant Google for its digital infrastructure investments in India.
• The project aims to establish a massive 1 GW (1,000 MW) Artificial Intelligence (AI) Data Centre, representing a cumulative phased investment of over ₹87,520 crore.
• The land allocation managed by the Andhra Pradesh Industrial Infrastructure Corporation (APIIC) is distributed across Adavivaram, Mudasarlova, Tarluvada, and Rambilli villages.

 Additional Information

• Google's Raiden Infotech Project Details:
• State Incentives: The Andhra Pradesh administration approved an incentive package worth approximately ₹22,002 crore to facilitate this hyperscale technology development.
• Global Standards: The facility is engineered to run the most heavy AI workloads, maintaining the exact operational and design standards that power global platforms like Google Search, YouTube, and Google Workspace.
• Subsequent Expansion: In February 2026, the state cabinet increased the land allotment from 480 acres to 601.4 acres to accommodate the growing project scale.
• Ecosystem in Other States:
• Gujarat and Tamil Nadu host several subsea cables and data parks, such as the GIFT City and Chennai hubs, but did not receive this specific 1 GW Google AI infrastructure package.

Therefore, the correct option is 2.

The correct answer is Change in speed of light.

Key Points

• Refraction is the physical phenomenon where a wave, such as light, changes direction as it passes from one transparent medium into another.
• The primary cause of this bending is the change in the speed of light as it crosses the boundary between media of different optical densities.
• Light travels at its maximum speed of approximately 3 × 10⁸ m/s in a vacuum; however, when it enters a medium like water, its speed decreases significantly.
• When light moves from air (a rarer medium) into water (a denser medium), it slows down and bends toward the normal (an imaginary line perpendicular to the surface).
• The extent of bending depends on the refractive index of the materials involved, which is directly linked to the velocity of light in those substances.

 Additional Information

• Refractive Index (n):
• It is a dimensionless constant defined by the formula \( n = c / v \), where c is the speed of light in vacuum and v is the speed in the medium.
• For water, the refractive index is approximately 1.33, meaning light travels about 1.33 times slower in water than in a vacuum.
• Snell's Law:
• This law relates the angles of incidence and refraction to the refractive indices: \( n_1 \sin(\theta_1) = n_2 \sin(\theta_2) \).
• Frequency and Color:
• During refraction, the frequency of the light remains constant; therefore, the color of the light does not change.

Only the wavelength and speed vary.

• Incorrect Concepts:
• Gravity: While gravitational lensing can bend light, it requires massive celestial bodies like stars and is negligible in a laboratory setting involving water.
• Temperature: While temperature can slightly affect the density and thus the refractive index, it is not the fundamental property responsible for the bending itself.

The correct answer is eScan.

Key Points

• In December 2025, the cybersecurity firm eScan, which is a global brand under MicroWorld Technologies, announced the introduction of an advanced Tenant Control feature specifically tailored for Generative AI applications like ChatGPT.
• The Tenant Control feature is designed to empower Enterprise IT Administrators by allowing them to restrict ChatGPT usage to only official, company-sanctioned Tenants or Workspaces.
• This solution effectively mitigates the risk of Shadow AI, where employees use personal accounts to process sensitive Corporate Data, leading to potential Data Breaches or Intellectual Property theft.
• By leveraging Deep Packet Inspection (DPI) and SSL Filtering, the software identifies the Tenant ID during the login request and blocks any session that does not match the organization’s approved Enterprise Instance.
• This proactive measure ensures that all interactions with OpenAI's platform are governed by Organizational Security Policies and Compliance Standards.
• Therefore, eScan is the provider that introduced this specific security enhancement for managing ChatGPT in an enterprise environment, making Option 4 the correct answer.

 Additional Information

• MicroWorld Technologies:
• Founded in 1993 and headquartered in Mumbai, India, it is a pioneer in Information Security and Content Security solutions.
• Its flagship product, eScan, provides comprehensive Endpoint Security, Antivirus, and Data Loss Prevention (DLP) tools for both home and business users.
• Cybersecurity Context:
• Bitdefender: A major Romanian cybersecurity company known for its GravityZone platform and high-performance threat detection engines.
• Kaspersky: A Russian global cybersecurity provider famous for its Endpoint Security and deep research into Advanced Persistent Threats (APTs).
• Quick Heal: An Indian antivirus software company that offers Seqrite, its enterprise security brand focusing on SME and corporate security.
• Data Loss Prevention (DLP):
• The Tenant Control feature is a subset of Cloud Access Security Broker (CASB) and DLP capabilities, aimed at preventing Data Exfiltration through modern cloud-based productivity tools.