MPSC Prelims 2024 General Studies Paper I with Answers & Explanations

Explanation

King Harshavardhana, the ruler of the Vardhana dynasty, was a renowned author and playwright in Sanskrit literature. He is credited with the authorship of three major Sanskrit dramas: Priyadarshika, Ratnavali, and Nagananda. The text Harshacharita, which is a biography of King Harsha, was actually written by his court poet Banabhatta. Therefore, the works composed by King Harshavardhana himself include Priyadarshika, Ratnavali, and Nagananda.

Explanation

Mumbai is matched with Lokmanya Tilak, who led the movement in western India and used the Ganpati and Shivaji festivals to mobilize public support for Swadeshi.

Delhi is matched with Syed Raza Haider, who spearheaded the leadership of the Swadeshi movement in the capital region.

Punjab is matched with Lala Lajpat Rai, who along with Ajit Singh led the protests and propagated Swadeshi ideas throughout the province.

Madras is matched with Chidambaram Pillai, who led the movement in the south and set up the Swadeshi Steam Navigation Company to boycott British shipping.

Explanation

Nana Jagannath Shankarseth (1803-1865) was an eminent philanthropist, social reformer, and educationist who made immense contributions to the modern development of Bombay. Deeply committed to the spread of education, he co-founded the Bombay Native Education Society and played a major role in the creation of multiple educational institutions. When a public fund, known as the Elphinstone Fund, was set up to commemorate Governor Mountstuart Elphinstone's service and to establish educational institutions, Shankarseth personally contributed a massive sum of ₹ 25,000. This fund subsequently laid the foundation for the prestigious Elphinstone College.

Explanation

The Nehru Report, finalized in August 1928, was drafted by an All Parties Conference committee chaired by Motilal Nehru. The report declared that the ultimate political goal for India was to achieve Dominion Status within the British Empire, meaning India would have a self-governing constitution similar to other dominions like Canada, Australia, and New Zealand. This proposal served as the constitutional groundwork designed by Indian leaders to counter the challenge of the Simon Commission.

Explanation

Simuka was the founder of the Satavahana dynasty, establishing its rule in the Deccan region around the late 1st century BCE. According to Puranic literature and epigraphic evidence, including the Nanaghat inscription, Simuka laid the foundation of this powerful lineage by consolidating various principalities in the Deccan. Under his leadership and that of his successors, the Satavahana empire grew to become a major political and cultural force in central and southern India, with its prominent early capital situated at Pratishtana.

Explanation

The National Policy on Education of 1968 was formulated based on the landmark recommendations of the Kothari Commission (1964-66) to restructure and reform India's educational framework.

One of its fundamental guiding principles was the implementation of free and compulsory education for all children up to the age of 14 years, aligned with the directive under Article 45 of the Indian Constitution.

The policy also prioritized improving the quality of teaching by recognizing teachers as the primary architects of the educational system. It recommended elevating their social status, upgrading their qualifications, and ensuring better pay scales and more favorable service conditions.

With respect to financial outlays, both the Kothari Commission and the 1968 policy recommended that public expenditure on education should be progressively increased to reach 6% of the national income, rather than 10%.

Explanation

Lala Lajpat Rai founded the Tilak School of Politics in Lahore in 1920. Established shortly after the demise of Bal Gangadhar Tilak, the school was designed to provide systematic political education and practical training to young national workers, cultivating selflessness and patriotism on the model of the Servants of India Society. This school later formed the nucleus of the Servants of the People Society founded in 1921.

Explanation

Sarojini Naidu led the Dharasana Satyagraha in May 1930 following the arrest of Mahatma Gandhi and Abbas Tyabji. This nonviolent protest against the salt tax at the Dharasana Salt Works in Gujarat became a defining moment of the Civil Disobedience Movement, gaining global attention due to the brutal police crackdown on the peaceful satyagrahis, which was widely reported by the American journalist Webb Miller.

Explanation

Nana Saheb led the 1857 uprising in Kanpur. As the adopted son of Peshwa Baji Rao II, he was refused his father's pension by the British under the Doctrine of Lapse. This motivated him to lead the rebellion in Kanpur, where he successfully expelled the British forces, proclaimed himself Peshwa, and acknowledged Bahadur Shah Zafar as the Emperor of India.

Explanation

During the Sultanate period, the administration levied taxes in accordance with Islamic law. Khiraj was a land revenue tax collected from Hindu landlords and cultivators, generally ranging from one-third to half of the agricultural produce. Zakat was a mandatory religious tax collected from wealthy Muslims, including Muslim landlords, calculated on their savings and property.

Explanation

Abdul Razzaq, a Persian traveller and ambassador of the Timurid dynasty ruler Shah Rukh, visited the Vijayanagara Empire in 1443 CE during the reign of King Devaraya II (Devrai II). He stayed at the Vijayanagara court for several months and wrote a detailed chronicle of his journey in his book Matla-us-Sadain wa Majma-ul-Bahrain, in which he highly praised the administration, grand architecture, immense wealth, and military strength of the empire.

Explanation

Prince Azam Shah was the eldest son of the Mughal Emperor Aurangzeb and his chief consort Dilras Banu Begum, making him a Mughal prince (who also briefly reigned as the Mughal Emperor in 1707) rather than a Bahamani ruler.

Explanation

Jivya Soma Mhase was a legendary Warli artist from Maharashtra who played a monumental role in transforming Warli painting from a ritualistic tribal wall art into an internationally recognized art form.

For his outstanding contributions to Indian art and culture, he was honored with the National Award for Tribal Arts in 1976. He later received the Shilpguru Award in 2002 for his exceptional master craftsmanship and efforts in preserving the traditional art form. He was also conferred the Padma Shri, one of India's highest civilian awards, in 2011.

Explanation

Anusaya Sarabhai played a pioneering role in the Indian labor movement and was the chief collaborator with Mahatma Gandhi during the Ahmedabad Mill Strike of 1918. When the mill workers demanded a 35% wage increase to compensate for the high cost of living and the withdrawal of the plague bonus, she led the struggle and invited Gandhi to Ahmedabad to arbitrate the dispute. Her leadership and active involvement alongside Gandhi eventually led to a successful resolution and the subsequent establishment of the Ahmedabad Textile Labour Association (Majoor Mahajan Sangh) in 1920, which became one of India's oldest labor unions.

Explanation

Following the Surat Split of 1907, the Viceroy of India, Lord Minto, expressed his satisfaction over the division within the Indian National Congress in a letter to the Secretary of State for India, Lord Morley. He remarked that the Congress collapse at Surat was a great triumph for the British administration.

The division between the Moderates, led by figures like Gopal Krishna Gokhale, and the Extremists, led by Lokmanya Tilak, over ideological differences and the choice of the Congress President, played directly into the British policy of divide and rule. The British officials welcomed this weakening of the united nationalist front as a major political victory.

Explanation

In Maharashtra, the Wardha Valley coalfield constitutes the state's major coal-producing belt. Within Chandrapur district, coal deposits are located at several places, including Bandar, Ghoggus (Ghugus), and Telwasa. While Wani is also a highly prominent coal-mining area in the region, it is geographically located in the neighboring Yavatmal district rather than Chandrapur district. Therefore, among the choices, Bandar, Ghoggus, and Telwasa are the places in Chandrapur district where coal is found.

Explanation

Dispersed or isolated settlements are characterized by scattered, isolated houses separated by large distances. They typically develop in regions with rugged relief, steep slopes, dense forests, or grasslands where physical and environmental conditions are unfavorable for compact habitation. Geographical barriers such as high mountain ranges, dissected hills, river valleys, and transport corridors like roads and railway lines further segment the terrain, causing individual dwellings or small clusters of houses to be situated far apart from one another. Consequently, statements (a), (b), and (c) accurately describe the defining characteristics of dispersed settlements.

Explanation

The land borders that India shares with Pakistan and Bangladesh are artificial, man-made political boundaries rather than natural geographical barriers. These frontiers were artificially demarcated in 1947 by the Radcliffe Commission during the Partition of British India, based primarily on religious demography. These lines run across plain areas, deserts, agricultural fields, and riverine tracts without being defined by prominent, continuous natural barriers, making them highly porous subsequent boundaries.

Explanation

Sedimentary rocks are formed by the deposition, compaction, and cementation of mineral and organic particles over time. Because they do not undergo the extreme heat and pressure associated with the formation of igneous and metamorphic rocks, sedimentary rocks are characterized by being relatively soft, brittle, and highly susceptible to weathering and erosion rather than being massive, huge, and exceptionally hard.

Explanation

In India, the crude death rate (measured as the number of deaths per 1000 population) has shown a consistent and significant downward trend over the decades due to improvements in healthcare, sanitation, access to medical facilities, and overall standard of living.

For the census year 1981, the crude death rate in India was approximately 15 per 1000.

For the census year 1991, the death rate declined to approximately 11 per 1000.

For the census year 2001, the rate further decreased to around 08 per 1000.

For the census year 2011, the death rate reached approximately 07 per 1000.

This sequence represents the direct progressive matching of (a) with (i), (b) with (ii), (c) with (iii), and (d) with (iv).

Explanation

Dispersed settlement is a pattern of rural settlement where dwellings are isolated and scattered over a vast geographical area, commonly found in rugged terrains, dense forests, or dry grasslands. Because urban settlements are fundamentally defined by a high concentration of population, compact building structures, and nucleation, a dispersed layout is characteristic of rural environments rather than urban areas.

Explanation

India is paired with Jim Corbett National Park, which was established in 1936 in Uttarakhand as India's oldest national park.

Ecuador is matched with Galapagos National Park, which protects the famous volcanic islands renowned for their unique biodiversity and evolutionary significance.

U.S.A. corresponds to Grand Canyon National Park, located in Arizona and recognized for its immense geological formations carved by the Colorado River.

Australia is paired with the Great Barrier Reef, a globally celebrated marine park protecting the largest coral reef system in the world.

Explanation

The Mississippi River flows approximately 2,320 miles (3,730 km) from its source at Lake Itasca in Minnesota to the Gulf of Mexico, making it the longest of the listed rivers. It drains an area of about 1.2 million square miles, which encompasses all or parts of 32 US states and two Canadian provinces.

Explanation

As per the Census 2011 data, Maharashtra has a population of 11.24 crore (112,374,333), which makes it the second most populous state in India after Uttar Pradesh. The geographical area of the state is 307,713 sq. km, yielding a population density of 365 persons per sq. km. The overall literacy rate of Maharashtra is 82.91%, consisting of a male literacy rate of 89.82% and a female literacy rate of 75.48%. The sex ratio of the state is 929 females per 1000 males, making statement (d) incorrect as it states the ratio to be 925.

Explanation

The Son River is a major right-bank tributary of the Ganges River system rather than the Sindhu River system. It originates near Amarkantak in the Maikal range of Madhya Pradesh and flows north-northeastwards through Madhya Pradesh, Uttar Pradesh, Jharkhand, and Bihar before merging with the Ganges River just above Patna.

Explanation

The Hetwane major irrigation scheme is located in the Raigad district of Maharashtra. The project involves an earthfill dam built across the Bhogeshwari River near Pen. It provides irrigation to local agricultural lands in the Raigad district and serves as a major source of drinking and industrial water supply to Navi Mumbai and surrounding areas.

Explanation

Maharashtra exhibits a diverse topography and varied geological structures, which result in the presence of all the mentioned drainage patterns across different parts of the state.

The dendritic drainage pattern, characterized by a branching tree-like structure, is the most widespread pattern in Maharashtra. It develops over the uniform basaltic rocks of the Deccan Plateau, as seen in the drainage basins of major east-flowing rivers such as the Godavari, Krishna, and Bhima.

The parallel drainage pattern is highly prominent in the Konkan coastal strip. The steep western slopes of the Sahyadri range cause numerous short, swift rivers to flow parallel to each other westward before emptying into the Arabian Sea.

The indefinite or irregular drainage pattern is found in the eastern Vidarbha region, particularly in the Bhandara and Gondia districts. This area is characterized by a high concentration of lakes, natural tanks, and irregular geological features, causing the streams to flow without a well-defined, coordinated network.

The trellis drainage pattern is observed in areas with folded geological structures and alternating bands of hard and soft rocks, where the tributaries meet the main streams at right angles, typically seen in parts of the mountainous and structurally complex terrains of the state.

Explanation

The fisheries development program is effectively implemented through key specialized institutions and infrastructure development.

The Fishery Survey of India is the nodal agency responsible for the survey, exploration, and assessment of marine fishery resources within the Indian Exclusive Economic Zone, providing critical data for sustainable resource exploitation.

The National Fisheries Development Board acts as a dedicated organization to improve fish production, productivity, and modern marketing practices across the country by coordinating diverse fisheries development activities.

The development of fishing harbours provides the essential landing, berthing, and post-harvest infrastructure necessary to support fishers and safely handle the catch, which is vital for the success of any fisheries development program.

Explanation

Intensive subsistence agriculture is typically practiced in areas with extremely high population pressure on land, such as the densely populated regions of monsoon Asia. Due to high population density and traditional laws of inheritance, landholdings are continuously subdivided and fragmented among successive generations, resulting in very small individual farm holdings. Large or vast farm sizes are characteristic of extensive commercial grain cultivation rather than intensive subsistence agriculture, where every small patch of land must be utilized to its maximum potential.

Explanation

According to the final data of the Census 2011, the population density of the top five districts in Maharashtra is as follows:

Mumbai Suburban district ranks first with the highest population density of approximately 20,980 persons per km².

Mumbai City district ranks second with a population density of approximately 19,652 persons per km².

Thane district ranks third with a population density of approximately 1,157 persons per km².

Pune district ranks fourth with a population density of approximately 603 persons per km².

Kolhapur district ranks fifth with a population density of approximately 504 persons per km².

Explanation

Peroxyacetyl nitrate (PAN) is a secondary air pollutant and a crucial component of photochemical smog. It is formed in the atmosphere through photochemical reactions where nitrogen oxides (NOx) and hydrocarbons react under the influence of solar ultraviolet radiation. In these reactions, the oxidation of hydrocarbons produces acylperoxy radicals, which then combine with nitrogen dioxide (NO₂) to form PAN. PAN is highly toxic, causing eye and respiratory irritation, and acts as a reservoir and carrier of nitrogen oxides over long distances.

Explanation

Rice fields are typically flooded during the growing season, which creates anaerobic conditions in the soil. Under these oxygen-depleted conditions, specialized methanogenic bacteria decompose organic matter and produce methane (CH₄) as a byproduct, which is then released into the atmosphere.

The application of nitrogen-based fertilizers in agriculture supplies excess nitrogen to the soil. Soil microorganisms process this nitrogen through the biochemical pathways of nitrification and denitrification. This microbial activity converts the nitrogen compounds, releasing nitrous oxide (N₂O)—a highly potent greenhouse gas—from the soil into the atmosphere.

Explanation

Paleoclimatic proxy indicators provide evidence of past climate variations, demonstrating that Earth's climate undergoes continuous, natural cycles. Tree rings in high-altitude areas are sensitive to temperature and moisture changes, recording seasonal growth patterns over centuries. Glacial advances and retreats leave distinct geological marks such as moraines, documenting major transitions between cold glacial epochs and warm interglacial periods. Sediment deposits in glacial lakes, especially annual layers known as varves, preserve high-resolution archives of seasonal runoff, temperature variations, and precipitation trends. Together, these natural archives offer a comprehensive geological record of the Earth's long-term, dynamic climate history.

Explanation

Biodiversity is generally greater at lower altitudes on mountain slopes because environmental conditions at lower elevations are more stable and favorable, featuring warmer temperatures, higher humidity, and more developed soils. As altitude increases, harsher environmental conditions, such as freezing temperatures, high wind speeds, low atmospheric pressure, and thin soils, severely limit species survival, leading to a progressive decrease in species richness.

Explanation

The System of Air Quality and Weather Forecasting and Research (SAFAR) is a national initiative introduced by the Ministry of Earth Sciences, Government of India, to measure the air quality of metropolitan cities. The system was indigenously developed by the Indian Institute of Tropical Meteorology (IITM), Pune, and is operationalized by the India Meteorological Department (IMD).

The SAFAR system is currently implemented and operational in four major Indian cities: Delhi, Pune, Ahmedabad, and Mumbai. It provides location-specific, near-real-time air quality data and forecasting up to three days in advance. It monitors critical air pollutants like PM2.5, PM10, ozone, carbon monoxide, nitrogen oxides, and sulfur dioxide to inform and raise awareness among the general public.

Explanation

The 'Beti Bachao, Beti Padhao' (Save the Girl Child, Educate the Girl Child) campaign was launched by Prime Minister Narendra Modi on 22 January 2015 at Panipat, Haryana.

This joint initiative of the Ministry of Women and Child Development, the Ministry of Health and Family Welfare, and the Ministry of Education was designed to address the declining Child Sex Ratio (CSR) in India, which had dropped to 918 girls per 1000 boys in the 2011 Census. The primary objectives of the scheme are to prevent gender-biased sex-selective elimination, ensure the survival and protection of the girl child, and promote her education and active participation.

Explanation

Gunnar Myrdal, in his theory of circular cumulative causation, explains that economic growth at a specific core center produces two opposing forces on surrounding, lagging regions: backwash (referred to as backward) effects and spread effects.

Backwash effects are negative impacts that drain capital, skilled labor, and raw materials from underdeveloped regions to the growing center, widening regional inequalities. Spread effects represent positive spillovers, such as technology transfer and increased demand for raw materials and agricultural products, which stimulate growth in backward regions.

Myrdal argues that in an unregulated free market, backwash effects dominate spread effects, leading to persistent and widening regional disparities. Therefore, the government must actively intervene to strengthen and effect the spread effects while neutralizing or minimizing the negative backward effects to achieve balanced regional development.

Explanation

Benjamin Higgins, in his discussion of demographic factors in economic development, argued that population growth acts as a powerful stimulant to investment in developed countries. In these mature economies, a rising population expands the market size and directly drives autonomous investment, which is investment made independently of short-term changes in income or output. This type of population-driven investment is primarily channelled into housing, public transport, schools, and municipal infrastructure to accommodate the growing demographic. Consequently, population growth acts as a motivator for autonomous investment in developed countries, making statement (a) correct.

Explanation

The term asymmetry refers to a lack of equality, balance, or symmetry in a system. In the context of income distribution, excessive asymmetry indicates that wealth is highly concentrated and unevenly distributed. This severe economic imbalance results in a situation where a small group or a handful of individuals hold a disproportionate share of the total resources, while the majority of the population has significantly less.

Explanation

The Poverty Gap Index (PGI) is a key metric used to assess the depth and intensity of poverty. Unlike the headcount ratio, which only counts the percentage of people below the poverty line, the PGI measures the mean distance separating the poor from the poverty line, expressed as a proportion of that line.

Economists Gaurav Datt and Martin Ravallion emphasized that calculating the Poverty Gap Index is essential because it quantifies the minimum resource transfer needed to eliminate poverty. The index represents the aggregate income shortfall of the poor population. Therefore, it indicates the precise amount of income or financial resources required to cover this deficit and bring every poor individual up to the poverty line, assuming perfectly targeted social transfers.

Explanation

Perspective planning is a type of long-term economic planning where long-range targets and goals are set in advance for an extended timeframe of 15, 20, or 25 years. It establishes a broad, comprehensive vision and macro-level objectives for the economy. This framework allows for strategic planning where short-term and medium-term plans (such as five-year plans) can be aligned and integrated to achieve the specified long-term developmental milestones systematically.

Explanation

The nineteenth-century English social critics Thomas Carlyle and John Ruskin strongly criticized the classical wealth-centric definition of economics popularized by Adam Smith. They argued that classical economics focused exclusively on the acquisition of material wealth while ignoring moral values, social welfare, and spiritual well-being. Consequently, they denounced economics as the dismal science and the Gospel of Mammon, which is translated in Indian academic contexts as a science of Kuber worship (the worship of the deity of wealth). This critical stance emphasized that human welfare, rather than mere material accumulation, should be the true focus of social study.

Explanation

Relative poverty is a comparative concept that measures the economic status of an individual or a household in relation to others in the same society. It focuses on income inequality and distribution within a population rather than absolute survival requirements. Therefore, comparing two distinct income groups to identify the lower income group as experiencing poverty directly illustrates the principle of relative poverty.

Explanation

The Employees Provident Funds and Miscellaneous Provisions Act was enacted in 1952. This social welfare legislation was introduced to provide financial security and stability to institutional and industrial workers in India by establishing provident funds, pension funds, and deposit-linked insurance schemes.

Explanation

During the Twelfth Five Year Plan (2012–2017), the Planning Commission of India set the target for the annual rate of price increase (inflation) at 4.5 to 5.0%. Keeping the inflation rate within this moderate range was considered critical for maintaining macroeconomic stability, ensuring the affordability of essential goods and services, and fostering a conducive environment for faster, sustainable, and inclusive economic growth.

Explanation

During the Seventh Five Year Plan (1985–1990), the Energy Sector received the largest share of the public sector outlay, accounting for approximately 30.4% of the planned allocation (and 28.6% of the actual expenditure). This prioritized funding aimed to boost domestic power generation, improve energy infrastructure, and reduce power shortages to sustain the growth of both industrial and agricultural sectors.

Explanation

The Abid Hussain Committee, officially known as the Expert Committee on Small Enterprises, was established by the Government of India in December 1995 under the chairmanship of Dr. Abid Hussain, a former member of the Planning Commission. The committee was specifically tasked with evaluating the problems, policies, and growth opportunities of the small-scale industries sector in India in the context of economic liberalization. It assessed issues related to credit availability, technological challenges, and reservation policies, submitting its report in 1997 with landmark recommendations such as the gradual dereservation of products reserved for small-scale industries to boost their competitiveness.

Explanation

Female education and literacy directly lead to reduced fertility because they enhance a woman's capacity to access, understand, and apply health-related knowledge. Educated women are significantly more receptive to information about modern contraception and family planning methods. This empowers them to make informed, autonomous decisions concerning their reproductive health and family size, directly contributing to a decline in overall fertility rates.

Explanation

Food security in a developing economy is a dynamic concept that progresses through distinct, evolutionary stages of food and nutrition availability. In the initial stage, the primary focus is on ensuring basic human survival by making adequate quantities of food grains available to all. In the second stage, the scope expands to address protein needs by ensuring the adequate availability of both food grains and pulses. The third stage incorporates essential micronutrients and calcium by including milk and vegetables alongside grains and pulses. In the final and most comprehensive stage, food security evolves into complete nutritional security, ensuring adequate access to a fully diversified diet that includes food grains, pulses, dairy products, vegetables, fruits, meat, and fish to support an active and healthy life.

Explanation

Human development is heavily dependent on reliable and affordable energy, which is essential for improving living standards, healthcare, education, and economic productivity. In policy decision-making, especially in developing regions, the immediate necessity of generating energy to foster human well-being and alleviate poverty has historically been prioritized over the long-term impacts of environmental degradation. Consequently, human-centric progress often takes precedence in energy generation strategies, highlighting the ongoing global challenge of balancing human advancement with environmental sustainability.

Explanation

Wien's displacement law states that the wavelength of maximum emission λ_max is inversely proportional to the absolute temperature T:

λ_max = b / T

Here, b is Wien's displacement constant, approximately equal to 2.898 × 10⁶ nm K, and T is the absolute temperature of the body.

Substituting T = 300 K into the formula:

λ_max = (2.898 × 10⁶ nm K) / 300 K λ_max = 9660 nm

This peak wavelength of 9660 nm lies in the infrared region of the spectrum, representing the major contribution of thermal radiation emitted by a body at room temperature. The value of 9550 nm represents this dominant emitted wavelength.

Explanation

Sound waves are mechanical longitudinal waves that require a material medium such as a solid, liquid, or gas to propagate. They travel through the successive compressions and rarefactions of the particles of the medium, meaning sound cannot travel through a vacuum.

The frequency of a sound wave refers to the number of vibrations or cycles per second. The standard unit of frequency is Hertz (Hz).

Loudness represents the human perception of the intensity of sound, which is directly proportional to the square of the amplitude of the sound wave. The level of loudness is measured and expressed in decibel (dB) units.

Explanation

Neutrons are neutral subatomic particles found in the nucleus of an atom and carry a net electric charge of zero. Unlike protons, which have a positive charge, and electrons, which have a negative charge, neutrons do not possess any charge. Therefore, statement (IV) is incorrect, making only (IV) the wrong sentence.

Explanation

Bernoulli's equation, which describes the conservation of energy for flowing fluids, forms the theoretical basis for the working of aspirator pumps, venturi pumps, and the determination of the speed of efflux (Torricelli's law). An aspirator pump uses a high-velocity fluid jet to create a low-pressure region that draws in another fluid. A venturi pump relies on the pressure drop created when a fluid is forced through a constricted section of a pipe. The speed of efflux is derived directly from Bernoulli's equation to relate the velocity of a fluid discharging from an opening to the height of the fluid column. Since all these phenomena are valid applications of the Bernoulli equation, the correct choice is none of the above.

Explanation

When a particle is thrown vertically upward, it is in a state of free fall under the sole influence of gravity. Throughout its entire motion, a constant gravitational force acts downwards on the particle. At the highest point of its trajectory, the velocity of the particle momentarily becomes zero as it reverses its direction of motion. According to Newton's second law of motion, force equals mass times acceleration (F = ma). Since the net force acting on the particle at this peak is its weight (F = mg), the acceleration is equal to the acceleration due to gravity (a = g), directed vertically downwards.

Explanation

X-ray diffraction is the primary technique used to study the crystal structure of materials because the wavelength of X-rays, typically ranging from 0.01 to 10 nanometers, is of the same order of magnitude as the interatomic spacing (about 0.1 to 0.3 nanometers) in a crystal lattice. When a beam of X-rays strikes a crystal, the regularly spaced atoms scatter the waves, producing constructive interference and a distinct diffraction pattern. This phenomenon is governed by Bragg's Law:

2d sin θ = nλ

In this relation, d is the interplanar distance, θ is the angle of incidence, n is an integer, and λ is the wavelength of the electromagnetic radiation. By analyzing the angles and intensities of these diffracted beams, researchers can construct a three-dimensional picture of the electron density and determine the precise positions of atoms within the crystal.

Explanation

Bryophytes are referred to as the amphibians of the plant kingdom because, like terrestrial amphibians, they occupy a transitional zone between aquatic and terrestrial habitats. While they live on land and grow in moist, shady, and damp soils, they are entirely dependent on water for sexual reproduction. The flagellated male gametes (antherozoids) require an external film of water to swim to the female reproductive organ (archegonium) to facilitate fertilization.

Explanation

DNA consists of two long polynucleotide chains coiled in a right-handed double helix around a common central axis. Each nucleotide in these chains is composed of a nitrogenous base, a deoxyribose sugar, and a phosphate group. The two strands are complementary to each other because of specific hydrogen bonding between the nitrogenous bases of opposite strands, where Adenine always pairs with Thymine via two hydrogen bonds, and Cytosine always pairs with Guanine via three hydrogen bonds.

Explanation

The cell theory was originally formulated by Matthias Schleiden (1838) and Theodor Schwann (1839). Their classical theory established that all living organisms are composed of one or more cells, that cells share basic similarities in their chemical composition and metabolic functions, and that the overall activity of an organism is the result of the collective activities and interactions of its individual cells.

However, Schleiden and Schwann did not know how new cells were formed; they incorrectly believed that cells formed spontaneously through a process resembling crystallization. The tenet that new cells are formed from pre-existing cells through cell division was contributed later by Rudolf Virchow in 1855 under the principle of omnis cellula e cellula. Therefore, statement (b) is not attributed to Schleiden and Schwann's original cell theory.

Explanation

Leaf Blight of wheat is primarily caused by the fungal pathogen Alternaria triticina. First identified in India, this seed-borne and wind-disseminated pathogen causes reddish-brown, oval necrotic lesions on the leaves, typically starting from the lower foliage and progressing upwards. Under favourable warm and humid conditions, these lesions enlarge and coalesce, causing the leaves to dry up and shrivel, which significantly reduces the photosynthetic area and leads to substantial yield losses.

Explanation

Torpedo, Pristis, Hippocampus, and Anabas all belong to the class or superclass Pisces, as they are all aquatic, gill-breathing, and fin-bearing jawed vertebrates. Torpedo, commonly known as the electric ray, and Pristis, the sawfish, are cartilaginous fishes belonging to the class Chondrichthyes. Hippocampus, commonly known as the seahorse, and Anabas, the climbing perch, are bony fishes belonging to the class Osteichthyes. Under standard and traditional biological classification, all of these organisms are grouped together under the single major fish category, Pisces.

Explanation

Heroin, chemically known as diacetylmorphine, is a highly addictive semi-synthetic opioid synthesized from morphine. Morphine is a naturally occurring alkaloid extracted from the milky latex found in the unripe seed pods of the opium poppy plant, scientifically named Papaver somniferum. This raw latex is harvested, dried, and processed to isolate morphine, which then undergoes chemical acetylation to produce heroin.

Explanation

Irregular bones are classified by their complex, peculiar shapes that do not fit into any other category such as long, short, flat, or sesamoid bones. They typically consist of cancellous tissue enclosed within a thin layer of compact bone and serve specialized functions like protecting internal organs and providing attachment points for muscles. Both the vertebrae, which protect the spinal cord, and the facial bones, which form the structure of the face and protect sensory organs, are classic examples of irregular bones.

Explanation

The anatomical parts of the fore limb and hind limb show a clear pattern of homology and general resemblance.

The shoulder joint corresponds to the hip joint because both are synovial ball-and-socket joints connecting the limbs to the pectoral and pelvic girdles.

The humerus corresponds to the femur since both are the single, long bones forming the proximal segment of the upper and lower limbs respectively.

The elbow corresponds to the knee because both function as major hinge joints of the limbs.

The radio-ulna corresponds to the tibio-fibula as both constitute the pair of bones in the middle segment of the limbs.

Explanation

Lime water is a solution of calcium hydroxide, which is basic in nature. The excessive use of chemical fertilizers increases the acidity of the soil, making it unfavorable for plant growth. To restore the soil's pH balance, an alkaline substance like lime water is added. The base reacts with the excess acids in the soil to neutralize them, bringing the soil pH closer to neutral and improving its fertility.

Explanation

Gold (Au) and silver (Ag) are extracted from their ores using a hydrometallurgical method known as the MacArthur-Forrest process (or cyanide process). In this process, the powdered ore is treated with a dilute solution of sodium cyanide (NaCN) or potassium cyanide (KCN) in the presence of atmospheric oxygen. Gold and silver dissolve to form soluble cyano complexes, while the impurities remain insoluble:

4Au + 8NaCN + 2H₂O + O₂ → 4Na[Au(CN)₂] + 4NaOH

4Ag + 8NaCN + 2H₂O + O₂ → 4Na[Ag(CN)₂] + 4NaOH

The metals are then recovered from these soluble coordination complexes by a displacement reaction using a more reactive metal like zinc (Zn):

2Na[Au(CN)₂] + Zn → Na₂[Zn(CN)₄] + 2Au

2Na[Ag(CN)₂] + Zn → Na₂[Zn(CN)₄] + 2Ag

Explanation

The iodine value, also known as the iodine number, is the mass of iodine in grams absorbed by 100 grams of a fat or oil. It is directly used to measure the degree of unsaturation in lipids. Unsaturated fatty acids contain carbon-carbon double bonds that react with iodine through an addition reaction. Because each double bond adds two halogen atoms, the amount of iodine consumed is directly proportional to the number of double bonds, meaning a higher iodine value indicates a greater degree of unsaturation in the substance.

Explanation

The chemical reaction represents a decomposition reaction because a single reactant, potassium chlorate (KClO₃), breaks down upon heating (represented by the symbol Δ) to form two simpler products, potassium chloride (KCl) and oxygen gas (O₂). Since this decomposition is initiated by the absorption of thermal energy, it is classified as a thermal decomposition reaction.

Explanation

According to the rate law of chemical kinetics, the rate of a chemical reaction is directly proportional to the concentration of the reactants raised to the power of their respective reaction orders. Increasing the concentration of reactants increases the number of reacting particles per unit volume, which leads to a higher frequency of successful collisions and consequently increases the rate of the reaction.

Additionally, the rate of a chemical reaction increases with an increase in temperature. According to the Arrhenius equation, k = Ae⁽-E_a/RT), where k is the rate constant, A is the pre-exponential factor, E_a is the activation energy, R is the gas constant, and T is the absolute temperature. As temperature increases, the fraction of molecules possessing kinetic energy greater than or equal to the activation energy increases exponentially, resulting in a higher rate of effective collisions and an accelerated reaction rate.

Explanation

Deuterium is called heavy hydrogen because its nucleus contains one proton and one neutron, giving it an atomic mass of approximately 2. This makes it twice as heavy as ordinary hydrogen (protium). It is represented by the chemical symbol D or ²H and is key to forming heavy water (D₂O), which is utilized as a neutron moderator in nuclear reactors.

Explanation

The National Commission for Women was established as a statutory body in January 1992 under the National Commission for Women Act, 1990.

The National Commission for Minorities was set up as a statutory body under the National Commission for Minorities Act, 1992.

Explanation

The 69th Constitutional Amendment Act of 1991 designated the Union Territory of Delhi as the National Capital Territory of Delhi. This amendment inserted Article 239AA and Article 239AB into the Constitution of India, which established a Legislative Assembly and a Council of Ministers for Delhi, providing the capital territory with a framework for democratic governance.

Explanation

The Indian Constitution establishes a dual polity but provides for only a single citizenship for the entire country, ensuring uniform rights for all citizens irrespective of the state they reside in. The Parliament of India enacted the Citizenship Act in 1955 to comprehensively govern the acquisition, determination, and termination of Indian citizenship. While citizenship is governed by Part II of the Constitution from Article 5 to Article 11, Part IV is dedicated to the Directive Principles of State Policy.

Explanation

Article 267(1) of the Constitution of India provides for the establishment of the Contingency Fund of India. It explicitly states that this fund is placed at the disposal of the President of India to enable advances to be made for meeting unforeseen expenditure pending authorization of such expenditure by Parliament. The Secretary to the Government of India in the Ministry of Finance holds and administers this fund on behalf of the President.

Explanation

The 13-judge bench of the Supreme Court in Kesavananda Bharati v. State of Kerala (1973) outlined the basic structure doctrine with a 7-6 majority, where Chief Justice S.M. Sikri headed the bench rather than A.N. Ray. This landmark decision overruled the previous Golaknath case (1967), which had declared that Parliament had no power to amend fundamental rights. By introducing the basic structure doctrine—a concept not explicitly mentioned anywhere in the text of the Indian Constitution—the judiciary actively limited the amending power of Parliament under Article 368, making this case a prominent instance of judicial activism.

Explanation

The Tenth Constitutional Amendment Act of 1961 incorporated Dadra and Nagar Haveli into the Union of India as a Union Territory.

The Twenty-Second Constitutional Amendment Act of 1969 amended the Constitution to enable the creation of an autonomous state of Meghalaya within the state of Assam.

Explanation

Article 148 of the Constitution of India establishes the independent office of the Comptroller and Auditor General of India (CAG). As the head of the Indian Audit and Accounts Department, the CAG serves as the guardian of the public purse and controls the entire financial system of the country at both the Central and State levels. The CAG is appointed by the President of India by warrant under his hand and seal, and can only be removed from office in a manner and on grounds similar to a Judge of the Supreme Court of India.

Explanation

The Indian Constitution establishes a secular state where the state avoids giving preferential treatment to any particular religion and instead treats all religions equally with equal respect and protection, a concept often described as Sarva Dharma Sambhava. This is supported by Articles 25 to 28 of the Constitution, which guarantee the fundamental right to freedom of religion, ensuring that freedom of faith, conscience, and worship is allowed to all people.

Explanation

Part XV of the Constitution of India, which encompasses Articles 324 to 329, contains the provisions regarding elections and the electoral system in India. Article 324 vests the superintendence, direction, and control of elections in the Election Commission of India. Article 325 mandates a single general electoral roll for every territorial constituency, ensuring no discrimination on grounds of religion, race, caste, or sex. Article 326 establishes universal adult suffrage, granting the right to vote to all citizens aged eighteen and above. The subsequent articles govern the power of Parliament and State Legislatures to make provisions regarding elections and place a bar on the interference of courts in electoral matters.

Explanation

The First Lok Sabha was constituted on 17 April 1952, following India's first general elections which were held from 25 October 1951 to 21 February 1952.

The first session of this Lok Sabha commenced on 13 May 1952.

The First Lok Sabha was dissolved on 4 April 1957, rather than 1 April 1957.

Shri G.V. Mavalankar served as the first Speaker of the Lok Sabha, while the first Deputy Speaker was Shri M. Ananthasayanam Ayyangar.

Explanation

Under Section 12(3) of the Right to Information Act, 2005, the Chief Information Commissioner and the Information Commissioners are appointed by the President of India on the recommendation of a three-member committee. This high-level committee comprises the Prime Minister as the Chairperson, the Leader of Opposition in the Lok Sabha, and a Union Cabinet Minister nominated by the Prime Minister. If there is no recognized Leader of Opposition in the Lok Sabha, the leader of the single largest opposition group in the Lok Sabha is included in the committee.

Explanation

Under Section 12(2) of the Right to Information Act, 2005, the Central Information Commission is constituted with the Chief Information Commissioner and a maximum of ten Central Information Commissioners. These members are appointed by the President of India on the recommendation of a committee consisting of the Prime Minister as Chairperson, the Leader of the Opposition in the Lok Sabha, and a Union Cabinet Minister nominated by the Prime Minister.

Explanation

The National Calendar of India, which is based on the Saka Era with Chaitra as its first month, was officially adopted by the Government of India on March 22, 1957 (corresponding to Chaitra 1, 1879 Saka) rather than January 25, 1950.

Explanation

The S. R. Bommai v. Union of India case (1994) is a landmark judgment of the Supreme Court of India that restricted the arbitrary misuse of Article 356 regarding the imposition of President's Rule.

The Supreme Court delivered this historic judgment on March 11, 1994, establishing that a proclamation of President's Rule is subject to judicial review. Consequently, affected state governments can appeal to the Supreme Court to challenge the validity of the proclamation.

If the Supreme Court finds that the President's Rule was imposed without valid reasons, or on mala fide or irrelevant grounds, it has the power to quash the decision of the Central Government. In such cases, the court can also restore the dismissed state government and reactivate the legislative assembly.

Furthermore, the judgment ruled that the President can only suspend the State Legislative Assembly initially. The assembly cannot be dissolved until both Houses of Parliament approve the proclamation of President's Rule.

Explanation

Article 226 of the Constitution of India empowers the High Courts to issue directions, orders, or writs, including writs in the nature of habeas corpus, mandamus, prohibition, quo warranto, and certiorari, for the enforcement of the Fundamental Rights guaranteed by Part III of the Constitution, as well as for any other purpose. This constitutional provision vests the High Courts with a broad power of judicial review to protect the rights of citizens and ensure the accountability of state authorities within their respective territorial jurisdictions.

Explanation

The correct matching of the committees with their respective mandates is:

(a) Dr. Nitin Karmalkar Committee – (i) This steering committee/task force, headed by Dr. Nitin Karmalkar, was established to look into and streamline the implementation of the National Education Policy (NEP) 2020 across higher education institutions in Maharashtra.

(b) Nitin Karir Committee – (ii) This committee was appointed to investigate the tragic heatstroke incident that took place during the Maharashtra Bhushan Award distribution ceremony in Kharghar.

(c) Sunil Pawar Committee – (iii) This committee, led by the former Director of Marketing Sunil Pawar, was constituted to examine the sudden crash in onion prices and recommend solutions like e-auctions and export promotions to assist farmers.

(d) Dr. K. Kasturirangan Committee – (iv) Led by eminent scientist Dr. K. Kasturirangan, this committee drafted the National Education Policy (NEP) 2020, which restructured the entire educational syllabus framework from pre-primary (foundational stage) up to degree levels.

Explanation

M. S. Swaminathan was born on 7 August 1925 in Kumbakonam, Tamil Nadu, making him a resident of Tamil Nadu (a).

He was educated at the University of Kerala, the University of Madras, and completed his PhD in genetics from the University of Cambridge, not Oxford University (b).

As a highly distinguished agricultural scientist, he made monumental contributions to Indian agriculture, leading the Indian Agricultural Research Institute (IARI) and the Indian Council of Agricultural Research (ICAR), serving under the Department of Agricultural Research and Education (c).

He served as a nominated Member of Parliament in the Rajya Sabha from 2007 to 2013 (d).

In recognition of his community leadership and work during the early years of the Green Revolution, he was awarded the Ramon Magsaysay Award in 1971 (e).

Explanation

The design of the Rajya Sabha in the new Parliament building is based on the theme of India's national flower, the lotus, incorporating its motifs and red/pink tones throughout the chamber.

The new Parliament building was inaugurated on 28th May, 2023 by Prime Minister Narendra Modi.

The Lok Sabha chamber is designed based on the theme of the national bird, the peacock, rather than the national animal. The historic golden sceptre known as the Sengol, rather than the Ashok Chakra, is installed next to the seat of the Lok Sabha Speaker.

Explanation

The Mukhyamantri Sampoorna Pushti Yojana is a flagship initiative of the Odisha government launched to transform nutritional outcomes in the state. The primary objective of the scheme is to improve maternal and child nutrition by comprehensively addressing malnutrition among vulnerable groups. It specifically targets adolescent girls aged 15 to 19 years, pregnant women, lactating mothers, and severely underweight children under six years of age. Through this program, beneficiaries receive supplementary nutrition, specialized take-home rations, and dietary counseling to ensure improved health and well-being.

Explanation

The Five Eyes is an intelligence alliance comprising five English-speaking countries: Australia, Canada, New Zealand, the United Kingdom (Britain), and the United States (America). It originated from the UKUSA Agreement signed after World War II to cooperate in sharing signals intelligence. Therefore, America, Britain, New Zealand, and Australia are all part of this multilateral alliance.

Explanation

For the year 2024, the President of India approved the conferment of 132 Padma Awards, which includes 5 Padma Vibhushan, 17 Padma Bhushan, and 110 Padma Shri awards. This makes statement (c) correct. Among the 132 total awardees, 30 of the recipients are women, which makes statement (a) correct.

Explanation

Mahamaya Prasad Sinha was the first non-Congress Chief Minister of Bihar, leading the state from March 1967 to January 1968. Karpoori Thakur served as the Deputy Chief Minister in that first non-Congress government and became the Chief Minister of the state for the first time later, from December 1970 to June 1971.

Explanation

PROPOSED:3

Statement (a) is correct because the Chief Minister Solar Agricultural Channel Scheme (Mukhyamantri Saur Krishi Vahini Yojana) was officially launched in Maharashtra on June 14, 2017, during the tenure of Chief Minister Devendra Fadnavis.

Statement (b) is correct because the primary purpose of this scheme is to ensure a reliable and uninterrupted supply of electricity during the day to farmers by solarizing agricultural feeders.

Statement (c) is incorrect because the official land lease rent determined by the government is ₹1,25,000 per hectare per year (or 6% of the ready reckoner rate, whichever is higher) under MSKVY 2.0, rather than ₹50,000 per acre.

Statement (d) is incorrect because the decentralized solar projects of 0.5 MW to 25 MW capacity are designed to be set up within a 5 to 10 km radius of 33/11 kV substations on both private and government lands, rather than exclusively on government land.

Explanation

The European Space Agency (ESA) provides crucial deep-space communication services and ground station support to assist India in tracking, commanding, and receiving data from the Aditya-L1 solar mission. This assistance is delivered via ESA's global network of ground stations (ESTRACK). Specifically, ESA utilizes its three 35-meter deep-space antennas located in New Norcia (Australia), Cebreros (Spain), and Malargüe (Argentina), as well as support from the Kourou station in French Guiana and the Goonhilly Earth Station in the UK, to maintain continuous communication with the spacecraft throughout its journey to and orbit around the Lagrangian point 1 (L1).

Explanation

Operation Ajay was launched by the Government of India in 2023 to facilitate the safe return of Indian citizens from Israel during the escalation of the conflict.

Operation Ganga was an evacuation mission conducted in 2022 to rescue Indian nationals, primarily students, from Ukraine following the Russian invasion.

Operation Devishakti was executed by the Indian Armed Forces in 2021 to evacuate Indian citizens and foreign nationals from Afghanistan after the takeover of Kabul by the Taliban.

Operation Kaveri was initiated in 2023 to safely rescue Indian citizens stranded in Sudan during the armed conflict between the Sudanese military and paramilitary forces.

Explanation

The Constitution (One Hundred and Twenty-Eighth Amendment) Bill, 2023, officially titled the Nari Shakti Vandan Adhiniyam, is a landmark bill introduced in the Parliament of India. It holds the historic distinction of being the first legislation to be introduced, considered, and passed in the newly inaugurated Parliament building during the special session of Parliament in September 2023.

Explanation

Statement (a) is correct because the 19th Asian Games 2023 were hosted in Hangzhou, China, from September 23 to October 8, 2023.

Statement (b) is incorrect because Lovlina Borgohain is an Olympic medal-winning boxer, not a shooter. She and Indian men's hockey team captain Harmanpreet Singh served as the joint flag bearers for India during the opening ceremony.

Statement (c) is correct because India finished in the 4th position in the overall medal standings, securing 28 gold medals.

Statement (d) is correct because India won a historic total of 107 medals, which included 28 gold, 38 silver, and 41 bronze medals.

Explanation

The Bar Council of India's 'International Lawyers Conference 2023' was inaugurated by Prime Minister Narendra Modi at Vigyan Bhawan in New Delhi on September 23, 2023. The conference was organized under the theme 'Emerging Challenges in the Justice Delivery System' to discuss international legal solutions, technology in law, and cross-border disputes.

Explanation

In the 2023 Global Hunger Index, India ranked 111th out of 125 countries. India scored 28.7 on the index, which categorizes its hunger level as serious. The Global Hunger Index measures and tracks hunger globally, regionally, and nationally based on four key indicators: undernourishment, child wasting, child stunting, and child mortality.

Explanation

Statement (a) is correct because the Nobel Peace Prize for 2023 was awarded to Narges Mohammadi in recognition of her tireless fight against the oppression of women in Iran and her struggle to promote human rights and freedom for all.

Statement (b) is correct as she has spent decades advocating as a prominent champion of equality, civil liberties, and women's rights in Iran, which has resulted in her facing multiple arrests and continuous imprisonment.

Statement (c) is correct because she joined the Defenders of Human Rights Center (DHRC), an organization founded by fellow Nobel Peace Prize laureate Shirin Ebadi, and subsequently became its deputy director and spokesperson.