SSC CGL Tier 1 2014 General Awareness Questions with Solutions

Explanation

The Modern Theory of Rent, advocated by economists like Joan Robinson and Pareto, defines rent as the difference between the actual earnings of a factor of production and its transfer earnings. Transfer earnings represent the minimum amount required to keep a factor in its current employment, often viewed as its opportunity cost. Unlike the classical Ricardian theory which limited rent specifically to land, the modern approach treats rent as a generalized surplus that can accrue to any factor of production—land, labour, capital, or entrepreneurship. This surplus arises whenever the supply of a factor is less than perfectly elastic. Because the supply of any factor can be scarce or inelastic in the short or long run, any factor that receives a payment in excess of what is needed to keep it in its current use is said to earn economic rent.

Explanation

John Maynard Keynes authored the landmark book The General Theory of Employment, Interest and Money, published in 1936. This work is considered the cornerstone of modern macroeconomics as it shifted the focus of economic analysis from individual market mechanisms to aggregate variables such as total national income, output, and employment. Keynesian theory emerged largely as a response to the Great Depression, providing a framework to understand how aggregate demand influences the overall level of economic activity and justifying the role of government fiscal policy in stabilizing the economy. This departure from classical economic thought established macroeconomics as a distinct and primary field of study.

Explanation

Macroeconomics is fundamentally the study of the economy as a whole, focusing on aggregate variables rather than individual markets. It is frequently referred to as the Theory of Income and Employment because its primary objective is to explain how the total level of national income is determined and what causes it to fluctuate. The production of income, which represents the total value of all goods and services produced within an economy, is the central concern because it dictates the overall economic well-being, growth rates, and the level of resource utilization. By analyzing the factors that drive the production of income, macroeconomics provides the framework for understanding economic stability and expansion.

Explanation

The Union List, or List I, is one of the three lists provided in the Seventh Schedule of the Constitution of India. It originally contained 97 subjects, which are matters of national importance requiring a uniform law across the country. The Parliament of India has exclusive power to legislate on any of the subjects enumerated in this list, as per Article 246 of the Constitution. These subjects include vital areas such as national defense, foreign affairs, banking, railways, post and telegraph, and currency. Although constitutional amendments have since added new entries and modified existing ones, the last numbered item in the Union List remains 97.

Explanation

Joseph Francois Dupleix, who became the Governor of Pondicherry in 1742, was the primary architect of French political ambitions in India. He moved beyond simple commercial interests to pursue territorial and political dominance by intervening in the internal succession disputes of Indian states like Hyderabad and the Carnatic. By providing military support to local claimants in exchange for land and revenue, he pioneered the strategy of subsidiary alliances and sought to transform the French East India Company into a sovereign power. His efforts were aimed at neutralizing British influence and establishing a French empire in the Indian subcontinent.

Explanation

Baji Rao I, who served as Peshwa from 1720 to 1740, is widely regarded as the most powerful and influential leader of the Maratha Empire after Chhatrapati Shivaji Maharaj. Appointed by Chhatrapati Shahu at the young age of twenty, he was a brilliant military strategist and a proponent of the concept of Hindu Pad Padshahi. Baji Rao I is celebrated for never losing a single battle in his military career, which spanned over forty engagements. His most significant achievement was the expansion of Maratha influence into Northern India, capturing territories in Malwa, Gujarat, and Bundelkhand. By defeating the Nizam-ul-Mulk at the Battle of Palkhed and reaching the outskirts of Delhi, he transformed the Maratha state from a kingdom into a dominant continental empire, effectively signaling the decline of Mughal authority.

Explanation

Democratic Socialism is a political ideology that advocates for the establishment of a socialist economy and society through the framework of democratic institutions. It emphasizes the use of parliamentary methods, free and fair elections, and constitutional reforms to achieve social and economic justice. Unlike revolutionary models that seek a sudden overthrow of the state, democratic socialism relies on public consensus and the evolutionary transformation of society within a pluralistic political system. This approach aims to reconcile socialist goals, such as the reduction of wealth inequality and the expansion of social welfare, with the preservation of individual liberties and the rule of law. In the Indian context, the commitment to democratic socialism is reflected in the Preamble and the Directive Principles of State Policy, which seek to achieve egalitarian ends through democratic means.

Explanation

The United States of America is a prominent example of a two-party system, where the political landscape is dominated by two major parties: the Democratic Party and the Republican Party. This system ensures that one of the two parties usually holds a majority in the legislature and typically wins the executive office. The structure is largely maintained by the first-past-the-post or winner-take-all electoral system, which incentivizes voters to support one of the two main contenders to avoid splitting the vote. As a result, these two parties have historically rotated in power, shaping the country's policy and governance for over a century.

Explanation

Under Article 124(2) of the Constitution of India, every Judge of the Supreme Court, including the Chief Justice of India, is appointed by the President by warrant under his hand and seal. The President typically appoints the senior-most judge of the Supreme Court to the office of the Chief Justice of India, following a convention that was solidified by the Supreme Court's rulings in the Judges Cases. This executive power of the President is exercised on the advice of the Union Cabinet and after consultation with such judges of the Supreme Court and the High Courts as the President deems necessary for the purpose.

Explanation

Rugae are the longitudinal folds or ridges found in the mucous membrane lining of the stomach. These folds are most prominent when the stomach is empty and in a contracted state. The primary physiological function of rugae is to provide the stomach with the capacity to expand and distend. When food and liquids enter the stomach, these folds flatten out, allowing the organ to increase its internal volume and surface area significantly without an increase in internal pressure or damage to the gastric wall.

Explanation

The First Anglo-Mysore War concluded with the Treaty of Madras, signed on April 4, 1769. After several years of shifting alliances and military engagements, Hyder Ali outmaneuvered the British forces and made a sudden, rapid march with his cavalry to the outskirts of Madras. This forced the Madras Council to sue for peace. The treaty was based on the principle of mutual restitution of conquests, meaning both parties returned the territories captured during the war. A crucial provision of the treaty was a defensive alliance, whereby the British promised to assist Hyder Ali if he were attacked by any other power, specifically targeting potential aggression from the Marathas.

Explanation

The Regulating Act of 1773 was the first initiative taken by the British Government to monitor and regulate the activities of the East India Company in India. It recognized the political and administrative functions of the Company for the first time and laid the foundation for a centralized administration. Under this act, the Governor of Bengal was redesignated as the Governor-General of Bengal, and an Executive Council of four members was created to assist him. It also paved the way for the establishment of a Supreme Court at Fort William in Calcutta in 1774, consisting of a Chief Justice and three other judges.

Explanation

The Battle of Chausa was fought on June 26, 1539, between the Mughal Emperor Humayun and the Afghan leader Sher Shah Suri. Sher Shah employed superior tactics and launched a surprise attack on the Mughal camp at Chausa, located near Buxar. The defeat was a major setback for Humayun, who barely escaped with his life by crossing the Ganges. This decisive victory enabled Sher Shah to take control of the Bengal region, including its capital Gaur, and paved the way for him to establish the Suri Empire after further defeating Humayun at Kanauj the following year.

Explanation

Laterite soil is formed in tropical and subtropical regions with high temperature and heavy seasonal rainfall. The process of intense leaching, known as desilication, washes away vital plant nutrients and silica, leaving behind a soil rich in iron and aluminum oxides. This leaching process results in a significant deficiency of organic matter, nitrogen, phosphate, and calcium. Consequently, laterite soils are acidic and naturally low in fertility, often requiring heavy applications of fertilizers and manures to support agricultural production.

Explanation

Marble is classified as a metamorphic rock, which is formed when pre-existing limestone or dolomite is subjected to intense heat and pressure within the Earth's crust. This process, known as metamorphism, causes the original sedimentary minerals to recrystallize into a denser, crystalline structure. In contrast, shale, limestone, and sandstone are all sedimentary rocks, which are formed by the accumulation and lithification of mineral particles or organic matter at the Earth's surface. Marble is the only rock in the list that has undergone this secondary transformation.

Explanation

The primary limiting factor for plant growth in desert ecosystems is the scarcity of moisture. Vegetation requires water for essential physiological processes, including photosynthesis and the transport of nutrients from the soil. Deserts are climatologically defined by their aridity, characterized by extremely low annual precipitation, typically less than 250 mm. This chronic water shortage creates a negative water balance where potential evapotranspiration significantly exceeds actual rainfall. In such environments, the soil remains too dry to sustain the metabolic requirements of most plant life, resulting in the characteristic lack of vegetation seen in arid regions.

Explanation

Khadar represents the new alluvial soil found in river floodplains, which is replenished annually by fresh silt deposits during floods. In soil geography, alluvial soils are classified as Azonal soils because they are formed by the depositional work of rivers and lack the well-developed, distinct horizons found in mature soils. Zonal soils are those that have developed clear profiles over a long duration under the dominant influence of regional climate and vegetation. Since Khadar is a young, transported soil whose properties are determined by recent sedimentation rather than long-term climatic weathering in situ, it is categorized as Azonal.

Explanation

The Sirocco is a warm, dry, and dust-laden local wind that originates in the Sahara Desert of North Africa. It is primarily driven by the movement of low-pressure systems across the Mediterranean Sea, which pull the hot air from the desert northward. As this wind travels from the Sahara across the Mediterranean, it picks up significant moisture, leading to humid and oppressive conditions by the time it reaches Southern Europe. This wind is known for carrying fine Saharan dust over long distances, sometimes resulting in red-tinted rain, often called blood rain, in regions like Italy and Greece. In its desert origin, it is characterized by extremely high temperatures and very low humidity.

Explanation

Abiotic factors are the non-living physical and chemical components of an ecosystem that influence the survival and reproduction of living organisms. Moisture, representing the presence of water in the air or soil, is a fundamental abiotic element. It acts as a solvent for nutrients, regulates temperature through evaporation, and is essential for the physiological processes of all life forms. Unlike biotic factors, which consist of living entities, moisture is a climatic variable that shapes the habitat and determines the distribution of various species within an environment.

Explanation

Bulliform cells, also known as motor cells, are large, bubble-shaped epidermal cells found on the upper surface of the leaves of many grasses. These specialized cells facilitate the folding and unfolding of leaves as a response to water availability. When the plant has sufficient water, bulliform cells absorb it and become turgid, causing the leaf surface to unfold and remain open. During periods of water stress or drought, these cells lose water and become flaccid. This change in turgor pressure causes the leaves to curl or roll inward, which reduces the surface area exposed to the air and significantly lowers the rate of transpiration, helping the plant conserve moisture.

Explanation

The pleura is a serous membrane that forms a protective envelope around the lungs within the thoracic cavity. It is composed of two distinct layers: the visceral pleura, which adheres closely to the lung parenchyma, and the parietal pleura, which lines the inner thoracic cage and the diaphragm. These layers create a potential space known as the pleural cavity, which is filled with a small volume of serous fluid. This anatomical arrangement serves to reduce friction between the lungs and the chest wall during inhalation and exhalation, while the surface tension of the pleural fluid ensures that the lungs remain expanded and move in coordination with the movements of the thoracic cage.

Explanation

The Duck-billed platypus is a member of the order Monotremata, which represents a unique group of mammals known as monotremes. Unlike most mammals that give birth to live young, monotremes are oviparous, meaning they lay leathery-shelled eggs similar to those of reptiles. Despite this reptilian reproductive trait, the platypus is classified as a mammal because it possesses fur and mammary glands. Although it lacks nipples, the female secretes milk from specialized sweat glands onto her abdomen, which the hatchlings then lap up. This species is endemic to eastern Australia and Tasmania and serves as a primary example of the evolutionary diversity within the class Mammalia.

Explanation

In a nuclear reactor, a moderator is used to decrease the speed of fast neutrons to thermal levels, where they are more likely to cause further fission in the fuel. Ordinary water is highly effective for this purpose because it contains a high density of hydrogen nuclei. Since the mass of a proton in a hydrogen atom is approximately equal to that of a neutron, neutrons lose a significant amount of kinetic energy through elastic collisions with these protons. This process of thermalization ensures the maintenance of a steady chain reaction. Ordinary water is the standard moderator used in the majority of the world's commercial nuclear power plants, including Pressurized Water Reactors and Boiling Water Reactors.

Explanation

A solar eclipse occurs during the New Moon phase when the Moon moves into a position directly between the Sun and the Earth. This alignment, technically referred to as syzygy, allows the Moon to obstruct the Sun's light, casting its shadow onto the Earth's surface. Observers located within the Moon's umbra experience a total eclipse, while those in the penumbra see a partial eclipse. This phenomenon only happens when the Moon is near the nodes of its orbit, where the lunar orbital plane intersects the ecliptic plane of the Earth's orbit.

Explanation

Buffering is a fundamental function of an Input/Output controller designed to handle the speed mismatch between the high-speed central processing unit and relatively slow peripheral devices. It involves the use of a temporary storage area, known as a buffer, to hold data while it is being transferred between two locations. By staging data in the controller logic, the system can collect bits or bytes into larger blocks before sending them to memory, or hold output data until the peripheral device is ready to receive it. This process prevents the CPU from being tied up waiting for slow I/O operations, thereby optimizing the data transfer rate and improving overall system efficiency.

Explanation

BIOS stands for Basic Input Output System. It is the primary firmware used to perform hardware initialization during the booting process, also known as the Power-On Self-Test (POST), and to provide runtime services for operating systems and programs. Stored on a non-volatile memory chip on the motherboard, the BIOS acts as the fundamental interface between the computer hardware and the operating system, ensuring that all peripheral devices such as the keyboard, monitor, and disk drives are functioning correctly before the system hands over control to the software.

Explanation

A photovoltaic cell is a semiconductor device that converts light energy directly into electrical energy through the photovoltaic effect. When photons from sunlight strike the surface of the cell, they are absorbed by the semiconductor material, typically silicon. This absorption provides enough energy to knock electrons loose from their atoms, allowing them to flow through the material. An internal electric field created by the p-n junction within the cell directs these free electrons into an external circuit, resulting in a flow of direct current electricity.

Explanation

Adult frogs possess mesonephric kidneys, which are the primary excretory organs responsible for filtering nitrogenous waste from the blood. These kidneys develop from the central part of the embryonic mesoderm, specifically the nephrotome. In the lifecycle of a frog, while the larval tadpole stage may initially utilize pronephric kidneys, these are replaced during metamorphosis by the mesonephros. The mesonephric kidney is characterized by a series of tubules that connect to the Wolffian duct to transport waste. In amphibians, these organs function to maintain osmotic balance and excrete urea, serving as the permanent functional renal system throughout their adult lives.

Explanation

A pulsar is a highly magnetized, rotating neutron star that emits beams of electromagnetic radiation from its magnetic poles. As the neutron star rotates, these beams sweep across space. When one of these beams points toward Earth, it is detected as a periodic pulse of radiation, similar to the light from a rotating lighthouse. Pulsars are formed from the collapsed cores of massive stars following a supernova. The rapid spinning is a consequence of the conservation of angular momentum, where the original star's rotation speed increases dramatically as its radius shrinks during the collapse into an incredibly dense neutron star.

Explanation

A light year is defined as the distance that light travels in a vacuum in one Julian year (365.25 days). It is a unit of length used in astronomy to measure the vast distances between stars and galaxies. Based on the formula d = v × t, where v is the speed of light (c ≈ 3 × 10⁸ m/s) and t is the duration of one year in seconds, one light year is approximately equal to 9.46 × 10¹² kilometers or 9.46 × 10¹⁵ meters.

Explanation

Plaster of Paris is chemically known as calcium sulphate hemihydrate, with the formula CaSO₄ · ½H₂O. It is produced by heating gypsum, which is calcium sulphate dihydrate (CaSO₄ · 2H₂O), to approximately 373 K (100°C). At this temperature, the gypsum loses three-fourths of its water of crystallization. When the resulting powder is mixed with water, it undergoes a chemical reaction to revert back into a hard solid mass of gypsum. This property of setting into a rigid structure makes it highly effective for orthopedic use in immobilizing fractured or broken bones to ensure they heal in the correct alignment.

Explanation

Van Mahotsav, known as the Forest Festival, was initiated in 1950 by Kanaiyalal Maneklal Munshi, the then Union Minister for Agriculture and Food. It is an annual week-long tree-planting festival celebrated in India during the first week of July. The observance officially begins on 1st July, a timing chosen to coincide with the onset of the monsoon rains in most parts of the country, which provides the ideal climatic conditions for the survival and growth of saplings.

Explanation

Quinine is a naturally occurring chemical compound known as an alkaloid, which is primarily extracted from the dried bark of trees belonging to the genus Cinchona. These evergreen trees are native to the high-altitude tropical forests of the Andes Mountains in South America. The medicinal properties of the bark were traditionally used by indigenous populations and later adopted globally as the first effective treatment for malaria. Quinine works by interfering with the growth and reproduction of Plasmodium parasites within the human bloodstream. Beyond its antimalarial use, the substance is also utilized in the food and beverage industry to provide the characteristic bitter flavor found in tonic water.

Explanation

A pH meter is a scientific instrument that measures the hydrogen-ion activity in aqueous solutions, which directly indicates the acidity or alkalinity of the liquid. The acidity of a solution is quantified using the pH scale, which is defined by the formula pH = -₁₀[H⁺], where [H⁺] is the concentration of hydrogen ions. The apparatus works by measuring the electromotive force between a pH electrode and a reference electrode immersed in the solution. In this system, a pH value of less than 7 signifies an acidic solution, with lower numerical values indicating a higher concentration of hydrogen ions and therefore greater acidity.

Explanation

The Hutti Gold Mines are located in the Raichur district of Karnataka. These mines are operated by Hutti Gold Mines Limited, a company owned by the Government of Karnataka. Historically, Hutti is recognized as one of the oldest gold mines in the world, with mining activity documented as far back as the Pre-Ashokan period. It remains one of the very few functional gold mines in India, contributing significantly to the country's domestic gold production.

Explanation

Nelson Mandela was named the inaugural recipient of the Mahathir Award for Global Peace in 2013 for his lifelong dedication to justice, freedom, and the end of apartheid in South Africa. The award, established by the Mahathir Global Peace Foundation in Malaysia, honors individuals who have made significant contributions to international peace and security. In August 2013, due to Mandela's failing health at the time, South African President Jacob Zuma accepted the award on his behalf during a state visit to Malaysia from Tun Dr. Mahathir Mohamad. This recognition celebrated Mandela's role as a global icon of reconciliation and his unwavering commitment to humanitarian causes.

Explanation

Pollination is the biological process essential for the sexual reproduction of flowering plants and gymnosperms. it involves the transfer of pollen grains from the male reproductive part of a plant, known as the anther, to the female reproductive part, called the stigma. This transfer facilitates fertilization, leading to the production of seeds and the development of fruits, which allows plants to produce offspring and ensure the survival of their species.

Explanation

The Ganga river basin is the largest in India, covering an area of approximately 8,61,452 square kilometers, which represents about 26.2 percent of the total geographical area of the country. This basin encompasses the vast Indo-Gangetic plain, which is composed of deep, fertile alluvial soil deposited over millennia by the river and its extensive network of tributaries. The flat topography of this region facilitates widespread agricultural activities and the construction of extensive irrigation canals. Due to the combination of perennial water supply, highly fertile land, and favorable terrain, the Ganga serves the largest cultivable area in the country, supporting intensive farming in states such as Uttar Pradesh, Bihar, and West Bengal.

Explanation

Malala Yousafzai was awarded the International Children's Peace Prize in 2013 for her courageous activism and dedication to the right of all children to receive an education. The award was announced in August 2013 and formally presented to her in September by the Dutch organization KidsRights Foundation. Her advocacy gained global attention following her survival of a targeted attack by the Taliban in Pakistan Swat Valley in 2012, which highlighted the struggles of girls seeking education under oppressive regimes. This recognition served as a major milestone before she became the youngest recipient of the Nobel Peace Prize in 2014.

Explanation

Mamnoon Hussain served as the 12th President of Pakistan, holding the office from September 9, 2013, to September 9, 2018. A senior leader of the Pakistan Muslim League (N), he was elected by the electoral college in July 2013 and took his oath of office in September 2013, succeeding Asif Ali Zardari. As of the year 2014, he was the incumbent head of state of Pakistan.

Explanation

Sarod maestro Ustad Amjad Ali Khan was selected for the 21st Rajiv Gandhi National Sadbhavana Award for the year 2013. He was recognized for his outstanding contribution towards the promotion of communal harmony, peace, and goodwill through his music. The award, which carries a citation and a cash prize, was presented to him on August 20, 2013, coinciding with the 69th birth anniversary of former Prime Minister Rajiv Gandhi. Khan is a world-renowned classical musician who has played a significant role in representing Indian culture and promoting national integration on global platforms.

Explanation

Thomas Bach was elected as the ninth President of the International Olympic Committee during the 125th IOC Session held in Buenos Aires, Argentina, on 10 September 2013. A German lawyer and former Olympic gold medalist in fencing from the 1976 Montreal Games, he succeeded Jacques Rogge to lead the organization. Bach had previously served as an IOC member since 1991 and held various leadership roles, including several terms as Vice-President, before winning the presidential election in the second round of voting.

Explanation

Abhijeet Gupta won the Commonwealth Chess Championship in 2013 held in Port Elizabeth, South Africa. He secured the title by finishing at the top of the points table in the open category. Gupta is a prominent Indian Grandmaster who has achieved significant success in international chess, including winning the World Junior Chess Championship in 2008 and becoming a multiple-time winner of the Commonwealth title.

Explanation

The Tagore Award for Cultural Harmony was instituted by the Government of India in 2012 to commemorate the 150th birth anniversary of Rabindranath Tagore. This award recognizes individuals or organizations for their outstanding contributions toward promoting cultural harmony and universal values. Zubin Mehta, the world-renowned Western classical music conductor of Indian origin, was selected as the recipient of the award for the year 2013. He was recognized for his extraordinary ability to use music as a medium to bridge cultural divides and foster global peace. President Pranab Mukherjee presented the award to him in New Delhi, making him the second recipient of this prestigious honor following the sitar maestro Pandit Ravi Shankar.

Explanation

Rafael Nadal clinched the 2013 U.S. Open Men's Singles title, marking his second victory at this Grand Slam event. His path to the title was characterized by a dominant hard-court season where he remained undefeated on the surface leading up to the tournament final. In the championship match, Nadal won in four sets with a score of 6-2, 3-6, 6-4, 6-1. This victory earned him his 13th career Grand Slam title and followed a remarkable run where he won the Canada Masters and the Cincinnati Masters in the weeks preceding the U.S. Open.

Explanation

The Marriage Laws (Amendment) Bill, 2012, was passed by the Rajya Sabha on 26th August 2013. This legislative measure was intended to amend the Hindu Marriage Act, 1955, and the Special Marriage Act, 1954. The primary objective of the bill was to introduce irretrievable breakdown of marriage as a valid ground for the dissolution of marriage by a decree of divorce. It also included specific provisions to protect the interests of women and children, such as giving the wife a right to a share in the husband’s immovable property in the event of a divorce granted on the grounds of irretrievable breakdown. Additionally, the bill sought to empower courts to waive the statutory six-month waiting period for a divorce by mutual consent if both parties have lived apart for at least three years.

Explanation

GSAT-7, also known as Rukmini, is India's first dedicated multi-band communication satellite designed specifically for military use. Launched on August 29, 2013, from Kourou, French Guiana, using the Ariane 5 launch vehicle, it was developed by the Indian Space Research Organisation (ISRO) to meet the strategic communication requirements of the Indian Navy. The satellite operates in the UHF, S, C, and Ku bands, providing a secure real-time communication link between various naval assets, including warships, submarines, aircraft, and land-based command centers. This capability allows the Navy to maintain a high level of maritime domain awareness and networking over the Indian Ocean Region.