SSC CGL Tier 1 2013 General Awareness Questions with Solutions

Explanation

An economic theory is a formal statement or a set of interconnected statements, known as propositions, that describe the relationships between various economic variables. These propositions serve as the fundamental components of theoretical frameworks, asserting how certain factors such as price, demand, or supply interact under specific conditions. By articulating these logical assertions, an economic theory provides a structured explanation of observed phenomena and allows for the derivation of predictions or conclusions about economic behavior. In the context of economic methodology, a theory is fundamentally a proposition that seeks to explain the causal links within the economic system based on established assumptions and deductive reasoning.

Explanation

The Special Economic Zones (SEZ) Act of 2005 established a new statutory framework for SEZs in India, replacing the previous policy-based regime. To operationalize this Act, the Special Economic Zones Rules were notified and came into effect on February 10, 2006. Significant amendments to these rules were introduced later that same year, specifically on August 10, 2006, to address initial implementation issues and streamline the administrative process. These 2006 amendments focused on simplifying the application procedures for developers and units, defining the minimum processing area requirements, and clarifying the roles of the Board of Approval and the Development Commissioners. This regulatory milestone in 2006 provided the legal certainty required to attract large-scale domestic and foreign investment into India's export-oriented manufacturing and service sectors.

Explanation

According to Article 394 of the Indian Constitution, specific provisions including citizenship (Articles 5, 6, 7, 8, and 9) came into force on November 26, 1949. The rest of the Constitution came into effect on January 26, 1950.

Explanation

During the Bardoli Satyagraha of 1928, Vallabhbhai Patel led a successful non-violent protest against the arbitrary tax hike imposed by the British government in Gujarat. In the aftermath of this successful movement, the title Sardar, which means leader or chief, was bestowed upon him. While the women of Bardoli were the first to address him as Sardar, Mahatma Gandhi formally conferred the title upon him on behalf of the people, recognizing his extraordinary leadership and organizational strength during the struggle.

Explanation

Karl Marx's Labor Theory of Value posits that the economic value of a commodity is determined by the total amount of socially necessary labor time required for its production. In his seminal work, Das Kapital, Marx argues that while materials and machinery transfer their own value to the final product, only human labor has the capacity to create new value. He distinguishes between use-value and exchange-value, asserting that the common substance connecting all commodities in exchange is the human labor expended in their creation. This expenditure of labor power is the fundamental source of surplus value, which Marx identifies as the origin of profit within a capitalist economy.

Explanation

Article 352 of the Constitution of India empowers the President to proclaim a National Emergency if the security of India or any part of its territory is threatened by war, external aggression, or armed rebellion. This proclamation can be issued for the entire country or a specific geographic area. The President can only make such a declaration after receiving a written recommendation from the Union Cabinet, a safeguard introduced by the 44th Amendment Act of 1978. This amendment also substituted the term internal disturbance with armed rebellion to ensure the provision is used only in grave situations involving physical violence against the state.

Explanation

The Community Development Programme (CDP) was formally inaugurated in India on October 2, 1952, marking the birth anniversary of Mahatma Gandhi. It was launched as a pilot project during the First Five-Year Plan with the objective of transforming the social and economic life of the rural population. The programme emphasized integrated rural development through community participation and self-help, initially covering 55 project areas across the country. It focused on multi-dimensional progress in sectors such as agriculture, animal husbandry, health, education, and infrastructure.

Explanation

The Flag Satyagraha of 1923, also known as the Jhanda Satyagraha, was a campaign of peaceful civil disobedience that centered on the right to hoist the Indian National Flag. While the movement originated in Jabalpur, it reached its peak in Nagpur after the local British administration prohibited the display of the tricolor flag. Under the leadership of Sardar Vallabhbhai Patel, Jamnalal Bajaj, and other prominent leaders, thousands of volunteers organized processions to assert their right to fly the flag as a symbol of national identity and resistance. The Satyagraha concluded successfully when the government eventually permitted a large procession to pass through the city with the flag, representing a significant victory for the Indian independence movement.

Explanation

Digambar is one of the two primary sects of Jainism, with the other being Shvetambara. The term Digambar literally translates to sky-clad, signifying that the monks of this tradition do not wear any clothes as a mark of total renunciation and non-attachment to worldly belongings. This sect follows the rigorous ascetic practices established by Mahavira, the 24th Tirthankara, and maintains that liberation can only be attained through such complete austerity. The historical division between the Digambar and Shvetambara traditions occurred due to differences in monastic codes and the interpretation of Jain scriptures, particularly following the leadership of Bhadrabahu during the migration to South India.

Explanation

Lord Hardinge II served as the Viceroy of India from 1910 to 1916. During his tenure, King George V visited India to attend the Delhi Durbar in December 1911, where the historic announcement to shift the capital of British India from Calcutta to Delhi was made. The administrative transfer of the capital was completed in 1912 under Lord Hardinge's supervision, marking a significant shift in the governance of the British Raj and leading to the subsequent development of New Delhi as the seat of power.

Explanation

Jawaharlal Nehru established the Indian Civil Liberties Union (ICLU) in 1936 to advocate for the protection of fundamental rights and to provide legal assistance to those persecuted by the British colonial administration. Inspired by the American Civil Liberties Union, Nehru sought to create a non-party organization that would focus specifically on the defense of civil liberties, such as the freedom of speech and the press, which were frequently suppressed during the independence movement. He played a central role in its formation and served as its primary spokesperson, while Sarojini Naidu was appointed as its president.

Explanation

The University of Bombay was established on July 18, 1857, following the recommendations of the Wood's Despatch of 1854. It was one of the first three modern universities founded by the British administration in India, alongside the universities of Calcutta and Madras. Modeled after the University of London, it was created as an examining body to oversee higher education and award degrees in the Bombay Presidency. This 1857 foundation date makes it the earliest established institution compared to the others.

Explanation

Yosemite Falls, located in Yosemite National Park in the Sierra Nevada of California, is one of the highest waterfalls in the world. It has a total drop of 2,425 feet from the top of the upper fall to the base of the lower fall. The waterfall consists of three sections: the Upper Yosemite Fall, the middle cascades, and the Lower Yosemite Fall. It is widely recognized as a major natural landmark and a primary attraction within the national park system.

Explanation

Aryabhatta was India's first satellite, marking the beginning of the country's space age. It was launched on April 19, 1975, from the Kapustin Yar launch site in the Soviet Union. The satellite was built by the Indian Space Research Organisation (ISRO) under an agreement with the Soviet Union, which provided the Kosmos-3M launch vehicle. Named after the ancient Indian astronomer and mathematician, the satellite was designed to conduct experiments in X-ray astronomy, aeronomy, and solar physics. Although its power system failed after five days in orbit, the mission provided valuable experience to ISRO for building and operating future satellite systems.

Explanation

The Visakhapatnam Steel Plant, also known as Vizag Steel and operated by Rashtriya Ispat Nigam Limited (RINL), is the first shore-based integrated steel plant in India. Its location on the coast of Andhra Pradesh provides a significant logistical advantage, allowing for the direct import of essential raw materials like high-quality coking coal and the efficient export of finished steel products through the Visakhapatnam Port. This strategic coastal positioning minimizes inland transportation costs and facilitates easier access to international markets.

Explanation

The North-South Corridor is a major highway project under the National Highways Development Project (NHDP) phase II, aimed at improving connectivity across the length of India. It spans approximately 4,000 kilometers, linking Srinagar in Jammu and Kashmir in the north to Kanyakumari in Tamil Nadu at the southern tip of the Indian peninsula. Managed by the National Highways Authority of India (NHAI), this corridor forms the longest north-south road link in the country and intersects with the East-West Corridor at Jhansi.

Explanation

Leachates are the liquid contaminants formed when water filters through a solid material, such as soil or waste in a landfill, and extracts dissolved or suspended materials. As water percolates downward through the Earth's layers, it acts as a solvent for various chemicals, heavy metals, and organic pollutants. This contaminated liquid continues its downward movement until it reaches the groundwater table, leading to subsurface pollution. The composition of leachate depends on the nature of the solid material it passes through and the chemical characteristics of the percolating water.

Explanation

The lungs are the primary organs of the respiratory system located within the thoracic cavity on either side of the heart. Specifically, each lung is enclosed and protected by a double-layered serous membrane known as the pleura. The space between the inner visceral pleura, which covers the surface of the lungs, and the outer parietal pleura, which attaches to the chest wall, is called the pleural cavity. This cavity contains a thin film of pleural fluid that acts as a lubricant, allowing the lungs to expand and contract smoothly against the thoracic wall during the process of inhalation and exhalation.

Explanation

Milk, particularly breast milk, is considered the ideal and most complete food for newborn babies because it provides the perfect balance of proteins, fats, carbohydrates, vitamins, and minerals required for their initial growth and development. It contains essential antibodies, such as Immunoglobulin A (IgA), and bioactive factors that protect the infant against infections and boost the developing immune system. The first milk produced after birth, known as colostrum, is especially rich in these protective components and helps establish a healthy gut microbiome. Because it is easily digestible and specifically tailored to the nutritional needs of a human infant, exclusive breastfeeding is recommended for the first six months of life to ensure optimal health and survival.

Explanation

Transcription is the biological process in which the genetic information stored in a segment of DNA is copied into a complementary strand of RNA. This process is catalyzed by the enzyme RNA polymerase and is the first step of gene expression.

Explanation

The stomach contains gastric glands within its mucosal lining that house specialized secretory cells known as parietal or oxyntic cells. These cells are responsible for the secretion of hydrochloric acid (HCl) into the gastric lumen. The production of HCl creates a highly acidic environment, typically maintaining a pH between 1.5 and 3.5. This acidity is crucial for the digestive process as it denatures proteins and facilitates the conversion of the inactive proenzyme pepsinogen into active pepsin. Furthermore, the hydrochloric acid serves a protective role by destroying most bacteria and pathogens that enter the digestive tract through food and water.

Explanation

Emulsification is the mechanical process of breaking down large fat droplets into significantly smaller droplets or globules. In the human digestive system, this occurs primarily in the small intestine through the action of bile salts. Bile salts possess both hydrophilic and hydrophobic properties, allowing them to surround fat molecules and prevent them from coalescing back into large masses. This transformation increases the total surface area of the fats, providing more points of contact for water-soluble digestive enzymes like lipase to chemically break down the lipids into fatty acids and monoglycerides. This step is a critical precursor to the efficient chemical digestion and subsequent absorption of dietary fats.

Explanation

Taxonomy is the branch of biological science specifically dedicated to the identification, naming, and classification of all living organisms. It involves the systematic arrangement of plants, animals, and microorganisms into a hierarchical structure based on shared physical characteristics, genetic similarities, and evolutionary origins. By establishing a standardized system of nomenclature and categorization, taxonomy allows scientists to organize biological diversity into manageable groups like species, genera, and families, facilitating clear communication and the study of relationships across the tree of life.

Explanation

Newton's colour disc experiment demonstrates that white light is a combination of the seven spectral colours. The functional principle of this experiment is the persistence of vision, which is a property of the human eye where an image remains on the retina for a short duration of approximately 1/16 of a second after the stimulus is removed. When the disc is rotated at a high speed, the individual coloured segments change position faster than the eye can process them separately. This causes the distinct visual impressions of each colour to overlap and blend together on the retina, leading the brain to perceive the mixture as white or off-white.

Explanation

Force is defined by Newton's Second Law of Motion as the product of mass and acceleration (F = ma). To find its dimensional formula, the dimensions of mass and acceleration are multiplied:

Mass (m): [M] Acceleration (a): The rate of change of velocity, given by [LT⁻²]

By substituting these into the formula for force: [F] = [M] × [LT⁻²] = MLT⁻²

This dimensional formula represents the physical quantity required to change the state of rest or uniform motion of a body.

Explanation

Max Planck is recognized as the founder of the quantum theory of radiation through his work on black-body radiation in 1900. He proposed that electromagnetic energy could only be emitted or absorbed in discrete amounts, which he called quanta. This broke away from classical physics, which assumed energy was continuous. He introduced the fundamental physical constant, now known as Planck constant h, and established the relationship E = hν, where E is the energy of the radiation and ν is its frequency. This discovery laid the groundwork for the development of modern quantum mechanics and earned him the Nobel Prize in Physics in 1918.

Explanation

Fiber optic cables function based on the principle of total internal reflection. This phenomenon occurs when a light ray traveling through a medium with a higher refractive index, known as the core, strikes the boundary of a medium with a lower refractive index, known as the cladding, at an angle of incidence greater than the critical angle. Instead of passing through into the cladding via refraction, the light is reflected back entirely into the core. This continuous process of internal reflections allows light signals to travel long distances through the cable with minimal loss of signal strength, enabling high-speed data transmission in telecommunications. For total internal reflection to occur, the core material must have a higher refractive index n₁ than the cladding refractive index n₂, and the angle of incidence θ must satisfy θ > arcsin(n₂ / n₁).

Explanation

The ENIAC (Electronic Numerical Integrator and Computer) was the first programmable, general-purpose, electronic digital computer. It was designed and constructed at the Moore School of Electrical Engineering at the University of Pennsylvania between 1943 and 1945. The project was led by John Mauchly and J. Presper Eckert and was primarily funded by the United States Army to calculate artillery firing tables. Utilizing approximately 18,000 vacuum tubes, the ENIAC was significantly faster than the electromechanical machines of its era and laid the foundation for modern electronic computing architecture.

Explanation

TCP/IP (Transmission Control Protocol/Internet Protocol) is the fundamental communication suite that serves as the backbone of the Internet. It provides the end-to-end data communication framework that specifies how data should be packetized, addressed, transmitted, routed, and received at the destination. Developed as the standard for the ARPANET, it evolved into the universal language of the global network, allowing diverse hardware and software systems to communicate seamlessly. Every interaction on the Internet, regardless of the specific application or service being used, relies on the underlying TCP/IP stack to facilitate the exchange of information across interconnected networks.

Explanation

Chitin is a structural polysaccharide that serves as the primary component of the exoskeletons of arthropods, including crustaceans such as crabs, lobsters, and shrimp. Chemically, it is a long-chain polymer of N-acetylglucosamine, which is a nitrogen-containing derivative of glucose. This carbohydrate provides a tough and protective outer layer that supports the body structure and protects the internal organs of these organisms. In many crustaceans, the chitinous shell is further reinforced by the deposition of calcium carbonate, which adds extra rigidity and strength to their protective skin.

Explanation

In 1911, Ernest Rutherford conducted the alpha-particle scattering experiment by bombarding a thin gold foil with high-speed α-particles. The observation that a small fraction of these positively charged particles were deflected at very large angles, including some that bounced back toward the source, provided direct evidence of a concentrated center of mass and positive charge. Rutherford concluded that nearly all the mass and positive charge of an atom reside in an extremely small, dense region at the center, which he termed the nucleus. This discovery overturned the previously accepted Thomson model and established the nuclear model of the atom.

Explanation

When a metal is heated in a flame, the thermal energy is absorbed by the electrons, causing them to transition from a stable ground state to a higher, excited energy level. This excited state is unstable, and the electrons quickly return to a lower energy level. During this downward transition, the energy difference between the two levels is released in the form of electromagnetic radiation (photons). The specific wavelengths of light emitted depend on the electronic structure of the metal atom. When this emitted light is analyzed through a spectroscope, it forms an emission spectrum, which typically consists of bright lines at specific wavelengths characteristic of that particular element.

Explanation

Thyroxin is the primary hormone secreted by the thyroid gland that regulates the basal metabolic rate of the body. Excessive secretion of thyroxin, known as hyperthyroidism, leads to a hypermetabolic state that significantly impacts the cardiovascular system. It increases the expression of beta-adrenergic receptors in the heart, making the cardiac tissue more sensitive to catecholamines like adrenaline. This results in an increased heart rate and stronger myocardial contractions, which collectively elevate the total cardiac output. Consequently, the systolic blood pressure increases as a direct result of this heightened cardiac activity and increased stroke volume. Thyroxin also influences the relaxation of vascular smooth muscle to facilitate blood flow for heat dissipation, often leading to a widened pulse pressure alongside the increased systolic tension.

Explanation

Joseph Fourier is credited with the first scientific description of the greenhouse effect in 1824. He theorized that the Earth's atmosphere acts as an insulator, allowing solar radiation to reach the surface while trapping heat radiating back from the planet. Fourier calculated that an object the size of the Earth should be much colder than it actually is based solely on its distance from the sun, leading him to conclude that the atmosphere retains thermal energy. He compared this mechanism to a glass-covered box, suggesting that atmospheric gases maintain the Earth's temperature at a level capable of supporting life. His work established the fundamental physical principles for understanding how certain gases influence the global climate.

Explanation

The Bhopal gas tragedy occurred on the night of December 2-3, 1984, at the Union Carbide India Limited pesticide plant in Bhopal, Madhya Pradesh. The disaster was caused by the leakage of Methyl Isocyanate (CH₃NCO), an extremely toxic and volatile chemical intermediate used in the manufacture of carbamate pesticides. The leak was triggered when water entered a storage tank containing the chemical, initiating a runaway exothermic reaction that increased the temperature and pressure beyond the tank's capacity. This resulted in the release of approximately 40 tonnes of toxic gas into the atmosphere, causing thousands of immediate fatalities and leaving hundreds of thousands of survivors with lifelong health complications. It remains one of the deadliest industrial accidents in history.

Explanation

Particulate matter with a diameter of 10 micrometers or less, known as PM-10, consists of coarse particles that are typically trapped in the upper respiratory tract. When these particles enter the nasal cavity, they settle on the mucous membranes and irritate the sensory nerves. This irritation triggers the sneezing reflex, a coordinated involuntary action that expels a high-velocity blast of air from the lungs through the nose and mouth. This process serves as a primary biological filtration mechanism to remove foreign irritants and particulate matter from the nasal passages, preventing them from advancing further into the respiratory system.

Explanation

The Sarus crane, also spelled Sorus in certain contexts, is the official state bird of Uttar Pradesh. It is recognized as the tallest flying bird in the world and is primarily found in the wetland ecosystems and agricultural fields of the Indo-Gangetic plains. The state of Uttar Pradesh is home to a significant portion of the global population of these birds, particularly in the marshy areas of the southwestern districts. The bird holds a special place in the state's natural heritage and is often associated with symbols of fidelity and devotion in local culture. The government designated it as the state bird to promote the protection of its habitat and ensure the survival of the species.

Explanation

Mount Tongariro is an active volcanic massif located on the North Island of New Zealand. It is situated within Tongariro National Park, which is New Zealand's oldest national park and a dual UNESCO World Heritage site. The eruption on November 21, 2012, occurred at the Te Maari craters on the northern side of the mountain, following an earlier eruption in August of the same year. This 2012 activity was significant as the volcano had previously been dormant for over a century. The November eruption sent an ash plume several kilometers into the atmosphere, causing temporary disruptions to domestic aviation in the region.

Explanation

Daocheng Yading Airport is situated in the Garzê Tibetan Autonomous Prefecture, located on the eastern part of the Tibetan Plateau. It became the highest civilian airport in the world when it opened for commercial operations on September 16, 2013, sitting at an elevation of 4,411 meters or 14,472 feet above sea level. The airport serves the Yading Nature Reserve, a significant high-altitude mountain sanctuary and pilgrimage site in the Tibetan region.

Explanation

Virat Kohli was conferred with the Polly Umrigar Award for the 2011-12 season, which is presented by the BCCI to the best Indian international cricketer of the year. During the performance period, Kohli amassed 1539 runs in 31 ODIs with seven centuries and 627 runs in 7 Test matches. His prolific scoring and match-winning contributions, including a landmark 183 against Pakistan in the Asia Cup, established him as the most consistent performer for the national side during that cycle.

Explanation

Martyr's Day, also known as Shaheed Diwas, is observed in India on January 30 to mark the assassination of Mahatma Gandhi in 1948. On this day, the nation pays tribute to the Father of the Nation and all the brave souls who sacrificed their lives for the country's independence and sovereignty. The day is marked by a two-minute silence observed at 11:00 AM across the country, and top constitutional leaders pay homage at Raj Ghat, Gandhi's memorial in New Delhi.

Explanation

Nishantha Fernando of Sri Lanka won the Men's Singles title at the 6th World Carrom Championship held in Colombo in 2012. He secured the championship by defeating India's C. Bharathidasan in the final match. This achievement marked the first time a Sri Lankan player won the world title in carrom, as the tournament featured participants from over 15 countries competing for the top honors in the sport.

Explanation

Camels possess unique physiological adaptations that allow them to tolerate and consume significantly higher levels of salt compared to other domestic animals. In desert environments, camels often rely on halophytic (salt-tolerant) vegetation and brackish water sources that contain high concentrations of sodium chloride. Their kidneys are exceptionally efficient and capable of producing highly concentrated urine, which allows them to excrete excess salt while minimizing water loss. Furthermore, camels exhibit a high tolerance for osmotic pressure changes in their blood and tissues, enabling them to maintain physiological stability even when their salt intake is high or when they are severely dehydrated.

Explanation

By the 2013-2014 period, all the airports mentioned in the options had already been designated as international airports. Dabolim Airport in Goa operates as a civil enclave at a naval airbase and has long handled significant international charter flights and scheduled overseas services. Srinagar Airport was officially declared an international airport by the Government of India in 2005 to facilitate international travel and Hajj operations. Devi Ahilyabai Holkar Airport in Indore was granted international status in 2012, allowing for the commencement of international flight operations from the region. Since each of the listed airports possessed international status, they do not qualify as only domestic airports.

Explanation

At the inception of the planned economic era in India in 1950-51, the agriculture and allied sectors were the dominant contributors to the national income, accounting for approximately 51.88% of the Gross Domestic Product. This high percentage reflected a primarily agrarian economy where more than 70% of the population depended on farming for their livelihood. Over the following decades, the Indian economy experienced a structural shift toward the industrial and service sectors. By the fiscal year 2011-12, the share of agriculture in the GDP had significantly declined to approximately 14.1%. This long-term trend is a characteristic feature of economic development, where the relative contribution of the primary sector decreases as the secondary and tertiary sectors grow at a faster rate, even as the absolute value of agricultural output continues to increase.

Explanation

The Second India-Africa Forum Summit (IAFS-II) was held in Addis Ababa, Ethiopia, from May 24 to 25, 2011. This event represented a major milestone in India-Africa relations as it was the first time the summit was hosted on the African continent. The summit concluded with the adoption of the Addis Ababa Declaration and the Africa-India Framework for Enhanced Cooperation, which aimed to strengthen ties in sectors such as agriculture, infrastructure, education, and science and technology.

Explanation

Aurangzeb, the sixth Mughal Emperor, died on March 3, 1707, at his military camp in Ahmednagar at the age of 88. He had spent the final 26 years of his life in the Deccan region leading extensive military campaigns. Following his death, his body was transported to Khuldabad, near Aurangabad, where he was buried in a remarkably simple, open-air grave within the courtyard of the shrine of the Sufi saint Sheikh Zainuddin, fulfilling his personal wish for a modest burial funded by his own earnings from sewing caps and copying the Quran.