SSC CHSL Tier 1 2016 General Awareness Questions with Solutions

Explanation

The real rate of interest is calculated using the Fisher equation:

Real Interest Rate = Nominal Interest Rate - Inflation Rate

Given: Nominal Interest Rate = 5.5% Inflation Rate = 2.5%

Substituting these values into the formula:

Real Interest Rate = 5.5% - 2.5% = 3%

This rate represents the actual growth in the purchasing power of money after adjusting for inflation.

Explanation

In the long run, a perfectly competitive firm operates at the point where it maximizes profits and earns zero economic profit. Profit maximization occurs where marginal revenue, which is equal to price (P) in a perfectly competitive market, equals marginal cost (MC). Due to the free entry and exit of firms, any economic profits or losses are eliminated in the long run, which forces the market price to equal the minimum average total cost (ATC). Thus, the long-run equilibrium condition for a perfectly competitive firm is Price = Marginal Cost = Minimum Average Total Cost.

Explanation

Ilmenite is a weakly magnetic titanium-iron oxide mineral with the chemical formula FeTiO₃. It serves as the primary natural source and most important ore of titanium. The mineral is widely mined to extract titanium metal for use in high-strength, lightweight alloys for aerospace and industrial applications, as well as to produce titanium dioxide, which is widely utilized as a white pigment in paints, plastics, paper, and cosmetics.

Explanation

Tehri Dam is the highest dam in India and is constructed on the Bhagirathi River near Tehri in the state of Uttarakhand. It is a multi-purpose rock and earth-fill embankment dam that generates hydroelectricity, provides irrigation, and supplies municipal water to several states.

Explanation

Jana Gana Mana is the National Anthem of India. It was originally composed as Bharoto Bhagyo Bidhata in Bengali by the Nobel laureate Rabindranath Tagore. The Constituent Assembly of India officially adopted the first stanza of this song as the National Anthem on 24 January 1950. The playing time of the full version of the anthem is approximately 52 seconds.

Explanation

Itanagar is the capital city of Arunachal Pradesh, a state in northeastern India. It is located at the foothills of the Himalayas and serves as the administrative, cultural, and political center of the state.

Explanation

Panaji is the capital of Goa, located on the banks of the Mandovi River. It became the capital of the territory in 1843 when the Portuguese colonial administration shifted its seat of government from Velha Goa (Old Goa) due to plague outbreaks.

Explanation

Mahatma Gandhi travelled to London in September 1888 to study law. He enrolled at the Inner Temple, one of the prestigious Inns of Court in London, United Kingdom, where he studied jurisprudence and common law. He successfully completed his legal education, was called to the bar in June 1891, and was registered as a barrister before returning to India.

Explanation

The Second Battle of Panipat was fought on November 5, 1556, between the forces of the Mughal Emperor Akbar, led by his regent Bairam Khan, and Hemu Vikramaditya, the Hindu king who had captured Delhi and Agra. Hemu's forces were initially in a dominant position, but the tide turned when a stray arrow struck Hemu in the eye, causing him to lose consciousness. The sudden loss of their leader triggered panic and disorder among his army, leading to their defeat. Hemu was captured and executed, which re-established Mughal rule in North India.

Explanation

Paul Winchell, primarily known as a popular American ventriloquist and comedian, was also a prolific inventor who designed and patented one of the earliest conceptual models of an artificial heart. Assisted by Dr. Henry Heimlich, Winchell developed a mechanical, implantable device intended to pump blood through the body. He filed for a patent on February 6, 1961, and was granted U.S. Patent Number 3,097,366 on July 16, 1963. Winchell later donated his patent to the University of Utah, where researchers used it to help design later models like the Jarvik-7 artificial heart.

Explanation

The slope of a graph is calculated as the change in the vertical axis variable divided by the change in the horizontal axis variable. In a velocity-time graph, velocity is represented on the vertical axis and time is represented on the horizontal axis. Thus, the slope of the graph is given by the change in velocity over the change in time, which is mathematically expressed as Δv / Δt. By definition, the rate of change of velocity with respect to time is acceleration.

Explanation

Jerk is defined as the rate of change of acceleration with respect to time. Mathematically, it is represented as the derivative of acceleration with respect to time:

j = da/dt

Since the unit of acceleration is meter per second square (m/s²) and the unit of time is second (s), the unit of jerk is obtained by dividing the unit of acceleration by the unit of time:

(m/s²) ÷ s = m/s³

This gives the unit of jerk as meter per second cube.

Explanation

China is classified as a one-party authoritarian state governed by the Communist Party of China. Unlike democratic systems that feature multi-party competitive elections, political pluralism, protection of basic civil liberties, and an independent judiciary, the Chinese political structure does not allow for organized opposition or free electoral competition to challenge the ruling party's authority.

Explanation

Under Article 93 of the Constitution of India, the Speaker of the Lok Sabha is elected from among its members. The term of the Speaker is coterminous with the life of the Lok Sabha. According to Article 83(2) of the Constitution, the Lok Sabha, unless sooner dissolved, continues for a maximum period of five years from the date appointed for its first meeting. Therefore, the Speaker serves for a maximum term of 5 years. Although the Speaker continues in office even after the dissolution of the Lok Sabha until immediately before the first meeting of the new House, the tenure is fundamentally tied to the five-year term of the Lok Sabha.

Explanation

Up to March 2016, former New Zealand captain Brendon McCullum was the leading run-scorer in T20 International history. He accumulated 2140 runs in 71 matches at an average of 35.66 and a strike rate of 136.21, which included two centuries and 13 half-centuries, before retiring from international cricket in February 2016.

Explanation

The English Teacher is a novel written by R. K. Narayan and published in 1945. It is part of his famous trilogy of books set in the fictional Indian town of Malgudi, which also includes Swami and Friends and The Bachelor of Arts. The novel is highly autobiographical in nature and is dedicated to the author's late wife, Rajam. It portrays the life of Krishna, an English lecturer at Albert Mission College, and chronicles his domestic life, the sudden death of his wife, and his subsequent spiritual journey to cope with the loss.

Explanation

Sania Mirza was conferred with the Padma Bhushan in 2016 by the Government of India for her exemplary achievements and contributions to tennis. The Padma Bhushan is India's third-highest civilian award, and it stands as the highest civilian honour she has received in her career.

Explanation

A Wide Area Network (WAN) is a telecommunications network that connects multiple smaller networks, such as local area networks (LANs), across a broad geographical distance. WANs often span cities, states, countries, or even continents. The most prominent example of a WAN is the internet, which links computers and networks globally using various transmission mediums like leased telecommunication lines, fiber-optic cables, satellite links, and radio waves to enable long-distance communication.

Explanation

In computer architecture and digital processing, a nibble is defined as a collection of four consecutive binary digits or bits. Since a standard byte consists of eight bits, a nibble represents exactly half of a byte. With four bits, a nibble can represent 2⁴, which equals 16 different possible values, making it particularly useful for representing a single hexadecimal digit in binary-coded decimal systems.

Explanation

The barograph, which is a scientific instrument used to continuously measure and record atmospheric pressure over time in a graphical format, was invented by the French physicist Lucien Vidi in 1844. Vidi is also renowned for inventing the aneroid barometer, which replaced the traditional mercury-based systems with a flexible, evacuated metallic capsule. In a barograph, multiple aneroid capsules (sometimes referred to as Vidi-cans) are stacked in series to amplify the movement caused by air pressure changes, which in turn drives a recording pen across a rotating cylindrical drum to chart the data.

Explanation

Diabetes mellitus is a chronic metabolic disorder characterized by elevated levels of blood glucose. Insulin is a hormone synthesized and secreted by the beta cells of the pancreas that regulates blood sugar by enabling body cells to absorb glucose for energy. When there is low production of insulin, glucose cannot enter the cells effectively and instead accumulates in the bloodstream, leading to hyperglycemia and the development of diabetes.

Explanation

Tectona grandis Linn is the botanical name of the teak tree. It is a large, deciduous hardwood tree belonging to the family Lamiaceae. Native to South and Southeast Asia, particularly India and Myanmar, teak is highly prized for its exceptionally durable timber, which is naturally resistant to moisture, rot, and termites. The abbreviation Linn designates Carl Linnaeus, the Swedish botanist who first scientifically described the species.

Explanation

Sea anemones are predatory marine animals belonging to the phylum Cnidaria, specifically classified under the class Anthozoa. They are characterized by the presence of cnidocytes, which are specialized stinging cells used for capturing prey and defense. Sea anemones exhibit radial symmetry and possess a simple, polyp-type body structure with a central mouth surrounded by tentacles containing these stinging cells.

Explanation

The nucleus is the small, dense region consisting of protons and neutrons at the center of an atom. Protons carry a positive charge and neutrons carry no charge. These particles, collectively referred to as nucleons, are held together by the strong nuclear force, which overcomes the electrostatic repulsion between the positively charged protons to keep the nucleus stable.

Explanation

Baking soda is chemically known as sodium bicarbonate, which has the chemical formula NaHCO₃. It is a salt composed of a sodium cation (Na⁺) and a bicarbonate anion (HCO₃⁻). Commonly used in baking, it acts as a chemical leavening agent by reacting with acidic ingredients in the batter to release carbon dioxide (CO₂) gas bubbles, which helps the dough or batter to rise and expand.

Explanation

Elephanta Caves are located on Elephanta Island, also known as Gharapuri Island, in Mumbai Harbour, Maharashtra. This UNESCO World Heritage Site is famous for its collection of rock-cut temples, which primarily date back to the 5th to 8th centuries and are dedicated to the Hindu deity Shiva, featuring the monumental three-headed Shiva sculpture known as the Trimurti.

Explanation

Kathak originated in Northern India, with its roots traced to the nomadic bards of ancient northern territories, known as Kathakars or storytellers. The name of the dance is derived from the Sanskrit word Katha, which means story. These storytellers originally performed in temples, narrating epic tales and mythological stories through facial expressions, hand gestures, and rhythmic footwork. Under the patronage of North Indian royal courts, particularly during the Mughal era and within the princely states of Rajasthan and Uttar Pradesh, Kathak transitioned into a highly stylized court dance. It developed major distinct schools or gharanas, such as Lucknow, Jaipur, and Banaras, making it the definitive classical dance form representing North India.

Explanation

At market equilibrium, the quantity demanded equals the quantity supplied:

D = S

Substitute the given equations for demand and supply:

100000 - 17P = 50000 + 8P

Rearrange the terms to solve for the equilibrium price, P:

100000 - 50000 = 8P + 17P

50000 = 25P

P = 50000 / 25

P = 2000

Explanation

Gross Domestic Product is the total monetary or market value of all the finished goods and services produced within a country's borders in a specific time period. It functions as a comprehensive scorecard of a given country's economic health. As a key indicator of economic size and performance, it measures the output generated by all residents, businesses, and foreign-owned entities operating within the geographic boundaries of the nation, irrespective of the nationality of the producers.

Explanation

Dissolved oxygen is a critical measure of water quality in rivers and other aquatic ecosystems. In typical freshwater bodies, the concentration of dissolved oxygen usually ranges from 5 to 10 parts per million (ppm) at normal temperatures. This concentration is essential for the survival and respiration of fish and other aquatic organisms. Levels significantly below 5 ppm can lead to hypoxia, which is stressful or fatal to aquatic life, while concentrations above 15 ppm are physically impossible under standard atmospheric temperature and pressure conditions. Therefore, 5 ppm represents a realistic and vital baseline level of dissolved oxygen in a river system.

Explanation

Eichhornia crassipes, commonly spelled as Echhornia, is a free-floating aquatic plant native to the tropical Amazon basin and is widely known as the Common Water Hyacinth. It is characterized by its broad, thick, glossy, bulbous leaves and striking pale violet to blue flowers. Due to its exceptionally rapid growth rate and vegetative reproduction, it quickly covers the surface of freshwater bodies, making it one of the most prominent invasive aquatic weeds in the world.

Explanation

Rukmini Devi Arundale was an eminent Indian classical dancer, choreographer, and activist who is best known for her pioneering role in the revival and global recognition of Bharatnatyam. She played a vital role in removing the social stigma associated with the dance form, which was historically known as Sadir, and helped transition it into a mainstream classical art. In 1936, she co-founded the Kalakshetra Foundation in Chennai to institutionalize the training of Bharatnatyam and preserve traditional Indian arts. For her immense contributions, she was awarded the Padma Bhushan in 1956 and became the first woman in Indian history to be nominated as a member of the Rajya Sabha.

Explanation

Madhya Pradesh is located in the central part of India and is geographically separated from the northern state of Haryana. Madhya Pradesh shares its land borders with five states, namely Uttar Pradesh to the northeast, Chhattisgarh to the southeast, Maharashtra to the south, Gujarat to the west, and Rajasthan to the northwest, leaving it with no physical boundary contiguous with Haryana.

Explanation

Pluto was reclassified as a dwarf planet by the International Astronomical Union in August 2006. According to the definition adopted by the IAU, a celestial body must meet three criteria to be classified as a planet: it must orbit the Sun, have sufficient mass to assume a nearly round shape, and have cleared the neighborhood around its orbit. Pluto fails to meet the third criterion, as it shares its orbital zone with other Kuiper Belt objects, leading to its classification as a dwarf planet.

Explanation

Raja Ram Mohan Roy founded the Brahmo Sabha in August 1828, which was later renamed the Brahmo Samaj. He established this influential socio-religious reform movement in Calcutta to promote monotheism, rationalism, and the worship of a single, formless God based on the teachings of the Upanishads, while actively campaigning against social evils such as sati, child marriage, and the caste system.

Explanation

The Taj Mahal, located in Agra, was commissioned by the Mughal Emperor Shah Jahan in 1632. He constructed this white marble mausoleum to house the tomb of his favorite wife, Mumtaz Mahal, who passed away in 1631 due to complications during the birth of their fourteenth child, Gauhara Begum. The monument stands as a supreme symbol of his love and is renowned globally as a masterpiece of Mughal architecture.

Explanation

Dilip Kumar won the first Filmfare Award for Best Actor in 1954 for his performance in the movie Daag. The inaugural Filmfare Awards, initially known as the Clare Awards, were presented on March 21, 1954, to honor outstanding achievements in Hindi cinema. Dilip Kumar went on to win the Best Actor trophy eight times over his career, establishing a long-standing record in Indian cinema.

Explanation

Young's Modulus is a fundamental mechanical property of a material that measures its stiffness under tension or compression. It is defined as the ratio of uniaxial stress to uniaxial strain in the elastic deformation region. Because Young's Modulus is a characteristic constant of a material that has only magnitude and does not depend on direction, it is represented as a scalar quantity.

Explanation

Mercury is a metal that exists as a liquid at room temperature. This unique property is primarily due to relativistic effects that contract its outermost 6s electron orbital. This orbital contraction causes the valence electrons to be held tightly by the nucleus, leading to very weak metallic bonding between mercury atoms. Because of these weak cohesive forces, mercury has a extremely low melting point of -38.83 °C and remains in a liquid state under standard room temperature conditions.

Explanation

The Constitution of India does not place any restriction or limit on the number of terms a person can serve as the Prime Minister of India. Under Article 75, the Prime Minister is appointed by the President of India and holds office during the pleasure of the President. In practice, as long as an individual enjoys the confidence of the majority of the members of the Lok Sabha, they can be appointed and re-appointed to the office of Prime Minister any number of times.

Explanation

Under Article 352 of the Indian Constitution, a proclamation of National Emergency issued by the President must be approved by both Houses of Parliament within one month from the date of its issue. This one-month limit was introduced by the 44th Constitutional Amendment Act of 1978, which reduced the time limit from the original period of two months to ensure greater parliamentary control over the executive's emergency powers.

Explanation

Deepika Kumari is a highly distinguished Indian athlete who competes in the sport of archery. She achieved the world number one ranking in the women's individual recurve event and secured a gold medal at the 2010 Commonwealth Games in Delhi. Over her career, she has represented India at multiple Olympic Games and won numerous medals at the Archery World Cup stages, establishing herself as a leading figure in Indian sports.

Explanation

The Arthashastra is an ancient Indian Sanskrit treatise on statecraft, political science, economic policy, and military strategy. It was authored by Chanakya, who is also known as Kautilya or Vishnugupta. He was a renowned scholar at Takshashila and served as the chief advisor and prime minister to Emperor Chandragupta Maurya, the founder of the Mauryan Empire. The text is a comprehensive manual that outlines the duties of a king, the administration of a kingdom, foreign policy, law, warfare, and economic management.