SSC CHSL Tier 1 2016 General Awareness Questions with Solutions

Explanation

Producer surplus is the economic measure of the difference between the actual price a seller receives for a good and the minimum price they are willing to accept for it.

The formula to calculate producer surplus is: Producer Surplus = Actual Sale Price - Minimum Willingness to Sell

Substituting the values from the transaction: Actual Sale Price = Rs. 10,500 Minimum Willingness to Sell = Rs. 7,000

Producer Surplus = Rs. 10,500 - Rs. 7,000 = Rs. 3,500

The initial quoted price of Rs. 12,000 is merely a negotiation starting point and does not affect the actual economic surplus generated from the completed transaction.

Explanation

Revenue from sales of the company's products represents the top-line income earned from operating activities over a specific period. This figure is recorded on the income statement, also known as the profit and loss statement, to calculate net income, rather than being reported as a line item on the balance sheet. The balance sheet represents a company's financial position at a single point in time, consisting of assets, liabilities, and equity, whereas sales revenue measures financial performance and flow over an accounting period.

Explanation

Carbon monoxide is a highly poisonous, colorless, and odorless gas produced by the incomplete combustion of carbon-based fuels in automobile engines. When inhaled, carbon monoxide binds to hemoglobin in the red blood cells with an affinity much higher than that of oxygen, forming carboxyhemoglobin. This significantly reduces the oxygen-carrying capacity of the blood, depriving vital organs of oxygen and causing asphyxiation.

Explanation

Gir National Park and the Sasan Gir Sanctuary in Gujarat are the sole natural habitats of the Asiatic Lion (Panthera leo persica) in the wild. Historically, Asiatic lions ranged across Southwest Asia and India, but due to hunting and habitat loss, their population was severely reduced until they were restricted entirely to the Gir forest ecosystem. Conservation efforts initiated by the Nawab of Junagadh and continued by the government have successfully preserved this last wild population of Asiatic lions.

Explanation

Parveen Babi was the first Bollywood star to be featured on the cover of Time magazine. She appeared on the cover of the international edition in July 1976. The accompanying cover story, titled Asia's Frenetic Film Scene, highlighted the growing influence of the Indian film industry and established her as a global icon of Indian cinema.

Explanation

The photosphere is the visible, glowing surface of the Sun that emits the light we see on Earth. It is the lowest and densest layer of the solar atmosphere, with temperatures ranging from roughly 4500 K to 6000 K. This region acts as the source of most of the solar radiation that reaches space, appearing as a bright, defined boundary because the solar gases above it are transparent to visible light while those below it are opaque.

Explanation

The sun is directly overhead the equator twice a year, which corresponds to the equinoxes. The vernal equinox, occurring around March 20 or 21, marks the beginning of the spring season in the Northern Hemisphere, when the sun crosses the celestial equator from south to north and shines directly over the equator.

Explanation

The Sino-Indian War was a military conflict between India and China that took place in 1962. The clash arose primarily from disputed border territories, specifically Aksai Chin in Ladakh and the region south of the McMahon Line in Arunachal Pradesh. Hostilities began on October 20, 1962, with simultaneous Chinese offensives in both sectors. The war concluded on November 21, 1962, when China declared a unilateral ceasefire and withdrew its troops back to the Line of Actual Control.

Explanation

Alexander the Great defeated King Porus in the Battle of the Hydaspes (Hyades) in 326 BC. The battle took place on the banks of the Hydaspes River, which is the modern-day Jhelum River in the Punjab region. Despite the Paurava army putting up a fierce resistance with a large force of war elephants, Alexander's tactical genius and advanced cavalry maneuvers secured a decisive Macedonian victory. Following the battle, Alexander was deeply impressed by the courage and stature of King Porus, leading him to reinstate Porus as a king and expand his dominion.

Explanation

Satish Pachauri has not been conferred with the prestigious Ramon Magsaysay Award. Established in 1957, the Ramon Magsaysay Award is widely regarded as Asia's equivalent of the Nobel Prize, awarded to individuals and organizations in Asia for selfless service and transformative leadership. While several prominent Indian citizens have been honored with this award since its inception, Satish Pachauri is not a recipient of this accolade in any of its recognized categories.

Explanation

The average distance from the Earth to the Sun is approximately 1.496 × 10¹¹ meters. Light travels through space at a speed of about 3 × 10⁸ meters per second.

Using the formula: Time = Distance ÷ Speed

Substituting the values: Time = 1.496 × 10¹¹ m ÷ (3 × 10⁸ m/s) ≈ 499 seconds

Converting seconds to minutes: 499 seconds ÷ 60 seconds/minute ≈ 8.3 minutes (or approximately 8 minutes and 20 seconds).

Explanation

The horizontal range R of a projectile projected with an initial velocity u at an angle θ with the horizontal is given by the formula:

R = (u² sin 2θ) / g

If the body is projected at an angle of 90° - θ with the same initial velocity, the range R' becomes:

R' = (u² sin 2(90° - θ)) / g R' = (u² sin(180° - 2θ)) / g

Since sin(180° - x) = sin x, this simplifies to:

R' = (u² sin 2θ) / g

Therefore, the horizontal range is identical for both projection angles θ and 90° - θ, which are complementary angles.

Explanation

A bicameral legislature is a legislative system that is divided into two separate assemblies, chambers, or houses, which are commonly designated as the Lower Chamber and the Upper Chamber. This division is designed to provide checks and balances within the legislative process, ensuring that laws are thoroughly debated and reviewed by both bodies before enactment.

Explanation

Article 343 of the Constitution of India prescribes the official language of the Union of India. Specifically, Article 343(1) states that the official language of the Union shall be Hindi written in the Devanagari script, with the international form of Indian numerals used for official purposes. Article 343(2) allowed for the continued use of the English language for all official purposes of the Union for a transitional period of fifteen years from the commencement of the Constitution, which could be further extended by Parliament under Article 343(3).

Explanation

The International Cricket Council (ICC), the global governing body of cricket, is headquartered in Dubai, United Arab Emirates. The headquarters was relocated to Dubai in August 2005 from its previous long-standing location in London. This strategic move to Dubai Sports City was driven by benefits such as tax exemptions and a more geographically central location to administer cricket globally, especially considering the sport's massive growth and commercial interest in South Asia.

Explanation

Long Walk to Freedom is an autobiographical work written by Nelson Mandela, the prominent South African anti-apartheid revolutionary and political leader. Published in 1994, the book chronicles his early life, coming of age, education, and the twenty-seven years he spent in prison. It also documents his political journey, his leadership in the African National Congress, and his historic rise to become the first democratically elected president of South Africa.

Explanation

The Taj Mahal is a UNESCO World Heritage Site located in Agra, Uttar Pradesh, situated on the right bank of the Yamuna River. As the Yamuna flows eastward through this part of Agra, its southern bank forms the right bank of the river, where this monumental white marble mausoleum was constructed by the Mughal Emperor Shah Jahan in memory of his wife Mumtaz Mahal.

Explanation

Sir C. V. Raman was awarded the Nobel Prize in Physics in 1930 for his groundbreaking work on the scattering of light and for the discovery of the Raman effect. This phenomenon, which demonstrates that light changes its wavelength when it is deflected by molecules in a medium, was discovered in 1928 and remains a fundamental concept in spectroscopic studies. He was the first Asian to receive a Nobel Prize in any branch of science.

Explanation

Kwashiorkor is a severe form of malnutrition specifically caused by an inadequate intake of dietary protein. It most commonly affects infants and young children in developing regions during times of food scarcity. Protein is vital for fluid balance, cellular repair, and growth. A severe deficit in protein leads to the characteristic symptoms of kwashiorkor, which include bilateral pitting edema, representing severe swelling, particularly in the abdomen and feet, a fatty liver, stunted growth, muscle wasting, and changes in skin and hair pigmentation.

Explanation

A xerophyte is a plant species that has evolved structural and physiological adaptations to survive and thrive in environments with extremely low availability of liquid water, such as deserts, sand dunes, or ice-capped regions. To conserve water and minimize transpiration, these plants typically possess specialized features such as thick waxy cuticles, reduced leaf surface areas often modified into spines, sunken stomata, water-storing parenchymal tissues, and extensive root systems designed to maximize water absorption from deep underground or rapid surface runoff.

Explanation

Humans have a heterodont dentition, which means they possess different types of teeth designed for specific functions in the mastication process. There are four distinct types of teeth in the human mouth: incisors, canines, premolars, and molars. Incisors are the sharp, chisel-shaped front teeth used for cutting food. Canines are the pointed teeth located next to the incisors, adapted for tearing food. Premolars, also known as bicuspids, have flat surfaces with ridges to crush and tear food. Molars are the large, flat teeth at the back of the mouth, primarily used for grinding and mashing food to facilitate swallowing and digestion.

Explanation

Neon is a noble gas belonging to Group 18 of the periodic table. It exists as a monoatomic gas at room temperature because it has a completely filled valence electron shell, making it highly stable and chemically inert. The only intermolecular forces acting between neon atoms are extremely weak London dispersion forces. Because these weak forces require very little thermal energy to overcome, neon remains in the gaseous state down to extremely low temperatures and possesses an exceptionally low melting point of -248.59 °C (24.56 K).

Explanation

Silicon has an atomic number of 14, representing the number of protons in its nucleus. Sulphur has an atomic number of 16, making its atomic number greater than that of Silicon.

Explanation

The Central Processing Unit (CPU) is referred to as the brain of the computer because it is responsible for executing instructions, processing data, and managing the flow of information between all other hardware components. It performs all the basic arithmetic, logical, control, and input/output operations specified by the computer's instructions, serving as the primary control center of the system.

Explanation

Joseph Priestley invented soda water in 1767. He discovered a method of infusing water with carbon dioxide by suspending a bowl of water over a beer vat at a brewery in Leeds, England. He published his findings in a 1772 pamphlet titled "Directions for Impregnating Water with Fixed Air", which described the process of dissolving carbon dioxide in water to produce carbonated water. This breakthrough laid the foundation for the modern soft drink industry.

Explanation

The epidermis is the outermost layer of the skin, serving as the body's primary protective barrier against environmental factors such as pathogens, chemical irritants, and UV radiation. It is composed of stratified squamous epithelial cells and continuously undergoes a process of renewal, where new cells formed at its base move upward to replace shed dead cells at the surface.

Explanation

Leguminous plants possess root nodules on their root systems due to a symbiotic association with nitrogen-fixing bacteria, mainly of the genus Rhizobium. These bacteria infect the root hairs of the plant, leading to the formation of nodules where they convert atmospheric nitrogen into ammonia. This process of biological nitrogen fixation provides the host plant with essential nitrogen required for synthesizing proteins and nucleic acids, while the plant supplies the bacteria with organic carbon and energy in the form of carbohydrates.

Explanation

Earthworms belong to the phylum Annelida, which is composed of segmented worms. The name Annelida is derived from the Latin word annellus, meaning little ring, reflecting the characteristic ring-like segments or metameres that make up their body. These organisms exhibit bilateral symmetry, are triploblastic, and possess a true coelom. They also feature a closed circulatory system and a hydrostatic skeleton, which helps them move and burrow through soil. Through their burrowing and feeding activities, they play an essential role in aerating soil and recycling organic nutrients.

Explanation

The mass of a proton and a neutron are nearly identical, with both being approximately equal to 1 atomic mass unit (amu). Specifically, the rest mass of a proton is about 1.6726 × 10⁻²⁷ kg, while the rest mass of a neutron is about 1.6749 × 10⁻²⁷ kg. This negligible difference of approximately 0.14% means that for most physical and chemical calculations, their masses are considered the same.

Explanation

Evaporation is a physical process used to separate a solid solute that has dissolved in a liquid solvent. When heat is applied to the solution, the liquid solvent absorbs energy and transitions into a gaseous state, escaping into the surrounding environment. Because the solid solute has a much higher boiling point, it does not vaporize and remains behind as a solid residue in the container. This technique is widely utilized to extract salt from saline water.

Explanation

Correct Answer: D

In computer data storage, units of measurement typically scale by factors of 1024 (which is 2¹⁰) in binary system notation.

One Terabyte is equivalent to 1024 Gigabytes. One Petabyte is equivalent to 1024 Terabytes. By substituting the value of a Terabyte in terms of Gigabytes, we find that one Petabyte is equal to 1024 × 1024 Gigabytes.

Explanation

The Jantar Mantar in Jaipur, Rajasthan, is a collection of nineteen architectural astronomical instruments built by the Rajput king Maharaja Sawai Jai Singh II, the founder of Jaipur. Completed in 1734, this monument features the world's largest stone sundial, the Vrihat Samrat Yantra, and is designated as a UNESCO World Heritage site. It represents a culmination of astronomical search and cosmological concepts of the court of a scholarly prince at the end of the Mughal period.

Explanation

The Salzburg Festival is a world-renowned festival of music and drama established in 1920. It is held annually during the summer months in Salzburg, Austria, which is famously the birthplace of the legendary composer Wolfgang Amadeus Mozart. The festival is celebrated for its high-quality performances of opera, theater, and classical music, attracting prominent artists and orchestra groups from across the globe.

Explanation

Correct Answer: B

Point elasticity of demand is calculated using the formula:

Ed = (ΔQ / ΔP) × (P₁ / Q₁)

Where: P₁ is the initial price = 25 P₂ is the new price = 20 ΔP is the change in price = P₂ - P₁ = 20 - 25 = -5 Q₁ is the initial quantity Q₂ is the new quantity = 1500 ΔQ is the change in quantity = Q₂ - Q₁ = 1500 - Q₁ Ed is the elasticity of demand = -1.25

Substituting the values into the formula:

-1.25 = ((1500 - Q₁) / -5) × (25 / Q₁)

Simplify the equation:

-1.25 = (1500 - Q₁) × (-5 / Q₁)

Multiply both sides by Q₁:

-1.25 × Q₁ = -5 × (1500 - Q₁)

-1.25 × Q₁ = -7500 + 5 × Q₁

Rearranging the terms:

-6.25 × Q₁ = -7500

Q₁ = -7500 / -6.25

Q₁ = 1200

Explanation

The birth rate, also known as the crude birth rate, is a standard demographic metric defined as the number of live births per 1000 individuals in a population over the course of one year. The mathematical representation of this rate is:

Birth Rate = (Total number of live births in a year / Mid-year population) × 1000

Using a base of 1000 allows demographers to compare fertility rates across different countries and regions of varying population sizes without being distorted by the absolute number of people.

Explanation

The Geysers is the world's largest geothermal field, located in the Mayacamas Mountains of northern California, approximately 72 miles (116 km) north of San Francisco. Covering an area of about 45 square miles across Sonoma, Lake, and Mendocino counties, this massive energy facility draws superheated dry steam from deep underground wells to power steam turbines, contributing a significant portion of California's clean and renewable energy.

Explanation

Bauxite is the principal ore used in the commercial production of aluminium. It is a naturally occurring, heterogeneous sedimentary rock composed mainly of hydrous aluminium oxides such as gibbsite (Al(OH)₃), boehmite (γ-AlO(OH)), and diaspore (α-AlO(OH)). To produce aluminium, bauxite is first refined into alumina (aluminium oxide, Al₂O₃) using the chemical Bayer process. This alumina is then smelted using the Hall-Héroult electrolytic process to extract pure aluminium metal.

Explanation

Dilip Kumar was born as Muhammad Yusuf Khan on December 11, 1922, in Peshawar. He adopted the screen name Dilip Kumar at the suggestion of Devika Rani, the head of Bombay Talkies, before making his acting debut in the 1944 film Jwar Bhata. This name change helped him establish a broad appeal in the Indian film industry, where he went on to become one of the most celebrated actors of Hindi cinema.

Explanation

The Gobi Desert is a vast, cold rain-shadow desert in East Asia, stretching across portions of northern and northwestern China and southern Mongolia. Covering an area of approximately 1.295 million square kilometers, it is the largest desert in Asia and the fifth-largest in the world. Its terrain is characterised by bare rock, gravel plains, and high-altitude steppes rather than sand dunes.

Explanation

Asia is the world's largest continent by both land area and population. It covers an area of approximately 44.58 million square kilometers, which constitutes about 30% of the Earth's total land area and 8.7% of the planet's total surface area. Additionally, it hosts the majority of the global human population, making it the most dominant continent both geographically and demographically.

Explanation

Following the Mughal war of succession in 1658, Aurangzeb defeated his brothers and usurped the throne. He then imprisoned his father, Emperor Shah Jahan, in the Agra Fort. Shah Jahan remained confined under house arrest there for the remaining eight years of his life until his death in 1666, with a view of the Taj Mahal which he had built for his beloved wife.

Explanation

The mridangam is a classical percussion instrument of ancient origin, primarily used as the primary rhythmic accompaniment in Carnatic music performances. It is a double-sided drum crafted from a hollowed-out block of jackwood, with both apertures covered by leather drumheads that are struck using the hands and fingers to produce a wide range of rhythmic patterns and pitches.

Explanation

The Battle of Wandiwash was a decisive battle fought on January 22, 1760, as part of the Third Carnatic War in India. The conflict took place between the British East India Company, led by Sir Eyre Coote, and the French forces, commanded by Comte de Lally. The English victory at Wandiwash crippled French power in India, leading to the capture of Pondicherry shortly after and effectively concluding French colonial ambitions in India in favor of British dominance.

Explanation

The Pulitzer Prize is a prestigious award established in 1917 by provisions in the will of Joseph Pulitzer, a pioneering newspaper publisher. Administered by Columbia University, it is widely regarded as the highest honor in newspaper, magazine, and online journalism, recognizing excellence in reporting, writing, and photography.

Explanation

Ohm is the SI unit of electrical resistance, named after the German physicist Georg Simon Ohm. According to Ohm's law, electrical resistance (R) is defined as the ratio of the potential difference (V) across a conductor to the current (I) flowing through it, represented by the formula R = V/I. One ohm is equal to one volt per ampere (1 Ω = 1 V/A), which measures the opposition that a device or material offers to the passage of an electric current.

Explanation

John Logie Baird was a Scottish inventor, electrical engineer, and innovator who successfully demonstrated the world's first working mechanical television system. On 26 January 1926, he conducted the first public demonstration of a true television system for members of the Royal Institution and a reporter from The Times in London. His device, often referred to as the Televisor, used mechanical scanning to transmit live, moving, grayscale images of objects and human faces. He subsequently achieved the first transatlantic television transmission and went on to demonstrate the first color television system.

Explanation

Under Article 83(1) of the Constitution of India, the Rajya Sabha is a permanent body and is not subject to dissolution. To ensure continuity, one-third of its members retire every second year upon completing their six-year tenure, and fresh elections are conducted to fill these vacant seats.

Explanation

The Indian Constitution does not declare India to be a communist state. The constitutional framework of India is built on a multi-party parliamentary system, individual liberty, and the right to private property, which directly contrasts with a communist system characterized by single-party rule and complete state ownership of all property and means of production. Therefore, communism finds no place in the constitutional declaration of the Indian polity.

Explanation

Shaquille O'Neal, commonly nicknamed Shaq, is widely regarded as one of the most dominant players in the history of professional basketball. Playing as a center, he had an illustrious 19-year career in the National Basketball Association (NBA), where he won four NBA championships, three Finals MVP awards, and the 1999-2000 regular-season MVP award. He was inducted into the Naismith Memorial Basketball Hall of Fame in 2016 for his monumental contributions to the sport.

Explanation

The Ramcharitmanas is an epic poem composed by the 16th-century Bhakti poet Goswami Tulsidas. It is written in Awadhi, an Eastern Hindi language spoken primarily in the Awadh region of Uttar Pradesh. Tulsidas chose to write this masterpiece in the vernacular Awadhi dialect to ensure that the divine story of Rama was accessible to the common people, rather than being restricted to the classical literary elite.