SSC Combined Questions On General Awareness! Quiz

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SSC Combined Questions On General Awareness! Quiz - Quiz

The staff selection commission in India is designed to help employers figure out if their prospective employee has what it takes to fill and perform in the vacant position within the organization. Are preparing on getting your certification and need some help with it? Take up this SSC combined questions on general awareness test and get to adequately prepare for whatever the exam brings at you.


Questions and Answers
  • 1. 

    Earth received heat from the sun is known as:

    • A.

      Insolation

    • B.

      Infrared heat

    • C.

      Solar radiation

    • D.

      Thermal radiation

    Correct Answer
    A. Insolation
    Explanation
    Insolation refers to the amount of solar radiation that reaches the Earth's surface. It is the primary source of heat energy for the planet. This term specifically describes the solar radiation that is received by the Earth. Therefore, insolation is the correct answer for the question.

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  • 2. 

    The use of which of the following regional languages was popularised by the Bhakti leader, Shankaradeva?

    • A.

      Bengali

    • B.

      Brijbhasha

    • C.

      Avadhi

    • D.

      Assamese

    Correct Answer
    D. Assamese
    Explanation
    Shankaradeva, a prominent Bhakti leader, played a significant role in popularizing the use of Assamese language. He was a saint, poet, and social reformer who lived in Assam during the 15th and 16th centuries. Shankaradeva composed numerous devotional songs, plays, and literary works in Assamese, which helped in promoting and preserving the language. His efforts contributed to the development and recognition of Assamese as a regional language in Assam.

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  • 3. 

    Which part of the plant is used as 'saffron'?

    • A.

      Petals

    • B.

      Stamens

    • C.

      Style and Stigma

    • D.

      Sepals

    Correct Answer
    C. Style and Stigma
    Explanation
    Saffron is derived from the style and stigma of the plant. The style is the long, slender part of the pistil, and the stigma is the sticky, receptive surface at the top of the style. These are the parts of the plant that collect the pollen and play a crucial role in fertilization. In the case of saffron, the style and stigma are harvested and dried to produce the valuable spice.

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  • 4. 

    Suspended colloidal particles in the water can be removed by the process of:

    • A.

      Filtration

    • B.

      Adsorption

    • C.

      Absorption

    • D.

      Coagulation

    Correct Answer
    D. Coagulation
    Explanation
    Coagulation is the process of causing suspended particles to come together and form larger particles, which can then be easily removed from the water. This is typically achieved by adding a coagulant, such as aluminum sulfate or ferric chloride, to the water. The coagulant neutralizes the charges on the particles, allowing them to come together and form flocs. These flocs can then be removed through processes like sedimentation or filtration. Coagulation is an effective method for removing colloidal particles from water, as it helps to improve the clarity and quality of the water.

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  • 5. 

    `Grave's disease is caused due to:

    • A.

      Hyper activity of thyroid

    • B.

      Hypo activity of thymus

    • C.

      Hypo activity of thyroid

    • D.

      Hyper activity of thymus

    Correct Answer
    A. Hyper activity of thyroid
    Explanation
    Grave's disease is an autoimmune disorder that leads to the overproduction of thyroid hormones, resulting in hyperactivity of the thyroid gland. This condition occurs when the body's immune system mistakenly attacks the thyroid gland, causing it to produce excessive amounts of thyroid hormones. The hyperactivity of the thyroid gland leads to symptoms such as weight loss, rapid heartbeat, irritability, and bulging eyes. Therefore, the correct answer is hyperactivity of the thyroid.

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  • 6. 

    The Mansabdari system was introduced by:

    • A.

      Shah Jahan

    • B.

      Jahangir

    • C.

      Babur

    • D.

      Akbar

    Correct Answer
    D. Akbar
    Explanation
    The Mansabdari system was introduced by Akbar. This system was a unique military and administrative system implemented by Akbar in the Mughal Empire. Under this system, every officer in the empire was assigned a rank or mansab, which determined their salary, military responsibilities, and administrative duties. This system helped Akbar maintain control over his vast empire by ensuring loyalty and efficient governance.

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  • 7. 

    Open market operation refers to:

    • A.

      Borrowing by scheduled banks to industry and trade

    • B.

      Purchase and sale of government securities by the RBI

    • C.

      Deposit mobilisation

    • D.

      Borrowing by scheduled banks from the RBI

    Correct Answer
    B. Purchase and sale of government securities by the RBI
    Explanation
    Open market operation refers to the purchase and sale of government securities by the RBI. This is a monetary policy tool used by central banks to control the money supply in the economy. When the RBI purchases government securities, it injects money into the economy, increasing the money supply. Conversely, when the RBI sells government securities, it absorbs money from the economy, reducing the money supply. By conducting open market operations, the RBI can influence interest rates, liquidity, and inflation levels in the economy.

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  • 8. 

    Who is the Governor of West Bengal?

    • A.

      B.L. Joshi

    • B.

      M. K. Narayanan

    • C.

      Shivraj Patil

    • D.

      Margaret Alva

    Correct Answer
    B. M. K. Narayanan
    Explanation
    M. K. Narayanan is the correct answer because he was the Governor of West Bengal at the time the question was asked.

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  • 9. 

    When and by whom were the Ashokan inscriptions deciphered for the first time?

    • A.

      1787-John Tower

    • B.

      1825-Charles Metcalfe

    • C.

      1837-James Prinsep

    • D.

      1810-Harry Smith

    Correct Answer
    C. 1837-James Prinsep
    Explanation
    James Prinsep deciphered the Ashokan inscriptions for the first time in 1837.

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  • 10. 

    Which of the following is not a characteristic of Indian economy?

    • A.

      Primacy of agriculture

    • B.

      Balance between heavy industry and labour intensive goods

    • C.

      Population pressure

    • D.

      Low per capita income

    Correct Answer
    B. Balance between heavy industry and labour intensive goods
    Explanation
    The Indian economy is characterized by a primacy of agriculture, population pressure, and low per capita income. However, it does not have a balance between heavy industry and labor-intensive goods. This means that heavy industry does not play a significant role in the Indian economy compared to labor-intensive goods.

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  • 11. 

    How many cricketers, who have represented in Test matches, are presently Lok Sabha members?

    • A.

      Two

    • B.

      One

    • C.

      Nil

    • D.

      Three

    Correct Answer
    D. Three
    Explanation
    The correct answer is Three. This means that there are currently three cricketers who have represented in Test matches and are also members of the Lok Sabha.

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  • 12. 

    Which one of the following was created by Pitt's India Act?

    • A.

      Board of Control

    • B.

      Board of Revenue

    • C.

      Standing Council

    • D.

      Court of Directors

    Correct Answer
    A. Board of Control
    Explanation
    Pitt's India Act, passed in 1784, was an act of the British Parliament that aimed to reform the administration of British India. The act created the Board of Control, which was responsible for overseeing and regulating the activities of the East India Company in India. The Board of Control consisted of six members, with the Secretary of State for India as its head. This board was established to ensure that the British government had more control and supervision over the East India Company's actions in India, ultimately leading to greater accountability and governance.

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  • 13. 

    Which day is observed as "International Day of Non-Violence"?

    • A.

      1st May

    • B.

      2nd October

    • C.

      24th October

    • D.

      30th January

    Correct Answer
    B. 2nd October
    Explanation
    The correct answer is 2nd October. This day is observed as the "International Day of Non-Violence" to commemorate the birth anniversary of Mahatma Gandhi, who was a leader of the Indian independence movement and an advocate for non-violence. Gandhi's principles of non-violence and peaceful resistance have had a significant impact on various movements and individuals worldwide.

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  • 14. 

    A white solid 'N on heating gives off a gas which turns lime water milky. The residue is yellow' when hot but turns white on cooling. The solid A is

    • A.

      Zinc carbonate

    • B.

      Lead sulphate

    • C.

      Lead carbonate

    • D.

      Zinc sulphate

    Correct Answer
    A. Zinc carbonate
    Explanation
    When the white solid 'N' is heated, it gives off a gas that turns lime water milky. This indicates the presence of carbon dioxide gas, which is produced when carbonates are heated. The residue left behind after heating is yellow when hot, but it turns white upon cooling. This color change suggests that the yellow residue is a hydrated compound, and upon cooling, the water molecules evaporate, leaving behind the white solid. The only compound that fits this description is zinc carbonate, making it the correct answer.

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  • 15. 

    Which of the following is the strongest coagulant?

    • A.

      Zinc chloride

    • B.

      Aluminum chloride

    • C.

      Barium chloride

    • D.

      Magnesium sulphate

    Correct Answer
    B. Aluminum chloride
    Explanation
    Aluminum chloride is the strongest coagulant among the given options. Coagulants are substances that are used to clump together suspended particles in a liquid, making them easier to remove. Aluminum chloride is commonly used in water treatment processes as it has a high positive charge, which allows it to attract and neutralize negatively charged particles more effectively than the other options. This strong positive charge enables aluminum chloride to form larger and denser flocs, resulting in better coagulation and sedimentation of impurities in water.

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  • 16. 

    Which country is the largest producer of wool?

    • A.

      U.S.A

    • B.

      Australia

    • C.

      Britain

    • D.

      Canada

    Correct Answer
    B. Australia
    Explanation
    Australia is the largest producer of wool due to its ideal climate and vast grazing lands, which support large sheep populations. The country has a long history of sheep farming and wool production, dating back to the early European settlement. Australia's wool industry is known for producing high-quality wool, with a wide range of grades and types. The industry is also supported by advanced technology and efficient production methods, making Australia a major player in the global wool market.

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  • 17. 

    The property which is seen in light wave but 'not in sound wave is:

    • A.

      Diffraction

    • B.

      Refraction

    • C.

      Polarisation

    • D.

      Polarisation

    Correct Answer
    C. Polarisation
    Explanation
    Polarisation is the property that is seen in light waves but not in sound waves. Polarisation refers to the orientation of the electric field vector in a wave. Light waves can be polarised, meaning that the electric field oscillates in a specific direction, while sound waves cannot be polarised. Sound waves are longitudinal waves, where the particles of the medium vibrate parallel to the direction of wave propagation, and there is no specific orientation of the vibration. Therefore, polarisation is a property unique to light waves and not observed in sound waves.

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  • 18. 

    Iron and manganese are removed in water by the process of:

    • A.

      Chlorination

    • B.

      Filtration

    • C.

      Lime-soda treatment

    • D.

      Aeration

    Correct Answer
    D. Aeration
    Explanation
    Aeration is the process of introducing air into water, which helps to remove dissolved iron and manganese. When water containing these metals is exposed to air, the metals oxidize and form solid particles, which can then be filtered out. This process is commonly used in water treatment plants to improve the quality of drinking water by removing these undesirable substances. Chlorination is the process of adding chlorine to water to disinfect it, filtration is the process of passing water through a filter to remove impurities, and lime-soda treatment is a process that uses lime and soda ash to remove hardness-causing minerals from water.

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  • 19. 

    CPU performance is often measured in:

    • A.

      MHz

    • B.

      MIPS

    • C.

      Band rate

    • D.

      GB

    Correct Answer
    B. MIPS
    Explanation
    MIPS stands for Millions of Instructions Per Second and is a commonly used metric to measure CPU performance. It represents the number of instructions that a CPU can execute in one second. Higher MIPS values indicate faster processing speeds and better performance. MHz, on the other hand, measures the clock speed of a CPU, which is not a direct indicator of performance as it only measures the number of cycles per second. Band rate and GB are not commonly used measures for CPU performance.

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  • 20. 

    To promote and popularise which game in India, another Indian League Tournament was launched in 2011 on the lines of IPL?

    • A.

      Volley Ball

    • B.

      Hockey

    • C.

      Basket Ball

    • D.

      Soccer

    Correct Answer
    A. Volley Ball
    Explanation
    In 2011, another Indian League Tournament was launched on the lines of IPL to promote and popularize Volleyball in India. This initiative aimed to increase the popularity of the sport and provide a platform for Indian players to showcase their talent. By organizing a league tournament similar to IPL, it was hoped that Volleyball would gain more attention and participation, leading to the growth and development of the sport in the country.

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  • 21. 

    Which enzyme is obtained from Red gram?

    • A.

      Zymase

    • B.

      Maltase

    • C.

      Diastase

    • D.

      Urease

    Correct Answer
    D. Urease
    Explanation
    Urease is the correct answer because it is the enzyme obtained from Red gram. Urease is an enzyme that catalyzes the hydrolysis of urea into ammonia and carbon dioxide. It is commonly found in plants, bacteria, and fungi. Red gram, also known as pigeon pea, is a type of legume that is known to contain urease. Therefore, urease is the enzyme obtained from Red gram.

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  • 22. 

    Term 'Federal' has been used in the Indian Constitution in:

    • A.

      Part III

    • B.

      Article 36$

    • C.

      Nowhere in the Constitution

    • D.

      Preamble

    Correct Answer
    C. Nowhere in the Constitution
    Explanation
    The term 'Federal' is not mentioned anywhere in the Indian Constitution. The Indian Constitution does not explicitly declare India to be a federal state. However, it does have federal features such as a division of powers between the central and state governments, a written constitution, and an independent judiciary. The Constitution refers to India as a "Union of States" which suggests a quasi-federal structure. Therefore, the term 'Federal' is not used in the Indian Constitution.

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  • 23. 

    Which one of the following African countries is, not a member of OPEC?

    • A.

      Angola

    • B.

      Libya

    • C.

      South Africa

    • D.

      Algeria

    Correct Answer
    C. South Africa
    Explanation
    South Africa is not a member of OPEC because it is not a major oil-producing country. OPEC, which stands for the Organization of the Petroleum Exporting Countries, is a group of countries that aims to coordinate and unify petroleum policies to ensure stable oil prices in the global market. While Angola, Libya, and Algeria are all significant oil producers and members of OPEC, South Africa's economy relies more on other sectors such as mining and manufacturing. Therefore, it does not meet the criteria for OPEC membership.

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  • 24. 

    Who are the price-takers under Perfect Competition?

    • A.

      Industry

    • B.

      Government

    • C.

      Firms

    • D.

      Buyers

    Correct Answer
    C. Firms
    Explanation
    In perfect competition, firms are considered price-takers. This means that they have no control over the price of the product or service they offer. Instead, they must accept the market-determined price set by the forces of supply and demand. Firms in perfect competition have no market power and must compete solely based on factors such as product quality, customer service, and efficiency. Therefore, the correct answer is firms.

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  • 25. 

    Roger Federer won the seventh Wimbledon title in 2012. In which year, he won the sixth Wimbledon title?

    • A.

      2009

    • B.

      2010

    • C.

      2011

    • D.

      2008

    Correct Answer
    A. 2009
    Explanation
    Roger Federer won his sixth Wimbledon title in the year 2009. This can be inferred from the given information that he won his seventh Wimbledon title in 2012. Since the question asks for the year in which he won his sixth title, the correct answer is 2009.

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  • 26. 

    An employment situation where 'the marginal productivity of agricultural 'labour is zero is known as:

    • A.

      Seasonal unemployment

    • B.

      Cyclical unemployment

    • C.

      Disguised unemployment

    • D.

      Structural unemployment

    Correct Answer
    C. Disguised unemployment
    Explanation
    Disguised unemployment refers to a situation where there are more workers in a sector than required for optimal productivity, resulting in zero marginal productivity. In this case, the agricultural sector has excess labor that is not contributing effectively to the output. This type of unemployment is often found in rural areas where there is overemployment in agriculture due to lack of alternative job opportunities.

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  • 27. 

    The indentations on CDs and DVDs are called:

    • A.

      Pits

    • B.

      Clusters

    • C.

      Tracks

    • D.

      Lands

    Correct Answer
    C. Tracks
    Explanation
    The indentations on CDs and DVDs are called tracks. Tracks are spiral-shaped grooves that are physically etched onto the surface of the disc. These tracks are used to guide the laser beam during the reading and writing processes. The data is stored as a series of microscopic pits and lands within these tracks, with the pits representing binary 0 and the lands representing binary 1. By following the tracks, the laser can accurately read and interpret the data stored on the disc.

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  • 28. 

    Spot the odd item in the following:

    • A.

      Red Sea

    • B.

      Black Sea

    • C.

      Caspian Sea

    • D.

      Dead Sea

    Correct Answer
    A. Red Sea
    Explanation
    The Red Sea is the odd item in the list because it is the only sea that is named after a color, while the other seas are named after geographical locations or characteristics.

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  • 29. 

    Which one of the following items comes under the Concurrent List?

    • A.

      Trade Unions

    • B.

      Citizenship

    • C.

      Local Government

    • D.

      Inter-State rivers

    Correct Answer
    A. Trade Unions
    Explanation
    Trade Unions come under the Concurrent List because they are subject to both the central and state governments' jurisdiction. The Concurrent List includes subjects on which both the central and state governments can make laws. Trade Unions fall under this list as they are regulated by both central and state laws, ensuring that workers' rights and labor laws are protected and enforced at both levels of government.

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  • 30. 

    A radioactive substance has a half-life of four months. Three-fourth of the substance will decay in:

    • A.

      8 months

    • B.

      12 months

    • C.

      4 months

    • D.

      6 months

    Correct Answer
    A. 8 months
    Explanation
    In the given question, it is mentioned that the half-life of the radioactive substance is four months. This means that in every four months, half of the substance will decay. Therefore, if three-fourth of the substance decays, it will take two half-lives, which is equal to eight months. So, the correct answer is 8 months.

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  • 31. 

    Which one of the following National Park! Sanctuary is not in Rajasthan?

    • A.

      Sariska National Park

    • B.

      Sambar Wildlife Sanctuary

    • C.

      Rajaji National Park

    • D.

      Rhanthambore National Park

    Correct Answer
    C. Rajaji National Park
    Explanation
    Rajaji National Park is not in Rajasthan. It is actually located in the state of Uttarakhand. The other three options, Sariska National Park, Sambar Wildlife Sanctuary, and Ranthambore National Park, are all located in Rajasthan.

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  • 32. 

    Which country will host the next meet of CHOGM (Commonwealth Heads of Government Meet) in 2013?

    • A.

      U.K

    • B.

      Mauritius

    • C.

      Sri Lanka

    • D.

      India

    Correct Answer
    C. Sri Lanka
    Explanation
    Sri Lanka will host the next meet of CHOGM in 2013.

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  • 33. 

    Chiropterophily means:

    • A.

      Production of flowers

    • B.

      Pollination by wind

    • C.

      Pollination by bat

    • D.

      Production of leaves

    Correct Answer
    C. Pollination by bat
    Explanation
    Chiropterophily refers to the process of pollination by bats. Bats play a crucial role in the pollination of certain plants, particularly those that bloom at night and have strong scents or produce nectar. Bats are attracted to these plants and while feeding on nectar, they inadvertently transfer pollen from the male reproductive parts of one flower to the female reproductive parts of another flower, facilitating pollination. This unique form of pollination is essential for the reproduction and survival of many plant species.

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  • 34. 

    Which one of following is called the primary pace maker of the heart?

    • A.

      A.V. Node

    • B.

      Chordae tendinae

    • C.

      A. V. Septum

    • D.

      S. A. Node

    Correct Answer
    D. S. A. Node
    Explanation
    The S. A. Node, also known as the sinoatrial node, is called the primary pacemaker of the heart. It is responsible for initiating the electrical signals that regulate the heart's rhythm and coordinate the contractions of the atria. The S. A. Node is located in the right atrium near the opening of the superior vena cava. It generates electrical impulses that travel through the atria, causing them to contract and pump blood into the ventricles. From there, the impulses are transmitted to the A. V. Node, which further relays them to the ventricles, causing them to contract and pump blood out of the heart.

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  • 35. 

    When granite rocks get metamorphosed, they change into

    • A.

      Felspar

    • B.

      Gneiss

    • C.

      Quartzite

    • D.

      Marble

    Correct Answer
    B. Gneiss
    Explanation
    When granite rocks undergo metamorphism, they can transform into gneiss. Gneiss is a high-grade metamorphic rock that forms from the recrystallization of granite under intense heat and pressure. It is characterized by its banded appearance and the segregation of light and dark mineral layers. This transformation occurs due to the reorganization of minerals and the development of new mineral assemblages during metamorphism.

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  • 36. 

    Which one among the following is a solid lubricant?

    • A.

      Germanium

    • B.

      Sulphur

    • C.

      Graphite

    • D.

      Indium

    Correct Answer
    C. Graphite
    Explanation
    Graphite is a solid lubricant because of its unique structure and properties. It has a layered crystal lattice structure with weak interlayer forces, allowing the layers to slide over each other easily. This results in low friction and smooth movement, making graphite an effective lubricant. Additionally, graphite has a high melting point and is chemically stable, making it suitable for use in high-temperature and harsh environments. Germanium, sulphur, and indium do not possess the same lubricating properties as graphite.

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  • 37. 

    Lakshmibai National Institute of Physical Education (LNIPE) is in:

    • A.

      Patiala

    • B.

      Gwalior

    • C.

      Indore

    • D.

      Jhansi

    Correct Answer
    B. Gwalior
    Explanation
    Lakshmibai National Institute of Physical Education (LNIPE) is located in Gwalior.

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  • 38. 

    The concept of 'Carbon credit' originated from:

    • A.

      Earth Summit, Rie-de-Janerio

    • B.

      Kyoto Protocol

    • C.

      Montreal Protocol

    • D.

      None of the above

    Correct Answer
    B. Kyoto Protocol
    Explanation
    The concept of 'Carbon credit' originated from the Kyoto Protocol. The Kyoto Protocol is an international treaty that was adopted in 1997 and aimed at reducing greenhouse gas emissions. It introduced the concept of carbon credits as a way to incentivize countries and organizations to reduce their carbon dioxide emissions. Carbon credits are a tradable permit or certificate that represents the right to emit one ton of carbon dioxide or an equivalent amount of greenhouse gases. This system allows countries and organizations to offset their emissions by purchasing carbon credits from entities that have reduced their emissions below their allocated levels.

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  • 39. 

    Which Amendment of the Constitution deals with Political defections?

    • A.

      50th

    • B.

      52nd

    • C.

      60th

    • D.

      44th

    Correct Answer
    B. 52nd
    Explanation
    The 52nd Amendment of the Constitution deals with Political defections.

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  • 40. 

    Which schedule of the Indian Constitution prescribes distribution of seats in Rajya Sabha?

    • A.

      4th schedule

    • B.

      5th schedule

    • C.

      6th schedule

    • D.

      3rd schedule

    Correct Answer
    A. 4th schedule
    Explanation
    The 4th schedule of the Indian Constitution prescribes the distribution of seats in the Rajya Sabha. This schedule contains the allocation of seats to each state and union territory in the Rajya Sabha, specifying the number of seats each entity is entitled to. It also includes provisions for the representation of Scheduled Castes and Scheduled Tribes in the Rajya Sabha.

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  • 41. 

    Who said in the Constituent Assembly that the Directive Principles of the State Policy are like a "Cheque on a bank payable at the convenience of the bank"?

    • A.

      K.M. Munshi

    • B.

      B.R. Ambedkar

    • C.

      Austin

    • D.

      KT. Shah

    Correct Answer
    D. KT. Shah
    Explanation
    KT. Shah said in the Constituent Assembly that the Directive Principles of the State Policy are like a "Cheque on a bank payable at the convenience of the bank".

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  • 42. 

    Longest cell in human body is:

    • A.

      Blood cell

    • B.

      Bone cells

    • C.

      Nerve cell

    • D.

      Muscle cell

    Correct Answer
    C. Nerve cell
    Explanation
    The nerve cell, also known as a neuron, is the longest cell in the human body. Nerve cells can extend from the spinal cord all the way down to the toes, making them the longest single cells. These cells are responsible for transmitting electrical signals throughout the body, allowing for communication between different parts of the nervous system.

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  • 43. 

    Which of the following is associated with Panchayati Raj?

    • A.

      Nanavati Commission

    • B.

      Balwant Rai Mehta Committee

    • C.

      Liberhan Commission

    • D.

      Shah Commission

    Correct Answer
    B. Balwant Rai Mehta Committee
    Explanation
    The Balwant Rai Mehta Committee is associated with Panchayati Raj. The committee was formed in 1957 to examine the working of the Community Development Program and the National Extension Service and to suggest measures for their better working. The committee recommended the establishment of a three-tier Panchayati Raj system, consisting of Gram Panchayats at the village level, Panchayat Samitis at the block level, and Zilla Parishads at the district level. This recommendation led to the enactment of the Panchayati Raj Act in 1959, which laid the foundation for decentralized governance in rural areas of India.

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  • 44. 

    The acid-rain destroys the vegetation because it contains:

    • A.

      Ozone

    • B.

      Carbon monoxide

    • C.

      Sulphuric acid

    • D.

      Nitrates

    Correct Answer
    C. Sulphuric acid
    Explanation
    Sulphuric acid is the correct answer because it is a highly corrosive acid that can cause damage to plants and vegetation. When acid rain falls on plants, it can burn and damage their leaves, stems, and roots. This can lead to reduced growth, wilting, and even death of the plants. Additionally, sulphuric acid can also leach important nutrients from the soil, further harming the vegetation.

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  • 45. 

    Activated sludge treatment is called:

    • A.

      Preliminary treatment

    • B.

      Biological treatment

    • C.

      Pre treatment

    • D.

      Chemical treatment

    Correct Answer
    B. Biological treatment
    Explanation
    Activated sludge treatment is called biological treatment because it involves the use of microorganisms to break down organic matter in wastewater. In this process, wastewater is mixed with a culture of microorganisms in a tank, allowing the microorganisms to consume the organic pollutants. The microorganisms form a floc, or "activated sludge," which settles and is separated from the treated water. This method relies on the natural biological processes of microorganisms to effectively treat wastewater, making it a form of biological treatment.

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  • 46. 

    Amuktamalyada is the work of:

    • A.

      Krishnadeva Raya

    • B.

      Vachcharaj

    • C.

      Kharavela

    • D.

      Allasani Peddana

    Correct Answer
    A. Krishnadeva Raya
    Explanation
    Amuktamalyada is a famous Telugu literary work written by Krishnadeva Raya. Krishnadeva Raya was a renowned emperor of the Vijayanagara Empire and a patron of arts and literature. He composed Amuktamalyada in the 16th century, which is considered a masterpiece in Telugu literature. The poem narrates the story of the marriage of Lord Vishnu (as Ranganatha) with Andal (a devotee of Vishnu). Krishnadeva Raya's authorship of Amuktamalyada is well-documented and widely acknowledged in literary circles.

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  • 47. 

    Caustic soda is:

    • A.

      Deliquescent

    • B.

      Oxidant

    • C.

      Reductant

    • D.

      Efflorescent

    Correct Answer
    A. Deliquescent
    Explanation
    Caustic soda is deliquescent, meaning it has the ability to absorb moisture from the air and dissolve in it. This property makes it highly hygroscopic and causes it to form a concentrated solution when exposed to humid conditions.

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  • 48. 

    Red light is used in traffic signal for stopping the traffic because:

    • A.

      Eye is more sensitive to red light

    • B.

      It is least scattered and hence can be easily noticed from long distance

    • C.

      It is very pleasant to the eye

    • D.

      It is visible even to longsighted people

    Correct Answer
    B. It is least scattered and hence can be easily noticed from long distance
    Explanation
    The correct answer is "it is least scattered and hence can be easily noticed from long distance." Red light has a longer wavelength compared to other colors, which makes it less prone to scattering. This means that red light can travel a longer distance without getting scattered, making it more visible from a distance. Therefore, it is used in traffic signals to ensure that drivers can easily spot the signal and stop their vehicles.

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  • 49. 

    Programs which protect a disk from an infection are called as:

    • A.

      Vaccines

    • B.

      Antidotes

    • C.

      Library routines

    • D.

      Interpreters

    Correct Answer
    A. Vaccines
    Explanation
    Vaccines are programs that protect a disk from infections. Just like a medical vaccine protects the human body from diseases, disk vaccines protect the computer's disk from getting infected by viruses or malware. They work by detecting and removing any harmful code or files that may try to infect the disk. By using vaccines, users can prevent their disks from being compromised and ensure the security of their data and system.

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  • 50. 

    Which one of the following is a raw material oriented industry?

    • A.

      Sugar industry

    • B.

      Petroleum refinery

    • C.

      Light engineering industry

    • D.

      Ship building

    Correct Answer
    A. Sugar industry
    Explanation
    The sugar industry is a raw material oriented industry because it relies on the processing of raw materials such as sugarcane or sugar beets to produce sugar. The raw materials undergo various stages of processing, including extraction, purification, and refining, to obtain the final product. In contrast, the other options mentioned are not primarily dependent on raw materials for their production processes. Petroleum refineries process crude oil into various petroleum products, light engineering industries manufacture products using a combination of raw materials and components, and shipbuilding involves the construction of ships using various materials and components.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 20, 2013
    Quiz Created by
    Tanmay Shankar
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