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UPSC CSE Solved Test Paper (English & Hindi)

UPSC Prelims 2020 Question Paper

Explore the complete solved question paper for UPSC Prelims 2020 featuring 100 solved questions with bilingual (English & Hindi) explanations, official answer key, and subject weightage breakdown.

In India, separation of judiciary from the executive is enjoined by

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Consider the following statements:

  1. The Constitution of India defines its ‘basic structure’ in terms of federalism, secularism, fundamental rights and democracy.
  2. The Constitution of India provides for ‘judicial review’ to safeguard the citizens’ liberties and to preserve the ideals on which the Constitution is based.

Which of the statements given above is/are correct?

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Which one of the following categories of Fundamental Rights incorporates protection against untouchability as a form of discrimination?

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Which part of the Constitution of India declares the ideal of Welfare State?

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Consider the following pairs:

River Flows into
1. Mekong Andaman Sea
2. Thames Irish Sea
3. Volga Caspian Sea
4. Zambezi Indian Ocean

Which of the pairs given above is/are correctly matched?

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With reference to the current trends in the cultivation of sugarcane in India, consider the following statements:

  1. A substantial saving in seed material is made when ‘bud chip settlings’ are raised in a nursery and transplanted in the main field.
  2. When direct planting of setts is done, the germination percentage is better with singlebudded setts as compared to setts with many buds.
  3. If bad weather conditions prevail when setts are directly planted, single-budded setts have better survival as compared to large setts.
  4. Sugarcane can be cultivated using settlings prepared from tissue culture.

Which of the statements given above is/are correct?

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With reference to Ocean Mean Temperature (OMT), which of the following statements is/are correct?

  1. OMT is measured up to a depth of 26°C isotherm which is 129 meters in the south-western Indian Ocean during January-March.
  2. OMT collected during January-March can be used in assessing whether the amount of rainfall in monsoon will be less or more than a certain long-term mean.

Select the correct answer using the code given below:

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Consider the following statements:

  1. Jet streams occur in the Northern Hemisphere only.
  2. Only some cyclones develop an eye.
  3. The temperature inside the eye of a cyclone is nearly 10°C lesser than that of the surroundings.

Which of the statements given above is/are correct ?

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Siachen Glacier is situated to the

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Consider the following minerals:

  1. Bentonite
  2. Chromite
  3. Kyanite
  4. Sillimanite

In India, which of the above is/are officially designated as major minerals?

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With reference to pulse production in India, consider the following statements:

  1. Black gram can be cultivated as both kharif and rabi crop.
  2. Green-gram alone accounts for nearly half of pulse production.
  3. In the last three decades, while the production of kharif pulses has increased, the production of rabi pulses has decreased.

Which of the statements given above is/are correct?

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The crop is subtropical in nature. A hard frost is injurious to it. It requires at least 210 frost-free days and 50 to 100 centimetres of rainfall for its growth. A light well-drained soil capable of retaining moisture is ideally suited for the cultivation of the crop. Which one of the following is that crop?

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Among the following Tiger Reserves, which one has the largest area under “Critical Tiger Habitat”?

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Consider the following statements:

  1. Coal ash contains arsenic, lead and mercury.
  2. Coal-fired power plants release Sulphur dioxide and oxides of nitrogen into the environment.
  3. High ash content is observed in Indian coal.

Which of the statements given above is/are correct?

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With reference to India’s Desert National Park, which of the following statements are correct?

  1. It is spread over two districts.
  2. There is no human habitation inside the Park.
  3. It is one of the natural habitats of Great Indian Bustard.

Select the correct answer using the code given below:

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With reference to India’s biodiversity, Ceylon frogmouth, Coppersmith barbet, Gray-chinned minivet and White-throated redstart are

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What is the use of biochar in farming?

  1. Biochar can be used as a part of the growing medium in vertical farming.
  2. When biochar is a part of the growing medium, it promotes the growth of nitrogen-fixing microorganisms.
  3. When biochar is a part of the growing medium, it enables the growing medium to retain water for longer time.

Which of the statements given above is/are correct?

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In rural road construction, the use of which of the following is preferred for ensuring environmental sustainability or to reduce carbon footprint?

  1. Copper slag
  2. Cold mix asphalt technology
  3. Geotextiles
  4. Hot mix asphalt technology
  5. Portlant cement

Select the correct answer using the code given below:

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Which of the following are the most likely places to find the musk deer in its natural habitat?

  1. Askot Wildlife Sanctuary
  2. Gangotri National Park
  3. Kishanpur Wildlife Sanctuary
  4. Manas National Park

Select the correct answer using the code given below:

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With reference to Indian elephants, consider the following statements:

  1. The leader of an elephant group is a female.
  2. The maximum gestation period can be 22 months.
  3. An elephant can normally go on calving till the age of 40 years only.
  4. Among the States in India, the highest elephant population is in Kerala.

Which of the statements given above is/are correct?

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Showing 41 to 60 of 100 questions

Frequently Asked Questions

UPSC Prelims 2020 Question Paper - FAQs & Analysis

Q1 How many total questions were asked in UPSC Prelims 2020?

The UPSC Prelims 2020 examination paper consists of 100 solved questions. All questions include verified answer keys and detailed bilingual explanations.

Q2 What is the subject-wise question breakdown for UPSC Prelims 2020?

The subject-wise distribution of questions asked in UPSC Prelims 2020 is as follows:
  • Indian Economy: 23 questions (23%)
  • Environment & Ecology: 19 questions (19%)
  • Indian Polity: 17 questions (17%)
  • Science & Technology: 13 questions (13%)
  • Modern History: 9 questions (9%)
  • Ancient History: 8 questions (8%)
  • World Geography: 4 questions (4%)
  • International Relations: 3 questions (3%)
  • Indian Geography: 2 questions (2%)
  • Medieval History: 2 questions (2%)

Q3 Which subject had the highest weightage in UPSC Prelims 2020?

In UPSC Prelims 2020, Indian Economy carried the maximum weightage with 23 questions (approx. 23% of the complete paper).

Q4 Are solved questions for UPSC Prelims 2020 available in both English & Hindi?

Yes! All solved questions, answer keys, and step-by-step explanations for UPSC Prelims 2020 are 100% bilingual on Saarthik, catering to both English Medium and Hindi Medium (हिंदी माध्यम) aspirants.

Q5 How can I analyze and practice UPSC Prelims 2020 PYQs topic-wise?

You can filter the UPSC Prelims 2020 paper by clicking any subject tab above (such as Polity, Economy, Geography, or Environment) to practice solved questions by topic with detailed explanations.
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