UPSC Prelims 2020 · GS Paper I

Environment questions from UPSC 2020

Review every Environment question in the 2020 paper with its answer and study explanation, then launch the same set under timed exam conditions.

Topic distribution

Biodiversity - Species & Protected Areas · 2Protected Areas · 2Sustainable Agriculture · 2Agriculture - Sustainable Farming · 1Biodiversity · 1Biodiversity - Animal Characteristics · 1Climate Change Economics · 1Environment - Water Resources · 1Environment - Wildlife Protection Act · 1Environmental Pollution · 1Environmental Pollution - Thermal Power Plants · 1Environmental Technology - Waste Utilization · 1

All 2020 Environment questions

Open any question for the full options, answer, explanation, and syllabus metadata.

How answers are prepared
  1. Question 1 · Sustainable Agriculture

    In the context of India, which of the following is/are considered to be practice(s) of eco-friendly agriculture ? 1. Crop diversification 2. Legume intensification 3. Tensiometer use 4. Vert...

  2. Question 2 · Biodiversity

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

  3. Question 3 · Sustainable Infrastructure

    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 techno...

  4. Question 4 · Biodiversity - Species & Protected Areas

    Which one of the following protected areas is well-known for the conservation of a sub-species of the Indian swamp deer (Barasingha) that thrives well on hard ground and is exclusively grami...

  5. Question 5 · Protected Areas

    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...

  6. Question 6 · Environmental Technology - Waste Utilization

    Steel slag can be the material for which of the following? 1. Construction of base road 2. Improvement of agricultural soil 3. Production of cement Select the correct answer using the code g...

  7. Question 7 · Biodiversity - Species & Protected Areas

    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. Mana...

  8. Question 8 · Geography - Protected Areas & River Basins

    Which of the following Protected Areas are located in Cauvery basin ? 1. Nagarhole National Park 2. Papikonda National Park 3. Sathyamangalam Tiger Reserve 4. Wayanad Wildlife Sanctuary Sele...

  9. Question 9 · Biodiversity - Animal Characteristics

    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 n...

  10. Question 10 · Agriculture - Sustainable Farming

    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...

  11. Question 11 · Protected Areas

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

  12. Question 12 · Environmental Pollution - Thermal Power Plants

    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 as...

  13. Question 13 · Environment - Wildlife Protection Act

    If a particular plant species is placed under Schedule VI of The Wildlife Protection Act, 1972, what is the implication?

  14. Question 14 · Environmental Pollution

    Which of the following are the reasons/factors for exposure to benzene pollution? 1. Automobile exhaust 2. Tobacco smoke 3. Wood burning 4. Using varnished wooden furniture 5. Using products...

  15. Question 15 · Renewable Energy

    According to India's National Policy on Biofuels, which of the following can be used as raw materials for the production of biofuels ? 1. Cassava 2. Damaged wheat grains 3. Groundnut seeds 4...

  16. Question 16 · Environment - Water Resources

    Consider the following statements : 1. 36% of India's districts are classified as "overexploited" or "critical" by the Central Ground Water Authority (CGWA). 2. CGWA was formed under the Env...

  17. Question 17 · Climate Change Economics

    Which one of the following statements best describes the term 'Social Cost of Carbon'? It is a measure, in monetary value, of the

  18. Question 18 · Sustainable Agriculture

    What is/are the advantage/advantages of zero tillage in agriculture ? 1. Sowing of wheat is possible without burning the residue of previous crop. 2. Without the need for nursery of rice sap...