UPSC Prelims 2022 · GS Paper I

Environment questions from UPSC 2022

Review every Environment question in the 2022 paper with its answer and study explanation, then launch the same set under timed exam conditions.

Topic distribution

Climate Change Mitigation · 2Air Pollution · 1Animal Behavior / Symbiosis · 1Biodiversity (Animal Classification) · 1Biodiversity (Fungi) · 1Environmental Ethics / Corporate Responsibility · 1Environmental Governance / Legislation · 1Environmental Pollution · 1Greenhouse Gas Emissions · 1International Environmental Law / Maritime Safety · 1Marine Conservation Technology · 1Plant Nutrition / Agriculture · 1

All 2022 Environment questions

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

How answers are prepared
  1. Question 1 · Marine Conservation Technology

    "Biorock technology" is talked about in which one of the following situations?

  2. Question 2 · Climate Change Mitigation

    "Climate Action Tracker" which monitors the emission reduction pledges of different countries is a :

  3. Question 3 · International Environmental Law / Maritime Safety

    Which one of the following statements best describes the 'Polar Code' ?

  4. Question 4 · Urban Ecology / Forestry

    The "Miyawaki method" is well known for the :

  5. Question 5 · Wildlife Protection Law

    With reference to Indian laws about wildlife protection, consider the following statements : 1. Wild animals are the sole property of the government. 2. When a wild animal is declared protec...

  6. Question 6 · Environmental Pollution

    Consider the following : 1. Carbon monoxide 2. Nitrogen oxide 3. Ozone 4. Sulphur dioxide Excess of which of the above in the environment is/are cause(s) of acid rain ?

  7. Question 7 · Air Pollution

    In the context of WHO Air Quality Guidelines, consider the following statements : 1. The 24-hour mean of PM2.5 should not exceed 15 µg/m³ and annual mean of PM2.5 should not exceed 5 µg/m³....

  8. Question 8 · Environmental Ethics / Corporate Responsibility

    Which one of the following best describes the term "greenwashing"?

  9. Question 9 · Sustainable Agriculture

    "System of Rice Intensification" of cultivation, in which alternate wetting and drying of rice fields is practised, results in : 1. Reduced seed requirement 2. Reduced methane production 3....

  10. Question 10 · Climate Change Mitigation

    Consider the following statements : 1. "The Climate Group" is an international non-profit organization that drives climate action by building large networks and runs them. 2. The Internation...

  11. Question 11 · Environmental Governance / Legislation

    Which one of the following has been constituted under the Environment (Protection) Act, 1986 ?

  12. Question 12 · Protected Areas

    Consider the following pairs : Wetland/Lake — Location 1. Hokera Wetland — Punjab 2. Renuka Wetland — Himachal Pradesh 3. Rudrasagar Lake — Tripura 4. Sasthamkotta Lake — Tamil Nadu How many...

  13. Question 13 · Greenhouse Gas Emissions

    Among the following crops, which one is the most important anthropogenic source of both methane and nitrous oxide ?

  14. Question 14 · Biodiversity (Animal Classification)

    Which of the following is not a bird ?

  15. Question 15 · Animal Behavior / Symbiosis

    Certain species of which one of the following organisms are well known as cultivators of fungi ?

  16. Question 16 · Plant Nutrition / Agriculture

    Which of the following are nitrogen-fixing plants ? 1. Alfalfa 2. Amaranth 3. Chickpea 4. Clover 5. Purslane (Kulfa) 6. Spinach Select the correct answer using the code given below :

  17. Question 17 · Wetlands

    "If rainforests and tropical forests are the lungs of the Earth, then surely wetlands function as its kidneys." Which one of the following functions of wetlands best reflects the above state...

  18. Question 18 · Biodiversity (Fungi)

    With reference to "Gucchi" sometimes mentioned in the news, consider the following statements : 1. It is a fungus. 2. It grows in some Himalayan forest areas. 3. It is commercially cultivate...