UPSC Prelims 2023 · GS Paper I

Environment questions from UPSC 2023

Review every Environment question in the 2023 paper with its answer and study explanation, then launch the same set under timed exam conditions.

Topic distribution

Animal Behavior · 3Climate Change Mitigation · 2Environmental Pollution · 2Animal Behaviour & Ecology · 1Aquaculture Technology · 1Biodiversity Governance · 1Biogeography · 1Botany · 1Environmental Law & Governance · 1Environmental Organizations · 1Renewable Energy · 1Water Resources · 1

All 2023 Environment questions

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

How answers are prepared
  1. Question 1 · Environmental Organizations

    'Invasive Species Specialist Group' (that develops Global Invasive Species Database) belongs to which one of the following organizations?

  2. Question 2 · Water Resources

    Consider the following statements : Statement-I : According to the United Nations' 'World Water Development Report, 2022', India extracts more than a quarter of the world's groundwater withd...

  3. Question 3 · Environmental Law & Governance

    Consider the following statements : Once the Central Government notifies an area as a 'Community Reserve' 1. the Chief Wildlife Warden of the State becomes the governing authority of such fo...

  4. Question 4 · Climate Change Mitigation

    Consider the following statements : Statement-I : Carbon markets are likely to be one of the most widespread tools in the fight against climate change. Statement-II : Carbon markets transfer...

  5. Question 5 · Renewable Energy

    Consider the following heavy industries : 1. Fertilizer plants 2. Oil refineries 3. Steel plants Green hydrogen is expected to play a significant role in decarbonizing how many of the above...

  6. Question 6 · Biogeography

    Consider the following statements : Statement-I : Marsupials are not naturally found in India. Statement-II : Marsupials can thrive only in montane grasslands with no predators. Which one of...

  7. Question 7 · Climate Change Mitigation

    Consider the following activities : 1. Spreading finely ground basalt rock on farmlands extensively 2. Increasing the alkalinity of oceans by adding lime 3. Capturing carbon dioxide released...

  8. Question 8 · Environmental Pollution

    Consider the following statements regarding mercury pollution : 1. Gold mining activity is a source of mercury pollution in the world. 2. Coal-based thermal power plants cause mercury pollut...

  9. Question 9 · Aquaculture Technology

    With reference to the role of biofilters in Recirculating Aquaculture System, consider the following statements : 1. Biofilters provide waste treatment by removing uneaten fish feed. 2. Biof...

  10. Question 10 · Biodiversity Governance

    Consider the following statements : 1. In India, the Biodiversity Management Committees are key to the realization of the objectives of the Nagoya Protocol. 2. The Biodiversity Management Co...

  11. Question 11 · Botany

    Consider the following trees : 1. Jackfruit (Artocarpus heterophyllus) 2. Mahua (Madhuca indica) 3. Teak (Tectona grandis) How many of the above are deciduous trees?

  12. Question 12 · Animal Behavior

    Which of the following organisms perform waggle dance for others of their kin to indicate the direction and the distance to a source of their food?

  13. Question 13 · Animal Behavior

    Consider the following statements regarding the Indian squirrels : 1. They build nests by making burrows in the ground. 2. They store their food materials like nuts and seeds in the ground....

  14. Question 14 · Environmental Pollution

    Consider the following : 1. Aerosols 2. Foam agents 3. Fire retardants 4. Lubricants In the making of how many of the above are hydrofluorocarbons used?

  15. Question 15 · Animal Behavior

    Which one of the following makes a tool with a stick to scrape insects from a hole in a tree or a log of wood?

  16. Question 16 · Animal Behaviour & Ecology

    Consider the following fauna : 1. Lion-tailed Macaque 2. Malabar Civet 3. Sambar Deer How many of the above are generally nocturnal or most active after sunset?