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Home › Environmental Studies › Climate Change & Global Warming

Climate Change & Global Warming — Environmental Studies Questions & Practice

Practise 28 Climate Change & Global Warming questions from Environmental Studies for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong.

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Practice questions on Climate Change & Global Warming — with answers

Try each question first, then open the answer. Explanations are included.

1. Which of the following gases is generally considered the single largest contributor to the anthropogenic greenhouse effect?

  1. AMethane
  2. BCarbon dioxide
  3. CNitrous oxide
  4. DOzone
Show answer

Answer: B

Carbon dioxide, released chiefly from burning fossil fuels, is the largest single contributor to human-caused (anthropogenic) global warming.

2. The natural process by which certain atmospheric gases trap heat from the sun, keeping Earth warm enough to sustain life, is known as the:

  1. AOzone effect
  2. BGreenhouse effect
  3. CAlbedo effect
  4. DCoriolis effect
Show answer

Answer: B

The greenhouse effect is the natural process by which gases like carbon dioxide and methane trap heat in the atmosphere, maintaining a habitable temperature on Earth.

3. Per molecule and over a shorter time frame, which greenhouse gas generally has a significantly higher global warming potential than carbon dioxide?

  1. AOxygen
  2. BMethane
  3. CNitrogen
  4. DArgon
Show answer

Answer: B

Methane, though shorter-lived than carbon dioxide in the atmosphere, has a significantly higher global warming potential per molecule over a shorter time frame.

4. The Intergovernmental Panel on Climate Change (IPCC), which assesses the science of climate change, was established in which year?

  1. A1972
  2. B1988
  3. C1992
  4. D1997
Show answer

Answer: B

The IPCC was established in 1988 by the United Nations Environment Programme (UNEP) and the World Meteorological Organization (WMO).

5. The United Nations Framework Convention on Climate Change (UNFCCC) was adopted at which international summit?

  1. AStockholm Conference, 1972
  2. BRio Earth Summit, 1992
  3. CKyoto Conference, 1997
  4. DParis Conference, 2015
Show answer

Answer: B

The UNFCCC was adopted at the 1992 Rio Earth Summit, laying the foundation for subsequent international climate agreements like the Kyoto Protocol and Paris Agreement.

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