UPSC Prelims 2022 Environment & Ecology

UPSC Prelims 2022 Environment & Ecology PYQs — start a timed practice test with explanations. 18 questions.

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Ancient History 1 Art & Culture 7 Economy 16 Environment & Ecology 18 Geography 10 Indian Polity 11 International Relations 11 Medieval History 5 Modern History 3 Science & Technology 15 Social Issues & Schemes 3

Question 1 Easy

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

Question 2 Easy

The "Miyawaki method" is well known for the:

Question 3 Easy

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 the cause(s) of acid ...

Question 4 Medium

Consider the following statements: 1. Gujarat has the largest solar park in India. 2. Kerala has a fully solar powered International Airport. 3. Goa has the largest f...

Question 5 Easy

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

Question 6 Medium

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 an...

Question 7 Easy

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

Question 8 Hard

Consider the following pairs: Wetland/Lake - Location 1. Hokera Wetland - Punjab 2. Renuka Wetland - Himachal Pradesh 3. Rudrasagar Lake - Tripura 4. Sasthamkotta - T...

Question 9 Hard

Which one of the following lakes of West Africa has become dry and turned into a desert?

Question 10 Medium

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

Question 11 Medium

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

Question 12 Easy

"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 r...