Unit 9. People, Development and Environment

UGC NET JRF Paper 1 Free Unit-wise Test Series.

Question (1/10)


Q.1. Which of the following gases is primarily responsible for global warming?

(A). Oxygen

(B). Nitrogen

(C). Carbon Dioxide

(D). Hydrogen


Answer: (C). Carbon Dioxide


Explanation: Carbon dioxide (CO₂) is a greenhouse gas that traps heat in the atmosphere, leading to global warming. Its increased concentration due to human activities like burning fossil fuels is a major contributor to climate change.



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