Global Warming MCQs
Global Warming – MCQs with Answers & Explanations
Class: 11 |
Subject: Economics |
Section: Environment & Sustainable Development |
Topic: Global Warming |
Board: CBSE
These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 11 Board Examinations. Each question includes detailed explanations for concept clarity.
1. Global warming refers to:
Answer: B
It is caused by accumulation of greenhouse gases.
2. Main greenhouse gas is:
Answer: C
CO₂ traps heat in the atmosphere.
3. Burning fossil fuels releases:
Answer: B
Major contributor to warming.
4. Deforestation increases global warming because it reduces:
Answer: A
Trees absorb CO₂.
5. Global warming leads to:
Answer: A
Melting ice raises oceans.
6. Methane is emitted from:
Answer: A
Agriculture is a methane source.
7. Kyoto Protocol deals with:
Answer: B
Emission reduction treaty.
8. Paris Agreement aims to:
Answer: A
Keeps warming below 2°C.
9. Renewable energy reduces:
Answer: A
Less fossil fuel burning.
10. Global warming affects agriculture by:
Answer: A
Climate shifts harm crops.
11. Greenhouse effect is:
Answer: A
Gases retain solar heat.
12. Major contributor country‑wise:
Answer: A
Higher emissions historically.
13. Climate change causes:
Answer: A
Storms, droughts intensify.
14. Carbon footprint measures:
Answer: A
Individual emission level.
15. Afforestation helps by:
Answer: A
Trees act as carbon sinks.
16. Global warming melts:
Answer: A
Polar ice caps shrink.
17. Ocean warming affects:
Answer: A
Coral bleaching occurs.
18. Sustainable solution is:
Answer: A
Reduces emissions.
19. Global warming threatens:
Answer: A
Species face extinction risk.
20. Long‑term effect includes:
Answer: A
Alters global climate systems.
