Environmental Issues - Class XII Biology Quiz
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Preview questions
1. What is the main cause of air pollution in urban areas?
Industrial emissions · Agricultural practices · Natural disasters · Waste disposal
2. Which of the following is a greenhouse gas?
Oxygen · Nitrogen · Carbon dioxide · Argon
3. What is the term for the loss of biodiversity?
Extinction · Conservation · Degradation · Pollution
4. Which of the following is a consequence of deforestation?
Increased rainfall · Soil erosion · Biodiversity increase · Air purification
5. What is the primary source of water pollution?
Plastic waste · Sewage discharge · Industrial runoff · Agricultural fertilizers
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