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Environmental Issues - Class XII Biology Quiz

Class XII
Biology
Environmental Issues
12 questions
HARD

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Preview questions

1. What is the primary cause of ozone layer depletion?

Carbon dioxide emissions · Chlorofluorocarbons (CFCs) · Methane production · Nitrous oxide

2. Which of the following is a major consequence of global warming?

Increased biodiversity · Melting of polar ice caps · Decreased sea levels · Enhanced soil fertility

3. What is the term for the gradual increase in the Earth's average temperature?

Greenhouse effect · Climate change · Global warming · Ozone depletion

4. Which gas is primarily responsible for the greenhouse effect?

Oxygen · Nitrogen · Carbon dioxide · Argon

5. What is the main source of acid rain?

Carbon monoxide · Sulfur dioxide · Ozone · Methane