Class 12 Biology Chapter 16 Environmental Issues Quiz 69 (12 MCQs)

Quiz Instructions

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1. It is difficult to grow crops in much of inland Africa MAINLY because of the region's lack of

Correct Answer: D) Water.

2. Farming, preparing soil for growing crops

Correct Answer: B) Agriculture.

3. What type of environmental issues does Brazil face?

Correct Answer: B) Deforestation.

4. Which of the following are examples of minerals found in Canada?

Correct Answer: E) All of these.

5. A measure of the amount of carbon dioxide that is produced by the activities of a person or company.

Correct Answer: C) Carbon Footprint.

6. What human activity is the primary source of acid rain?

Correct Answer: C) Coal powerplants.

7. Some bacteria that fix nitrogen live in bumps on the roots of certain plants. These bumps are called

Correct Answer: A) Nodules.

8. An extended period of time without rainfall

Correct Answer: C) Drought.

9. ..... leads to poor soil.

Correct Answer: B) Desertification.

10. Why was the 3 Gorges Dam built along the Yangtze River?

Correct Answer: C) Control flooding and produce hydroelectric power.

11. What does 'they' refer to in the third paragraph?

Correct Answer: B) Pollutants.

12. Which is NOT a cause of the air Pollution problem in Mexico city?

Correct Answer: C) Dumping trash into water sources.