Tag: introduction to environmental pollution

Questions Related to introduction to environmental pollution

We need fresh air for breathing. Some sources that cause pollution of air are mentioned here. Can you pick the false one?

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  1. Coal fires

  2. Heavy rain

  3. Volcanoes

  4. Forest fires

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Correct Option: B
Explanation:

Coal fires, volcanoes and forest fires causes air pollution due to release of many pollutants such as $CO _2$, whereas High-speed wind and dust storm cause pollution.

Which are the following consequences of deforestation?

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  1. Decrease in rainfall

  2. Decrease in fertility of soil

  3. Increased global warming

  4. All of the above

Show answer
Correct Option: D
Explanation:

All of the following are the consequences of deforestation.
(A) Decrease in rainfall
(B) Decrease in fertility of soil
(C) Increased global warming
Cutting of trees reduces amount of rainfall, it also decreases the fertility of soil. Deforestation increases the temperature and carbon dioxide level thus causing increased global warming.