MCQ Questions

Question No. 1

Answer the following questions about global warming/climate change.

Answer :

a) Name two greenhouse gases and state the primary sources of these gases.

b) What effects does global warming have on the environment.

Question No. 2

Explain the following about ozone depletion.

Answer :

a) What is the main pollutant responsible for ozone depletion and how does it affect the ozone layer?

b) Name two ways in which ozone depletion can affect a person’s health.

Question No. 3

Explain how soil pollution affects the fertility of soil.

Answer :

Question No. 4

Reorder the following sentences so that the explanation of eutrophication is coherent. - 1. The nutrients cause excessive growth of plants and algae blooms.,2. The concentration of oxygen in the water gets depleted.,3. Fish and other organisms cannot survive and die.,4. The algae blooms shade other plants and cause them to die., 5. Excessive nutrients from land use activities run off into rivers and lakes through rainwater.,6. As dead plants decompose and the algae respire, they use up oxygen.

Answer :

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