Importance of Forests Quiz - CBSE Class 7 Science

Free practice quiz: Importance of Forests (CBSE Class 7 Science). 19 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. Which of the following is an ecological importance of forests?

   1. Forests provide fresh oxygen.
   2. Forests consume all oxygen.
   3. Forests pollute the air.
   4. Forests block sunlight completely.
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   Answer: A. Forests provide fresh oxygen.

   Forests are crucial in the carbon cycle and play an essential role in providing oxygen by photosynthesis.

2. Which of these is a way forests impact the water cycle?

   1. Forests initiate evaporation.
   2. Forests absorb rainwater and release it slowly.
   3. Forests prevent water vapor formation.
   4. Forests create saltwater springs.
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   Answer: B. Forests absorb rainwater and release it slowly.

   Forests play a crucial role in the water cycle by absorbing rainwater and releasing it gradually, maintaining groundwater levels.

3. Why are forests important in regulating the Earth's temperature?

   1. Forests influence global temperature by trapping greenhouse gases.
   2. Forests increase global warming rapidly.
   3. Forests have no effect on temperature.
   4. Forests only cool down the equator.
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   Answer: A. Forests influence global temperature by trapping greenhouse gases.

   Forests absorb CO2, a greenhouse gas, thus playing a role in regulating the Earth's temperature.

4. Forests help in climate regulation by:

   1. Absorbing sunlight and storing carbon dioxide
   2. Blocking the sun completely
   3. Only reflecting light back into space
   4. Amplifying greenhouse gases
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   Answer: A. Absorbing sunlight and storing carbon dioxide

   Forests absorb carbon dioxide and sunlight, playing a pivotal role in mitigating the effects of climate change.

5. What is one of the major threats to forests?

   1. Deforestation due to agricultural expansion
   2. Excessive rainfall
   3. High animal population
   4. Urban tranquility
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   Answer: A. Deforestation due to agricultural expansion

   Deforestation for agriculture is a major threat to forests as it leads to habitat loss and biodiversity reduction.

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