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7. Which of the following is supported by Waste Management?
a. Disposal of waste b. Too much waste generated needs to be managed
c. Repurpose, Reduce, Reuse, Recycle, Refuse d. Proper collection of waste of all types in one place
8. What does Fourth Partner Energy, one of the famous green projects in India, focus on?
a. To make solar energy accessible b. To make bio-gas accessible
c. To make wind energy accessible d. To make nuclear power accessible
Ans. 1. a 2. b 3. d 4. b 5. b 6. d 7. c 8. a
B. Fill in the blanks.
1. can be used as an alternate source of fuel.
2. Our body is made up of of water.
3. Planting more trees on land with few or no trees is called .
4. Pollutants that can break into simpler substances naturally are called .
Ans. 1. CNG 2. 70% 3. afforestation 4. biodegradable pollutants
C. State whether these statements are true or false.
1. Rainwater harvesting is an example of water conservation.
2. Recycle and refuse cannot be applied to food conservation.
3. Air is an example of an exhaustible resource.
4. We need to conserve our natural resources to maintain environmental balance.
Ans. 1. True 2. False 3. False 4. True
SECTION B (Subjective Type Questions)
A. Short answer type questions.
1. List the reasons for soil loss and its fertility.
Ans. • Deforestation.
• Use of chemical pesticides.
• Overuse of land.
• Making dams and doing mining activities.
2. Why is excess salt not good for soil?
Ans. It affects soil fertility and reduces the absorption of water by plants.
3. Name any four alternate sources of energy.
Ans. • Wind Energy.
• Geothermal Energy.
• Solar Energy.
• Nuclear Energy.
4. What is Clear Cutting method in controlled deforestation?
Ans. If the same types of trees are available over a large area, then trees of the same age group can be cut down in a selected
area and then marked for re-plantation.
5. How The United Nations Environment Programme (UNEP) has defined “Green Economy”?
Ans. The United Nations Environment Programme (UNEP) has defined the green economy as “one that results in improved
human well-being and social equity, while significantly reducing environmental risks and ecological scarcities. It is low
carbon, resource efficient, and socially inclusive”.
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