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7. Which of the following is a renewable resource?
i. Mineral ii. Land
iii. Both i and ii iv. Solar Energy
8. Which of the following statements is true?
i. Autotrophs are the producers and heterotrophs are the consumers.
ii. Heterotrophs are the producers and autotrophs are the consumers.
iii. Autotrophs are hunted and eaten by heterotrophs.
iv. Both i and iii.
B. Fill in the blanks.
1. The increasing .................................. results in increasing demands and services.
2. .................................. can be used as an alternate source of fuel.
3. .................................. is an increase in the average temperature of the earth mainly due to greenhouse gases
(mainly carbon dioxide) produced by a lot of human activities.
4. We need to use the .................................. wisely to avail its benefits in the present and future.
5. The word environment is derived from the French word ...................................
Section B
(Subjective Type Questions)
A . Answer the following questions:
1. Classify the following under the three respective categories of natural resources: Air, iron, sand, petroleum,
wind, clay, fish, forest, gold, pearls. CBSE Handbook
Inexhaustible Renewable Non-renewable
2. Describe any three methods of water conservation. CBSE Handbook
3. List the reasons for soil loss and its fertility.
4. What are the main causes of global warming?
5. How mining activities all across the globe are responsible for significant environmental damage
6. Write the steps to conserve natural resources.
7. List down the precautionary measures against the use of plastic.
. Write a short note on Society and Environment .
. Explain how industrialization causes environmental imbalance.
10. Name any two greenhouse gases.
B. Application based questions: L if e Sk il l s & V a l ues
1. On the last day of your class before the start of the summer holidays, you saw some unwanted books and
material lying here and there. How do you wish to dispose of them following green skills
2. Enlist any two points that an architect must keep in mind at the time of designing a green building.
134 Touchpad Information Technology-I

