Question 1
Question: Which one of the following is an example of biotic component of environment?1. | wind |
2. | water |
3. | vegetation |
4. | temperature |
Answer: 3
Question 2
1. | solar Energy |
2. | hydrocarbon fuel |
3. | flora and fauna |
4. | nuclear power |
Answer: 2
Question 3
1. | develop commercial tree plantation |
2. | conduct ecotourism on wildlife |
3. | protect animals |
4. | conduct research on Biodiversity |
Answer: 3
Question 4
1. | increased emissions of fine particulates from automobiles |
2. | increased emissions of CO2 from automobiles |
3. | Oxides of sulphur and nitrogen |
4. | lack of rainfall worldwide |
Answer: 2
Question 5
1. | a large increase in population |
2. | the conversion of land for food crops |
3. | a great demand for petroleum |
4. | Individuals not using the three R's |
Answer: 1
Question 6
1. | 60% of the earth's land surface is now used to grow crops and graze animals. |
2. | Ganga and Yamuna rivers are covered under the Ganga Action Plan-I and II. |
3. | 9.73% of the total global supply of water is available for human consumption. |
4. | The 14 major river systems are a part of the Ganga action plan. |
Answer: 2
Question 7
1. | rain water |
2. | ground water |
3. | surface water |
4. | sea water |
Answer: 1
Question 8
1. | afforestation |
2. | cutting the forests |
3. | tilling the land |
4. | constructing mega dams |
Answer: 2
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