Q. No.
Match the items given in Column I with those in Column II and select the correct option given below:
| Column I | Column II | ||
| (a) | Eutrophication | (i) | UV-B radiation |
| (b) | Sanitary landfill | (ii) | Deforestation |
| (c) | Snow blindness | (iii) | Nutrient enrichment |
| (d) | Jhum cultivation | (iv) | Waste disposal |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (ii) | (i) | (iii) | (iv) |
| 2. | (i) | (iii) | (iv) | (ii) |
| 3. | (iii) | (iv) | (i) | (ii) |
| 4. | (i) | (ii) | (iv) | (iii) |
1. Carbon
2. Cl
3. Fe
4. Oxygen
Which one of the following statements is not valid for aerosols ?
1. They are harmful to human health
2. They alter rainfall and monsoon patterns
3. They cause increased agricultural productivity
4. They have negative impact on agricultural land
Biochemical Oxygen Demand (BOD) may not be a good index for pollution in water bodies receiving effluents from?
1. domestic sewage
2. dairy industry
3. petroleum industry
4. sugar industry
2. 1980s
3. 1990s
4. 1960s
2. strip farming
3. shifting agriculture
4. ley farming
A lake which is rich in organic waste may result in
1. increased population of aquatic organisms due to minerals
2. drying of the lake due to algal bloom
3. increased population of fish due to lots of nutrients
4. mortality of fish due to lack of oxygen
Joint Forest Management Concept was introduced in India during
(1) 1970s
(2) 1980s
(3) 1990s
(4) 1960s
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