71. Which one of the following contributes largely to the ‘green house effect’ ?
72. An important green-house gas other than methane being produced from the agricultural fields is
73. The gas which is mainly responsible for the green house effect is:
74. Chernobyl disaster is the result of pollution by
75. ‘Aerosol’ is known as
76. Match the List-I with List-II and select the correct answer using the codes given below the lists
List-I (Green house gas) List-II(Major source) F. Carbondioxide 1. Enteric fermentation in cattle G. Methane 2. Burning of fossil H. Chloroflro carbons 3. Mercury compounds in waste water J. Nitrous oxide 4. Nylon production 5. Air conditioner and refrigeration units
Codes :F G H J A. 2 1 5 4 B. 3 4 2 1 C. 3 2 4 1 D. 1 2 3 4
| List-I (Green house gas) | List-II(Major source) | ||
| F. | Carbondioxide | 1. | Enteric fermentation in cattle |
| G. | Methane | 2. | Burning of fossil |
| H. | Chloroflro carbons | 3. | Mercury compounds in waste water |
| J. | Nitrous oxide | 4. | Nylon production |
| 5. | Air conditioner and refrigeration units |
| F | G | H | J | |
| A. | 2 | 1 | 5 | 4 |
| B. | 3 | 4 | 2 | 1 |
| C. | 3 | 2 | 4 | 1 |
| D. | 1 | 2 | 3 | 4 |
77. Acid rain is caused by
78. The Bhopal gas tragedy was caused by the gas
79. The Bhopal tragedy was caused by the gas
80. Which of the following caused radioactive pollution along the coast of Kerala ?
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