IIT JEE : Environmental Chemistry QUESTIONS AND ANSWERS :: part1 : 6 to 10
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
6.As it passes into food chain, the concentration of DDT |
| Remains same |
| decreases |
| increases |
| unpredictable. |
7.Air pollution is not caused by |
| Pollen grains |
| Hydroelectric power |
| Industries |
| Automobiles. |
8.Which of the following reacts with haemoglobin of blood and produce toxic effect. |
| Carbon dioxide |
| Carbon monoxide |
| Oxygen |
| Carbon suboxide. |
9.Drained sewage has B.O.D. |
| More than that of water |
| Less than that of water |
| Equal to that of water |
| None of the above. |
10.Photochemical smog is generally formed |
| in early hours of winters |
| around mid day in summer months |
| When intensity of solar radiations is very low |
| When concentration of particulate matter is very low. |
More Environmental Chemistry QUESTIONS AND ANSWERS available in next pages
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