ICSE Solutions for Class 9 Geography – Effects of Pollution ICSE Solutions for Class 9 Geography – Effects of Pollution Exercises I. Short Answer Questions. Question 1. How does noise pollution affect animals ? Answer: Noise from industries, railways, crackers, explosions and commotion in the cities and aircraft, affect animals, birds, mice, fishes and domestic animals. Birds avoid migrating to places where noise level is above 100 dB. The noise emissions caused by supersonic aircraft and railways may cause miscarriage in mammals and fishes as well. Some of the birds have been found to have stopped laying eggs due to noise pollution Question 2. What major harm is done to the human beings by air pollution ? Answer: It causes irritation in eyes, nose, throat, asthma etc, headache, slurring of speech, lung cancer, damage to nerves, brain fiver and kidneys. Question 3. How are the animals affected by air pollution ? Answer: Polluted grass is eaten by the an...
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