Chapter 27 - Man and his Environment - 2


Biology Class 12
1. Solving environmental problems is ultimate responsibility of:




Biology Class 12
2. The burning of fossil fuel contributes to all of the following except one:




Biology Class 12
3. Which of the following substance does not contribute to the green house effect:




Biology Class 12
4. Which of the following is the primary cause of acid rain:




Biology Class 12
5. What substance destroy ozone:




Biology Class 12
6. What is the primary cause of species extinction today




Biology Class 12
7. Which of the following is not caused by deforestation:




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