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Subjective Questions:-

Q. No. Questions Skill Marks
1. Which of the following gas does not cause the acid rain? U 1
a. Nitrogen dioxide.
b. Carbon monoxide.
c. Carbon dioxide.
d. Oxygen.
2. Greenhouse effect prevents earth from _________ R 1

3. Choose the correct option from the following: U 1
(a) If both Assertion and Reason are correct and Reason is the
correct explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is not
the correct explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If Assertion is incorrect but Reason is correct.
(e) If Assertion & Reason both are incorrect.
Assertion (A): Greenhouse effect maintains the right
temperature on the earth.
Reason (R): Greenhouse effect causes global warming.
4. Write and explain three causes of the greenhouse effect. K&U 3

5. Write down the effects (At least five)of global warming.Explain. U 5

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