Coal and Petroleum-Exhaustible Natural Resources [CBSE (Central Board of Secondary Education) Class-8 Science]: Questions 1 - 2 of 2
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Question 1
Question MCQ▾
Some limited natural resources are:
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Water, Air, Soil | |
b. | Petroleum, Natural gas | |
c. | Minerals, Trees | |
d. | All a., b. and c. are correct | |
Question 2
Question MCQ▾
Tips for efficiency of vehicle and conserving environment are:
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Driving at a constant speed for better mileage and less pollution | |
b. | Switching off engine at traffic light AND Ensuring correct tyre pressure so that the vehicle runs efficiently | |
c. | Avoid fast start and sudden breaking of automobiles | |
d. | All b., c. and a. are correct | |