CBSE Class 8 Social Science Natural Resources and Their Use (Class 8 NCERT New) Quiz 10

1. Why does history sometimes seem to be full of wars and destruction, according to the passage A Note on History’s Darker Periods?

A It rarely focuses on periods when society is harmonious and peaceful B Historians generally exaggerate events for dramatic effect C Wars last much longer than peaceful times in every country D Peaceful records were mostly lost over time

2. People try to conserve some resources, like fossil fuels, because they are not replaceable. Why can't these resources be replaced?

A They must be transported long distances. B Processes that make them take a long time. C No one can afford to buy more of them. D It is impossible to extract more from the earth.

3. People move into and begin living in an area that previously had no human activity. What will most likely be the effect on the amount of water.

A Water will be more evenly distributed in the area. B Most of the fresh water in the area will be converted to salt water. C The amount of fresh water suitable for drinking will increase. D There will be less water available for other living things.

4. The table provided shows areas where sedimentary rock layers are exposed, as well as the environmental factors that produced the rock layers. Coal forms in locations where vegetation gets buried quickly and then altered by heat and pressure over millions of years. Which location is most likely to have coal?

A Area A B Area B C Area C D Area D

5. In all of the following examples, the quantity of the resource being used by humans is affected EXCEPT –

A petroleum taken from the ground and burned for fuel. B fresh water used for agriculture, recreation, and tourism. C wind power used to provide energy for homes and businesses. D metal ores mined and used to created building materials.

6. Metal ores are often formed in locations that had volcanic activity in the past. What information about an area would provide the best evidence that metal ores could be found there in the present?

A Evidence that volcanoes in the area are currently active. B Evidence that humans in the area use lots of metal ores. C Evidence that metal ores had been brought to the area by ancient humans. D Evidence that the area had active volcanoes long ago.

7. A resource that can be replaced in a human lifetime.

A renewable B nonrenewable C solar D natural resources

8. To save and use a resource carefully.

A conservation B fossil fuels C solar power D geoscience process

9. A resource that cannot be replaced in a human lifetime.

A nonrenewable B renewable C conservation D limited

10. Something used on Earth.

A resources B wind power C geologic process D biosphere