SSC Worksheet for chapter-10 Natural Resources class 9

Worksheet For class 9

Find SSC Worksheet for chapter-10 Natural Resources class 9

CLASS-9

BOARD: SSC

BIOLOGY Worksheet - 10

TOPIC: Natural Resources

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1. Processes which is not involved in carbon cycle
   1. Photosynthesis
   2. Burning of fossil fuels
   3. Transpiration
   4. Respiration
2. _______ of stratosphere provides protection to our life.
   1. Nitrogen
   2. Hydrogen
   3. Ozone
   4. Argon
3. Each chlorine molecule can attack and destroy as many as _______ ozone molecules.
   1. 1000
   2. 100
   3. 100000
   4. 1000000
4. What are biogeochemical cycles?
5. Write a note on ‘Carbon Cycle’.
6. Name the microorganisms responsible for nitrification.
7. Write a note on ‘Oxygen Cycle’.
8. How can we stop Ozone depletion?
9. What are the different states in which water is found during the water cycle?
10. What is the Greenhouse effect?