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MCQ Science and Technology Chapter 7 Class 9 Maharashtra Board

Energy Flow in an Ecosystem

1. Why are apex consumers fewer in number compared to other consumers?

Question 1 of 20

2. What is the shape of the energy exchange pattern in an ecosystem?

Question 2 of 20

3. What do green plants store from the sun in an ecosystem?

Question 3 of 20

4. What is the flow of nutrients in an ecosystem compared to energy flow?

Question 4 of 20

5. Which cycle involves both biotic and abiotic components?

Question 5 of 20

6. What is the primary source of carbon in the carbon cycle?

Question 6 of 20

7. Which process in the carbon cycle involves herbivores feeding on plants?

Question 7 of 20

8. What is released into the atmosphere through respiration in the carbon cycle?

Question 8 of 20

9. Which of the following is a biotic process in the oxygen cycle?

Question 9 of 20

10. Which microbes use oxygen for respiration?

Question 10 of 20

11. What is nitrogen primarily used for in organisms?

Question 11 of 20

12. Which process in the nitrogen cycle involves atmospheric processes?

Question 12 of 20

13. What is the role of decomposers in the nitrogen cycle?

Question 13 of 20

14. Which cycle is affected by climatic changes and human activities?

Question 14 of 20

15. What is the form of carbon in the earth’s crust mentioned in the document?

Question 15 of 20

16. Which of the following is an example of an omnivore?

Question 16 of 20

17. What is the energy unit used in the pyramid of energy example?

Question 17 of 20

18. Which process in the oxygen cycle involves rusting?

Question 18 of 20

19. What is the relationship between carbon in the air and atmospheric temperature?

Question 19 of 20

20. Which cycle is described as extremely complex due to the various forms of its element?

Question 20 of 20


 

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