MCQ Science Curiosity Chapter 12 Class 8 CBSE Board

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How Nature Works in Harmony

1. What does monoculture in farming refer to?

Question 1 of 20

2. How does organic farming benefit ecosystems?

Question 2 of 20

3. What is Kunapa Jala according to the ancient text Virkshayurveda?

Question 3 of 20

4. What is an example of mutualism in an ecosystem?

Question 4 of 20

5. What characterizes commensalism in an ecosystem?

Question 5 of 20

6. What is an example of parasitism in an ecosystem?

Question 6 of 20

7. Why are decomposers essential in an ecosystem?

Question 7 of 20

8. How did mangroves protect villages during the 2004 Tsunami?

Question 8 of 20

9. In the food chain Grass → Grasshopper → Frog → Snake, what happens if frogs disappear?

Question 9 of 20

10. Why might a school garden have fewer butterflies?

Question 10 of 20

11. Why can’t an ecosystem function with only producers?

Question 11 of 20

12. What is a benefit of ecosystems for humans?

Question 12 of 20

13. How does competition among organisms benefit ecosystems?

Question 13 of 20

14. How does a food web differ from a food chain?

Question 14 of 20

15. What role do earthworms play in farming ecosystems?

Question 15 of 20

16. What is a consequence of monoculture farming?

Question 16 of 20

17. What role do migratory birds like the Demoiselle Crane play in ecosystems?

Question 17 of 20

18. How does pollution impact a pond ecosystem?

Question 18 of 20

19. What is a sustainable farming practice mentioned in the text?

Question 19 of 20

20. What does the ancient text Virkshayurveda advocate for soil health?

Question 20 of 20


 

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