MCQ Science Curiosity Chapter 13 Class 8 CBSE Board

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MCQ For All Chapters – Science Curiosity Class 8

Our Home: Earth, a Unique Life Sustaining Planet

1. Why is Earth considered a unique planet in the universe?

Question 1 of 20

2. On which layer of Earth does most life exist?

Question 2 of 20

3. How is Earth's crust compared to an apple in the text?

Question 3 of 20

4. How many planets are present in our solar system?

Question 4 of 20

5. Which of the following planets are rocky and relatively small?

Question 5 of 20

6. From where do planets in the solar system get their energy?

Question 6 of 20

7. Which planet has the highest average temperature?

Question 7 of 20

8. What is the main gas present in the atmosphere of Venus?

Question 8 of 20

9. What is the phenomenon called when gases trap heat in the atmosphere?

Question 9 of 20

10. What helps maintain a suitable temperature on Earth?

Question 10 of 20

11. Why is Earth's distance from the Sun important for life?

Question 11 of 20

12. What is the region where liquid water can exist called?

Question 12 of 20

13. Why does Earth appear blue when seen from space?

Question 13 of 20

14. Approximately what percentage of Earth's surface is covered by water?

Question 14 of 20

15. Why is Earth's size important for life?

Question 15 of 20

16. What would happen if Earth were much smaller?

Question 16 of 20

17. What gas in the atmosphere is essential for breathing?

Question 17 of 20

18. What layer protects Earth from harmful ultraviolet rays?

Question 18 of 20

19. What type of rays are blocked by the ozone layer?

Question 19 of 20

20. Earth behaves like what type of object due to its magnetic field?

Question 20 of 20


 

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