CG Board Class 6 Science Our earth MCQ
If you are looking for CG Board Class 6 Science Our earth MCQ then you are at right place.
1. What is the shape of the Earth?
a) Flat
b) Square
c) Round like a ball
d) Irregular
Answer: c) Round like a ball
2. The outermost layer of Earth is called:
a) Mantle
b) Core
c) Crust
d) Atmosphere
Answer: c) Crust
3. Which part of Earth contains molten rocks and gases?
a) Crust
b) Mantle
c) Inner Core
d) Outer Core
Answer: b) Mantle
4. The innermost region of Earth is called:
a) Mantle
b) Crust
c) Core
d) Lithosphere
Answer: c) Core
5. What percentage of air is Nitrogen?
a) 21%
b) 78%
c) 1%
d) 99%
Answer: b) 78%
6. What percentage of air is found within 40km of height?
a) 78%
b) 90%
c) 95%
d) 99%
Answer: d) 99%
7. Which gas turns lime water milky?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Water vapor
Answer: c) Carbon dioxide
8. What fraction of Earth’s surface is Hydrosphere?
a) One-fourth
b) Half
c) Three-fourth
d) Two-third
Answer: c) Three-fourth
9. What is the percentage of Oxygen in air?
a) 78%
b) 21%
c) 1%
d) 99%
Answer: b) 21%
10. Which metals are mainly found in Earth’s core?
a) Gold and Silver
b) Iron and Copper
c) Iron and Nickel
d) Aluminum and Copper
Answer: c) Iron and Nickel
11. How many planets are there in our solar system?
a) 7
b) 8
c) 9
d) 10
Answer: b) 8
12. Which planet is nearest to the Sun?
a) Venus
b) Earth
c) Mercury
d) Mars
Answer: c) Mercury
13. What percentage of the human body weight is water?
a) 50%
b) 60%
c) 70%
d) 80%
Answer: c) 70%
14. Which of these is not a basic need for life on Earth?
a) Food
b) Water
c) Gold
d) Air
Answer: c) Gold
15. What is the natural satellite of Earth?
a) Sun
b) Moon
c) Mars
d) Venus
Answer: b) Moon
