11. The man who landed first on the moon was
- (A) Yuri Gagarin
- (B) Neil Armstrong
- (C) Rakesh Sharma
- (D) Michael Collins
Answer:
Explanation:
12. Days and nights are caused by the
- (A) Revolution of the earth
- (B) Rotation of the earth
- (C) Revolution of the sun
- (D) Rotation of the sun
Answer:
Explanation:
13. Which of the following converts mechanical energy into electrical energy?
- (A) Dynamo
- (B) Battery
- (C) Cell
- (D) Bulb
Answer:
Explanation:
14. As you move from the outer layers of the Earth to the inner layers. the temperature
- (A) Decreases
- (B) Increases
- (C) Stay the same
- (D) Increase or decrease depends on the level
Answer:
Explanation:
15. The major cause of tide is
- (A) Large fish
- (B) The moon’s gravity
- (C) Ocean plane
- (D) The Sun’s gravity
Answer:
Explanation: