A moraine is: MCQ with Answer and Explanation

A moraine is:

A. Wind-deposited sand

B. Volcanic ash

C. River sediment

D. Glacially deposited debris

Answer: Option D

Moraines are accumulations of rocks and debris deposited by glaciers.

This question belongs to: Geography GK Physical Geography

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Question #1 Report Error

The largest inland delta in the world is:

A. Niger Delta

B. Ganga Delta

C. Okavango Delta

D. Mekong Delta

Correct Answer: Option C

Explanation:
The Okavango Delta in Botswana is the world's largest inland delta.

This question belongs to: Geography GK Physical Geography

Question #2 Report Error

Which layer of the atmosphere reflects radio waves?

A. Mesosphere

B. Ionosphere

C. Troposphere

D. Stratosphere

Correct Answer: Option B

Explanation:
The ionosphere contains charged particles that reflect radio waves for long-distance communication.

This question belongs to: Geography GK Physical Geography

Question #3 Report Error

Which biome lies immediately south of the Arctic tundra?

A. Savanna

B. Taiga

C. Mediterranean

D. Desert

Correct Answer: Option B

Explanation:
The Taiga biome forms a belt south of the Arctic tundra.

This question belongs to: Geography GK Physical Geography