The biosphere refers to: MCQ with Answer and Explanation

The biosphere refers to:
A. Layer of rocks
B. Zone of life on Earth
C. Ocean floor
D. Layer of air
Answer: Option B
Solution (By JKSSB Mock Tests)
The biosphere includes all living organisms and the regions where life exists.

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Practice More Physical Geography Questions

Question #1
The Himalayas are an example of:
A. Residual Mountains
B. Fold Mountains
C. Block Mountains
D. Volcanic Mountains

Correct Answer: Option B


Explanation:
The Himalayas were formed by the collision of the Indian and Eurasian plates and are fold mountains.

This question belongs to: Geography GK Physical Geography
Question #2
Which phenomenon explains red sunsets?
A. Condensation
B. Refraction
C. Reflection
D. Scattering of longer wavelengths

Correct Answer: Option D


Explanation:
At sunset, blue light is scattered away, leaving red and orange wavelengths visible.

This question belongs to: Geography GK Physical Geography
Question #3
Which is the longest mountain range on land?
A. Andes
B. Alps
C. Himalayas
D. Rockies

Correct Answer: Option A


Explanation:
The Andes Mountains in South America form the longest continental mountain range in the world.

This question belongs to: Geography GK Physical Geography