The salinity of ocean water is usually expressed in: MCQ with Answer and Explanation

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The salinity of ocean water is usually expressed in:

A. Millimeters

B. Parts per thousand

C. Kilograms

D. Percent

Answer: Option B

Solution (By JKSSB Mock Tests)

Ocean salinity is commonly measured in parts per thousand (‰), averaging about 35‰.

This question belongs to: Geography GK Physical Geography

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Practice More Physical Geography Questions

Question #1

Marble is formed from the metamorphism of:

A. Limestone

B. Shale

C. Basalt

D. Granite

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Correct Answer: Option A

Explanation:
Marble is a metamorphic rock formed when limestone undergoes heat and pressure.

This question belongs to: Geography GK Physical Geography

Question #2

Which is the largest desert in the world considering all types of deserts?

A. Arabian Desert

B. Sahara Desert

C. Gobi Desert

D. Antarctic Desert

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Correct Answer: Option D

Explanation:
Antarctica is the world's largest desert because it receives very little precipitation.

This question belongs to: Geography GK Physical Geography

Question #3

The oldest known rocks on Earth are approximately:

A. 4 billion years old

B. 2 billion years old

C. 3 billion years old

D. 1 billion years old

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Correct Answer: Option A

Explanation:
Some of the oldest rocks discovered are over 4 billion years old.

This question belongs to: Geography GK Physical Geography

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