Coral reefs grow best in: MCQ with Answer and Explanation

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Coral reefs grow best in:

A. Cold Deep Water

B. Polar Regions

C. Warm Shallow Water

D. Freshwater Lakes

Answer: Option C

Solution (By JKSSB Mock Tests)

Corals require warm, clear, shallow, and sunlit seawater to thrive.

This question belongs to: Geography GK Physical Geography

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Question #1

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Which volcano is known as the 'Lighthouse of the Mediterranean'?

A. Stromboli

B. Etna

C. Vesuvius

D. Krakatoa

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Correct Answer: Option A

Explanation:
Stromboli's frequent eruptions have historically guided sailors in the Mediterranean.

This question belongs to: Geography GK Physical Geography

Question #2

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The Mohs hardness of talc is:

A. 2

B. 1

C. 3

D. 4

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Correct Answer: Option B

Explanation:
Talc is the softest mineral on the Mohs hardness scale with a hardness value of 1.

This question belongs to: Geography GK Physical Geography

Question #3

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Which planet is known as Earth's twin because of its similar size?

A. Mars

B. Jupiter

C. Venus

D. Mercury

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Correct Answer: Option C

Explanation:
Venus is often called Earth's twin due to its similar size and mass.

This question belongs to: Geography GK Physical Geography

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