Home Biology Ecosystem Previous Year Questions Which one of the following is not a gaseous …
Biology Ecosystem Previous Year Questions Single Correct MCQ
Published on: August 14, 2026

Which one of the following is not a gaseous biogeochemical cycle in ecosystem?

A
Sulphur cycle
B
Phosphorus cycle
C
Nitrogen cycle
D
Carbon cycle

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Text Solution

Verified by Experts
The correct answer is:
B

The phosphorus cycle is not a gaseous biogeochemical cycle because phosphorus does not exist in the atmosphere as a gas. It mainly cycles through rocks, soil, and organisms. In contrast, carbon, nitrogen, and sulphur have significant gaseous phases in the atmosphere.

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