Which of the following are the two major differences between carbon and phosphorus cycle?
A. Atmospheric inputs of phosphorus through rainfall are much smaller than carbon inputs
B. Atmospheric inputs of phosphorus through rainfall are much greater than carbon inputs
C. Gaseous exchange of phosphorus between organism and environment are not negligible
D. Gaseous exchange of phosphorus between organism and environment are negligible

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A, D

B, C

A, B

answer is C.

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Detailed Solution

The nutrient elements go through the various components of an ecosystem, and this movement is called nutrient cycling, also known as biogeochemical cycle.

Nutrient cycle is of two types: a) gaseous type of nutrient cycle, and b) sedimentary cycle.
Carbon cycle is a type of gaseous cycle, and phosphorus is a sedimentary cycle.

There are two major differences between carbon and phosphorus cycle:

Atmospheric inputs or phosphorus through rainfall are much smaller than carbon inputs.
Gaseous exchanges of phosphorus between organisms and environment are negligible.

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