Consider the following statements about phosphorus cycle. (…

Biology Ecosystem Statement Based Questions Single Correct MCQ

Published on: August 21, 2026

Consider the following statements about phosphorus cycle.

(I) Major reservoirs or phosphorus are phosphate rocks and fossil bone deposits laid down in the past geological ages.

(II) During weathering of rocks, minute amounts of these phosphates dissolve in soil solution and are absorbed by the roots of the plants.

Statement (I) is true, but (II) is false

Statement (I) is false, but (II) is true

Both statements (I) and (II) are true

Both statements (I) and (II) are false

Text Solution

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The correct answer is:

Phosphate rocks and fossil deposits are major phosphorus reservoirs. Weathering releases phosphate into soil, which is absorbed by plant roots.

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