Science
Assertion (A): Nitrogen is an essential element for plant growth and is taken up by plants in the form of inorganic nitrates or nitrites.
Reason (R): The soil is the nearest and richest source of raw materials like Nitrogen, Phosphorus and other minerals for the plants.
- Both A and R are true, and R is the correct explanation of A.
- Both A and R are true, and R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Bacteria Economics
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Answer
Both A and R are true, and R is not the correct explanation of A.
Reason — Nitrogen is changed into its nitrate or nitrite form by bacterial action.
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