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CBSE Class 10 Science Question 33 of 60

Solved 2022 Term 1 Question Paper CBSE Class 10 Science — Question 9

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Question

Question 33

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.

  1. Both A and R are true, and R is the correct explanation of A.
  2. Both A and R are true, and R is not the correct explanation of A.
  3. A is true but R is false.
  4. A is false but R is true.
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.