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Biology · ANATOMY OF FLOWERING PLANTS

हिन्दी

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Trichomes help in preventing water loss due to transpiration in shoot systems. Reason (R): Trichomes are epidermal root hair elongations that absorb minerals from the soil. In the light of the above statements, choose the correct answer from the options given below:

  1. Both (A) and (R) are true and (R) is the correct explanation of (A).
  2. Both (A) and (R) are true but (R) is NOT the correct explanation of (A).
  3. (A) is true but (R) is false.
  4. Both (A) and (R) are false.

Correct answer · Option 3

(A) is true but (R) is false.

Explanation

Trichomes on the stem help prevent water loss due to transpiration. Root hairs are unicellular epidermal elongations absorbing water/minerals, distinct from shoot trichomes.
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