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Biology · SEXUAL REPRODUCTION IN FLOWERING PLANTS

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Consider the following statements regarding seed maturation and physiology: Statement I: As the seed matures, its water content is reduced to about \( 10\text{--}15\% \) moisture by mass, and the general metabolic activity of the embryo slows down. Statement II: The micropyle completely seals off upon maturation to prevent any exchange of gases and water. Choose the correct option:

  1. Both Statement I and Statement II are correct
  2. Both Statement I and Statement II are incorrect
  3. Statement I is correct but Statement II is incorrect
  4. Statement I is incorrect but Statement II is correct

Correct answer · Option 3

Statement I is correct but Statement II is incorrect

Explanation

Statement I is correct because seeds dry down to 10-15% moisture by mass and metabolic activity slows down. Statement II is incorrect because the micropyle remains as a small pore in the seed coat to facilitate entry of oxygen and water during germination.
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