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NEETBotanySexual Reproduction in Flowering Plants

In some cereals such as wheat, the pollen grains lose viability within approximately what duration after their release?

Options

  1. A30 minutes
  2. B30 hours
  3. C30 days
  4. DSeveral months

Correct answer

A. 30 minutes

Step-by-step solution

According to NCERT, in some cereals such as rice and wheat, pollen grains lose viability within 30 minutes of their release. In contrast, members of families like Rosaceae, Leguminosae, and Solanaceae maintain pollen viability for months. The other options represent incorrect timeframes or confuse the viability of cereals with that of dicot families. Answer: 30 minutes

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