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Biology · SEXUAL REPRODUCTION IN FLOWERING PLANTS

हिन्दी

Germ pores on the pollen grain wall are apertures where:

  1. Intine is completely absent
  2. Sporopollenin is absent
  3. Cellulose and pectin are deposited heavily
  4. The vegetative cell emerges during microsporogenesis

Correct answer · Option 2

Sporopollenin is absent

Explanation

Pollen grain exine has prominent apertures called germ pores where sporopollenin is absent. Pollen tube emerges through one of these germ pores.
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