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Which one of the following statements is correct?

1. Sporogenous tissue is haploid
2. Endothecium produces the microspores
3. Tapetum nourishes the developing pollen
4. Hard outer layer of pollen is called intine

Correct answer: Tapetum nourishes the developing pollen

Solution

Tapetum is the innermost layer of the anther wall and provides nutrition to the developing microspores/pollen grains. The other options are incorrect because sporogenous tissue is diploid, endothecium aids anther dehiscence, and the hard outer pollen wall is exine, not intine.

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