Answer: Nourish the developing pollen grains.
- A Nourish the developing pollen grains
- B Protect the ovule from drying
- C Anchor the stigma to the style
- D Store starch for the fruit
Correct answer: A. Nourish the developing pollen grains
Explanation: The tapetum is the innermost layer of the microsporangium wall and provides nourishment to the developing pollen grains.
Double fertilisation in angiosperms: one male gamete fuses with the egg to form the diploid zygote (syngamy), while the second fuses with the two polar nuclei to form the triploid primary endosperm nucleus (triple fusion). Image: Triploid, CC BY 3.0, via Wikimedia Commons.
Concept context
Flower structure, pollination, double fertilization, and seed/fruit development - the highest-scoring Class 12 biology chapter in NEET.
Read the full Sexual Reproduction in Flowering Plants notes →