Biology · SEXUAL REPRODUCTION IN FLOWERING PLANTS

Which of the following statements regarding the cells of a mature pollen grain are correct? (a) The vegetative cell is larger, has abundant food reserve and a large irregularly shaped nucleus. (b) The generative cell is spindle-shaped with dense cytoplasm and a nucleus. (c) The generative cell floats in the cytoplasm of the vegetative cell. (d) In over 60% of angiosperms, pollen grains are shed at the 3-celled stage. Choose the correct option:

1. A
   (a), (b) and (c) only
2. B
   and (d) only
3. C
   (b), (c) and (d) only
4. D
   and (d) only