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Biology · SEXUAL REPRODUCTION IN FLOWERING PLANTS
हिन्दीWhich 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:
Correct answer · Option 1
(a), (b) and (c) only
Explanation
In over 60% of angiosperms, pollen grains are shed at the 2-celled stage (not 3-celled stage). Hence, statement (d) is incorrect while (a), (b), and (c) are correct.
