NEETBiologySexual Reproduction in Flowering PlantsMCQ+4 / −1
Which one of the following statements is wrong?
- AWhen pollen is shed at two-celled stage, double fertilization does not take place.
- BVegetative cell is larger than generative cell.
- CPollen grains in some plants remain viable for months.
- DIntine is made up of cellulose and pectin.
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Correct answer: A
In over 60 per cent of angiosperms, pollen grains are shed at cell 2-celled stage. In the remaining species the generative cell divides mitotically to give rise to the two male gametes before pollen grains are shed (3-celled stage.)
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