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Microsporogenesis

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Question

what is the function of pollen vegetative cell ?

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Solution

The mature pollen grain consists of a vegetative cell and generative cell. The vegetative cell performs the metabolic functions, stores reserve food for the pollen grain and delivers the gametes to the embryo sac of the Ovule. The generative cell produces two sperms, one fertilizes egg to produce embryo and other fuses with polar nuclei to produce endosperm respectively

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Q. Which of the following describes the function of the two male gametes and vegetative cell of the pollen grain?

When pollen grain is shed at 3-celled stage, name the cells it contains.

OPTIONS

A) 1 vegetative cell and 2 male gametes

B) 1 generative cell and 2 male gametes

Q. Which among the following statements is correct?
(a) The vegetative cell of pollen grain divides to form the male gametes.
(b) Sporopollenin is absent in the germ pores.
(c) Intine of pollen grains is made up of cellulose and pectin.
(d) Pollen grains represent the male gametophyte.

Q. What is the function of vegetative organs of a plant?

Q. The members of which one of the following families produce a single functional pollen grain from one pollen mother cell.

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