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Question
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.
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.
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Solution
The correct option is D b, c and d
The generative cell of pollen grain divides by mitosis to produce two male gametes. Pollen grain has certain apertures called germ pores and in the region of germ pores, sporopollenin is absent.
The inner layer of pollen grains is called intine and is made up of cellulose and pectin. Pollen grains are haploid and represent the male gametophytes of angiosperms.
The generative cell of pollen grain divides by mitosis to produce two male gametes. Pollen grain has certain apertures called germ pores and in the region of germ pores, sporopollenin is absent.
The inner layer of pollen grains is called intine and is made up of cellulose and pectin. Pollen grains are haploid and represent the male gametophytes of angiosperms.
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