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Q.

Read statements (a-c) regarding pollen grains and select the option that has correct statements.

(a)  The generative cell floats in the cytoplasm of the vegetative cell.

(b)  Sporopollenin is absent at germ pores.

(c)  Pollen grain measures about 25-50 micrometer in diameter.

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a

a, b and c

b

only b and c

c

only a

d

Only a and b

answer is A.

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Detailed Solution

Pollen grain lacks sporopollenin at germ pore as exine is absent at the region. Generative cell floats in the cytoplasm of vegetative cell. Pollen grains are 25 - 50 microns in diameter.

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