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Length of pollen tube depends on the dis...

Length of pollen tube depends on the distance between

A

pollen grain and upper surface of stigma

B

pollen grain on upper surface of stigma and ovule

C

pollen grain in anther and upper surface of stigma

D

upper surface of stigma and lower part of style

Text Solution

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The correct Answer is:
B
Length of pollen tube depends on the distance between pollen grain on upper surface of stigma and ovule. A pollen grain falls on the stigma of the carpel, bursts, open and develops a pollen tube downwards through the style towards the ovule in the ovary.
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