What happens when a pollen grain falls on a stigma ?

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Solution

When pollen gran falls on stigma, it germinates on stigma and produce pollen tube which enters into the ovule release $2$ male gametes and fuse with the ovule to form a seed.

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Similar questions

What will happen if pollen grains of rose land on the stigma of hibiscus?

Q. What happens to the pollen grain after it is transferred from the stamen to stigma?

Pollen grains that fall on the stigma of other kinds of flowers get destroyed.

Question 15
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

Pollen grains germinate only if it falls on the stigma of the same plant species or else it disintegrates.

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What happens when a pollen grain falls on a stigma ?

When pollen gran falls on stigma, it germinates on stigma and produce pollen tube which enters into the ovule release 2 male gametes and fuse with the ovule to form a seed.

When pollen gran falls on stigma, it germinates on stigma and produce pollen tube which enters into the ovule release $2$ male gametes and fuse with the ovule to form a seed.