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An Intiative by Sri Chaitanya
a
Following compatible pollination, the pollen grain germinates on the stigma to produce a pollen tube through one of the germ pores.
b
The contents of the pollen grain move into the pollen tube.
c
Pollen tube shows lateral growth.
d
Boron and calcium elements (mainly Boron) are essential for the growth of pollen tube.
answer is C.
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