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Germ pores in the polllen grains are reg...

Germ pores in the polllen grains are regions

A

That can withstand high temperature, strong acids and alkalies

B

Through which sperms are released into the female gametophyte

C

Which are made of lignin and suberin

D

Which lack sporopollenin.

Text Solution

Verified by Experts

The correct Answer is:
D
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