Biology, asked by padmamanikandan4, 4 months ago

SECTION - B
17
2
Outer envelope of pollen grain made of a highly resistant substance. What is that substance?
Ar which particular point the substance is not present?

Answers

Answered by nandirajusohan26

1

Answer:

sporopollenin . It is not present at the Germpore

#please mark me brainliest#

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