Reproduction in OrganismHard

Question

One of the most resistant biological material is

Options

A.lignin
B.hemicellulose
C.lignocellulose
D.sporopollenin

Solution

Sporopollenin is highly resistant fatty substance related to cutin. Sporopollenin is a constituent of outer thick exine of pollen pollen grain, while inner thin intine of pollen grain is made of pectocellulose.

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