Sporopollenin is chemically:

Homopolysaccharide

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Fatty substance

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Protein

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Heteropolysaccharide

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Solution

The correct option is B Fatty substance
Sporopollenin is a major component of the tough outer walls of plant spores and pollen grains. It is chemically very stable and is made of fats. It is a biopolymer of the fatty acid chain, phenolics, phenylpropanoid, carotenoid, and xanthophyll. It is found in the cell wall of the green algae. Phenylalanine is a major precursor for sporopollenin.
So, the correct answer is option B.

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