One of the most resistant biological materials known is
Lignocellulose
Sporopollenin
Hemicellulose
Lignin
A
Lignocellulose
B
Sporopollenin
C
Hemicellulose
D
Lignin
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Solution
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Pollen grain is cover with a membrane called exine which is resistant to chemical and microbial decomposition with the presence of a biological material known as Sporopollenin.
So the correct option is 'Sporopollenin.'
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