A) cellulose
B) sporopollenin
C) peclocellulose
D) lignin
Correct Answer: B
Solution :
A pollen grain contains two layered cell wall, the outer exine and inner intine. Sporopollenin is found in the exine of pollen grains, which is the most resistant biological material known, of microbial and chemical decomposition. Due to this, pollen grains are well preserved during fossilization. Inrine of pollen grain is made up of pectocellulose.You need to login to perform this action.
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