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Exine is made up of ____(a) vascular strands(b) sporopollenin(c) parenchyma(d) meristematic cellsThis question was posed to me at a job interview.This question is from Flowering Plants Reproduction in portion Sexual Reproduction in Flowering Plants of Biology – Class 12

Answer»

Correct CHOICE is (b) sporopollenin

The explanation is: Exine forms the outer LAYER of the POLLEN GRAIN. It is made of sporopollenin. It BASICALLY helps in providing protection. Sporopollenin is chemically inert and is not broken down or degraded by enzymes.



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