Class 12 Biology Sexual Reproduction in Flowering Plants Stamen, Microsporangium and Pollen Grain

Easy

Which organic substance can withstand extreme environmental conditions and cannot be degraded by any known enzyme?

AIPMT 1994 All AIPMT

A
Cuticle
B
Sporopollenin
C
Lignin
D
Cellulose

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Class 12 Questions

Class 12

Biology Questions

Chapter

Sexual Reproduction in Flowering Plants

Subtopic

Stamen, Microsporangium and Pollen Grain

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AIPMT 1994 Paper All AIPMT years →

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