AIPMT MAIN2008Botany-Plant Anatomy
AIPMT MAIN 2008 Botany Pollen Structure MCQ Question
Type: MCQ-conceptual-Medium
Which one of the following is resistant to enzyme action?
A
Leaf cuticle
B
Cork
C
Wood fibre
D
Pollen exine
Correct Answer
Option D
Detailed Explanation
Pollen exine is formed of sporopollenin which is resistant to microbial, physical and chemical decomposition. Due to presence of sporopollenin, pollens can be preserved for longer period of time in fossil form.
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