First slide

Pre-fertilisation : Structures and Events

Question

Assertion : Pollen grains are well-preserved during fossilisation.
Reason : The exine of pollen grain contains sporopollenin.

Easy

A

Both Assertion and Reason are true, and Reason is the correct explanation of Assertion
B

Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
C

Assertion is true, but Reason is false
D

Assertion is false, but Reason is true

Solution

Sporopollenin is found in the exine of pollen grains. It is resistant to microbial and chemical decomposition, that is why, pollen grains are well-preserved during fossilisation.

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