Biology · SEXUAL REPRODUCTION IN FLOWERING PLANTS

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Pollen grains can be well preserved as microfossils for millions of years. Reason (R): Sporopollenin present in the exine of pollen grains is highly resistant to strong acids, alkali, high temperatures, and known enzymes. In the light of the above statements, choose the correct answer:

1. Both (A) and (R) are true and (R) is the correct explanation of (A)
2. Both (A) and (R) are true but (R) is not the correct explanation of (A)
3. is true but (R) is false
4. is false but (R) is true