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): In about 40% of angiosperm species, the pollen grains are shed at the 3-celled stage. Reason (R): In these species, the vegetative cell divides mitotically to form two male gametes before shedding. In the light of the above statements, choose the correct answer:

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