Sexual Reproduction In Flowering Plants

Given below are two statements : One labelled as Assertion A and the other labelled as Reason R :

Assertion A : In gymnosperms the pollen grains are released from the microsporangium and carried by air
currents.

Reason R : Air currents carry the pollen grains to the mouth of the archegonia where the male gametes are
discharged and pollen tube is not formed.

In the light of the above statements, choose the correct answer from the options given below :