Question

the plant group(s) which produce(s) several thousand times more number of male gametes as compared to the female gametes to compensate the loss of gametes during their transfer.

Answer 1

Bryophytes and Anemophilous plants And Hydrophilous Plants produce huge number of male gametes, because during transfer through the media, many of the male gametes don't reach female gametes. Therefore to compensate the loss, there is huge production of male gametes.