The three cells found in a pollen grain when it is shed at 3-celled stage
1 Vegetative cell , 1 generative cell , 1 male gamete
1 vegetative cell , 2 male gametes
1 generative cell , 2 male gametes
either (a) or (b)
As we have learnt in
Development of Male Gametophyte -
The pollen grain shed at 3-celled stage consists of 1 vegetative cell and 2 male gametes derived from the division of the generative cell. Hence, the correct answer is option b. -