[A]: Spore mother cells within the anther pollen sacs form four haploid pollen grains.
[R]: Spore mother cells divide meiotically to form four haploid pollen grains.

During formation of pollen grains, a microspore mother cell undergoes

During formation of pollen grains, a microspore mother cell undergoes

During formation of pollen grains, a microspore mother cell undergoes

During formation of pollen grains, a microspore mother cell undergoes

How many pollen mother cells should undergo meiotic division to produce 64 pollen grains?

How many pollen mother cells should undergo meiotic division to produce 64 pollen grains?

How many pollen mother cells should undergo meiotic division to produce 64 pollen grains?

How many pollen mother cells should undergo meiotic division to produce 64 pollen grains?

[A]: One diploid embryo sac mother cell develops within the nucellus of the ovule. [R]: Embryo sac mother cell divides meioti- cally and one of the cells produced becomes the haploid embryo sac.