Pollen grains are
Option 1 : Microspore tetrad
Option 2 : Dehydrated microspores
Option 3 : Megaspore tetrad
Option 4 : Pollen mother cells
Pollen grains are
Option 1 : Microspore tetrad
Option 2 : Dehydrated microspores
Option 3 : Megaspore tetrad
Option 4 : Pollen mother cells