The plant parts which consist of two generations on within the other
A Pollen grains inside the anther
B Germinated pollen grains with two male gametes
C Seed inside the fruit
D Embryo sac inside the ovule
Option: 1 (a) only
Option: 2 (a), (b) and (c)
Option: 3 (c) and (d)
Option: 4 (a) and (d)
The plants which consist of two generations on within the other are pollen grains inside the anther and embryo sac inside the ovule.
Hence, the correct option is (d).