The plant parts which consist of two generations one within the other
$(a)$ Pollen grains inside the anther
$(b)$ Gemninated pollen grain with two male gametes
$(c)$ Seed inside the fruit
$(d)$ Embryo sac inside the ovule
$(a)$ and $(d)$
$(a)$ only
$(a), (b)$ and $(c)$
$(c)$ and $(d)$
Definations / Explanation :
$1.$ Perisperma
$2.$ chalaza
Product of sexual reproduction generally generates
Which one of the following statements regarding post-fertilization development in flowering plants is incorrect ?
Give differences: Microsporangium and Megasporangium
Give differences : Anther and Ovary