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 :
$1.$ Dioecious
$2.$ Non albuminous
Differentiate between microsporogenesis and megasporogenesis. Which type of cell division occurs during these events? Name the structures formed at the end of these two events.
Location and Function : Primary endosperm $(3n)$.
Give differences : Microsporogenesis and Megasporogenesis
Match the following:
Column $- I$ | Column $- II$ |
$(1)$ Germ pore | $(a)$ Lack of sporopollenin |
$(2)$ Parthenium | $(b)$ Malva |
$(3)$ Self incompatibility | $(c)$ Palms |
$(d)$ Contaminant with important wheat |