In angiosperms, microsporogenesis and mega sporogenesis
involve meiosis
occur in ovule
occur in anther
form gametes without further divisions.
Embryo sac is also known as
The diagram given below represents the sectional view of
$A$- Four cells are at the chalzal end and are called the antipodals.
$R -$ A typical angiosperm embryo sac, at maturity,though $8$-nucleate is $7$-celled
Match the columns
Column $I$ | Column $II$ |
$(a)$ Sex cell of | $(1)$ Synergid cells embryo sac |
$(b)$ Synergid cell of | $(2)$ Antipodal cells sex reproduction of embryo sac |
$(c)$ Cell opposite to | $(3)$ Egg cells sex cell of embryo sac |
$(d)$ The central cell of | $(4)$Secondary nucleus embryo sac |