The number of mitotic generations required to form a mature embryo sac in most of the flowering plants is
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 |
In given figure, labeled part $X$ is formed by....
What does the filiform apparatus do at the entrance into ovule?
Definations / Explanation :
$1.$ Micropyle
$2.$ Chalaza