Integumented megasporangium is

  • A

    Ovule

  • B

    Pollen sac

  • C

    Pollen grain

  • D

    Embryo sac

Similar Questions

Definations / Explanation :

$1.$ Egg apparatus

$2.$ filiform apparatus

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

 

The number of nuclei migrating from each of the micropylar quartet and chalazal quartet to the centre of the normal embryo sac is

Generally number of integuments in the ovule of angiosperms and gymnosperms is

What does the filiform apparatus do at the entrance into ovule?