The pollen grain is

  • [AIPMT 1993]
  • A

    An immature male gametophyte

  • B

    A mature male gametophyte

  • C

    Partially developed male gametophyte

  • D

    Last stage of male gametophyte

Similar Questions

Biologically most resistant plant material is

$A$ : The generative cell comes to lie freely in the cytoplasm of the tube cell.
$R$ : Cellulosic wall around generative cell is dissolved.

One pollen mother cell may produce four germinating pollen grains, each with two male nuclei and one tube nucleus. How many meiotic divisions are necessary to bring this about

How many meiotic divisions are necessary to produce $100$ pollen grains

  • [AIIMS 1993]

Endothecium layer of anther lobes is present