If the cells of root in wheat plant have $42$ chromosomes, then the no. of chromosome in the cell of pollen grain is

  • [AIIMS 2014]
  • A

    $14$

  • B

    $21$

  • C

    $28$

  • D

    $42$

Similar Questions

Identify the structures marked $A$ to $F$ in the given diagram

How many pollen grains are formed from $10$ microspore mother cells by meiosis

  • [AIPMT 1996]

Pollens outer layer is called ...$A$... This is made up of ...$B$.... This is absent on the ...$C$.... Fill in the blanks $A, B$ and $C$

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

Members of which plant family, pollen grains maintain viability for months ?