The cell of the sporogenous tissue undergo meiotic division to form microspore tetrads what would be the ploidy of the cells of sporogenous tissue
$n$
$2n$
$3n$
All of the above
Which of the following is a useful method to store the pollen grain
Which of the following has proved helpful in preserving pollen as fossils?
$A$ : Restitutional nucleus can be observed in endothecium cells.
$R$ : Endothecium cells are usually triploid.
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 $C$
Ubisch bodies found in tapetal cell help in formation of