A typical angiosperm anther is
Bilobed
Dithecous
Both $(a)$ and $(b)$
Monothecous
If the cells of root in wheat plant have $42$ chromosomes, then the no. of chromosome in the cell of pollen grain is
At the time of pollination, how many cells are formed in the pollen grains
...... posses dense cytoplasm and generally have more than one nucleus
Identify labelled part $'X'$ from the figure :
Describe the structure of pollen grain and explain the development of male gametophyte in it.