Identify $A$ to $D$ in the following diagram
$A-Filament, \;B-Pollen sac, \;C-Pollen grain, \;D-Line of dehiscence$
$A-Filament, \;B-Pollen sac, \;C-Line of dehiscence, \;D-Pollen grain$
$A-Filament, \;B- Line of dehiscence, \;C-Pollen sac, \;D-Pollen grains$
$A-Filament,\; B- Line of dehiscence, \;C- Pollen sac, \;D-Pollen grains$
The germpores on the pollen grains are found on the
Which one of the following is resistant to enzyme action?
Identify $A$ to $E$ in the following diagram
Describe internal structure of microsporangium.
Which one of the following statements is wrong?