Identify A to D in the following diagram - Vidyadip

MCQ

Identify $A$ to $D$ in the following diagram

A
$A-Filament, \;B-Pollen sac, \;C-Pollen grain, \;D-Line of dehiscence$
B
$A-Filament, \;B-Pollen sac, \;C-Line of dehiscence, \;D-Pollen grain$
C
$A-Filament, \;B- Line of dehiscence, \;C-Pollen sac, \;D-Pollen grains$
D
$A-Filament,\; B- Line of dehiscence, \;C- Pollen sac, \;D-Pollen grains$

✓

Answer

d
$(i)$ A typical angiospermic anther is a bilobed structures having two theca at each lobe $(ii)$ It is tetragonal in shape with $4$ microsporangia located at each lobe in its corners $(iii)$ Microsporangia develop into pollen sac, which produces pollen

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