Biologically most resistant plant material is
- ASporopollenin
- BLignin
- CSuberin
- DCutin
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...........and.......... pollen loose viability within $30$ minutes
...........and.......... pollen loose viability within $30$ minutes
The vegetative cell is
The vegetative cell is
At the time of pollination, how many cells are formed in the pollen grains
At the time of pollination, how many cells are formed in the pollen grains
In $40\;\%$ angiosperms, the pollen grains are shed at
In $40\;\%$ angiosperms, the pollen grains are shed at
Identify $A$ to $D$ in the following diagram
Identify $A$ to $D$ in the following diagram