Ubisch bodies are present in
Pollen tube
Pollen grain
Microspore
Tapetum
The process of formation of microspores from a pollen mother cell is called
...........and.......... pollen loose viability within $30$ minutes
Germination of pollen grain on the stigma is
Complete the following flow chart
Pollen Mother cell $\to $ Pollen tetrad $\to $ Pollen grain $\to $ Vegetative cell
Pollen Mother cell $\to $ Pollen tetrad $\to $ Pollen grain $\to $ ..........
Endothecium and tapetum in anther are derived from