Members of which plant family, pollen grains maintain viability for months ?
Given all
Solanaceae
Leguminoseae
Rosaseae
Pollens outer layer is called ...$A$... This is made up of ...$B$.... This is absent on the ...$C$.... Fill in the blanks $A, B$ and $C$
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 $ ..........
Give products of pollen grain and their uses.