Which one of the following statements is not true?
Pollen grains of many species cause severe allergies.
Stored pollen in liquid nitrogen can be used in the crop breeding programmes.
Tapetum helps in the dehiscence of anther.
Exine of pollen grains is made up of sporopollenin.
Select incorrect statement regarding microsporogenesis in an anther
Find out the odd one.
In an young anther the four rows of cells which later produce pollen are called
Draw the diagram of a microsporangium and label its wall layers. Write briefly about the wall layers ?
After demonstration of totipotency, a botanist wishes to produce identical plants from an angiosperm by tissue culture. The parts or tissues which are likely to yield haploid embryos are