Choose the correct options stating advantages of self-pollination.

The correct options are
A No need to produce large quantity of pollen grains
C No requirement of nectar or scent production
When pollen grains are transferred from the anthers to the stigma, the process is called as pollination. In this process, if the anthers and the stigma of the same flower are involved, then this type of pollination is called self-pollination. Following are the advantages of self-pollination.
1. It ensures the continuity of the race.
2. It helps to preserve the parental characters as the gametes of the same flower are involved.
3. It is also a very economical process as no wastage of pollen grains happens.
4. Flowers need not be showy and colorful.
5. Flowers need not produce any nectar or scent.