In Cleistogamous flowers . . . . . . .

Continued self-pollination results in

In which of the following plants are autogamy and geitonogamy prevented?

What is the result of continuous self-pollination?

What is the outbreeding device,where the stamens and carpels mature at different times called?

Given below are two statements:
Statement $I$: In heteromorphic flowers,pollen grains produced from anther pollinate stigmas produced at same level.
Statement $II$: In Tobacco,the germination of pollen on the stigma of the same flower is inhibited.
In the light of above statements,select the correct option given below: