Which of the following flowers show heterostyly?

Protandry is a condition where......

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

Dichogamy,which helps in cross-pollination,is a floral mechanism in which:

Flowers preventing self-pollination is called

Given below are two statements.
Statement $I$: Self-incompatibility is a device that prevents outbreeding.
Statement $II$: Self-incompatibility is a genetic mechanism due to which germination of pollen on the stigma of the same flower is inhibited.
In the light of the above two statements,choose the correct answer from the options given below.