Autogamy can occur in a chasmogamous flower if

Explain three different modes of pollination that cn occur in chasmogamous flower.

What are chasmogamous flowers?

The adaptation of facilitate autogamy in chasmogamous flowers is known as

A plant that bears both cleistogamous as well as chasmogamous flowers is

Cleistogamous flower and chasmogamous flower. In which type does the autogamy is certain ? Why ?

What are chasmogamous flowers? Can cross-pollination occur in cleistogamous flowers? Give reasons for your answer.