Autogamy can occur in a chasmogamous flower if

Options

A. pollen matures before maturity of ovule
B. ovules mature before maturity of pollen
C. both pollen and ovules mature simultaneously
D. both anther and stigma are of equal lengths.

Answer

C, D

Explanation

Autogamy is pollination within a flower. Chasmogamous flowers are those in which anthers and stigma are exposed. For autogamy, in such a flower to take place, pollen and ovule should mature simultaneously and anther and stigma should lie close to each other.