Class 12 Biology - Chapter Sexual Reproduction in Flowering Plants NCERT Solutions | What are chasmogamous flowers? Can cross

Welcome to the NCERT Solutions for Class 12th Biology - Chapter Sexual Reproduction in Flowering Plants. This page offers a step-by-step solution to the specific question from Excercise ".$ex_no." , Question 7: what are chasmogamous flowers can cross pollinati....
Question 7

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

Answer

There are two types of flowers present in plants namely Oxalis and Viola − chasmogamous and cleistogamous flowers. Chasmogamous flowers have exposed anthers and stigmata similar to the flowers of other species.

Cross-pollination cannot occur in cleistogamous flowers. This is because cleistogamous flowers never open at all. Also, the anther and the stigma lie close to each other in these flowers. Hence, only self-pollination is possible in these flowers.

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