Multiple choice

The condition in which a flower never opens is called

  1. Cleistogamy

  2. Homogamy

  3. Geitonogamy

  4. Autogamy

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Some plants never open their flowers to ensure complete self-pollination. This condition is called Cleistogamy, e.g., Commelina bengalensis, Oxalis, Viola, etc., The cleistogamous flowers are bisexual small, inconspicuous, colourless and do not secrete nectar.