Multiple choice

Some bisexual flowers remain closed all their life so that the pollen can easily pollinate the stigma of the flower. What is this condition called?

  1. Homogamy

  2. Heterogamy

  3. Cleistogamy

  4. Dichtyogamy

  5. Protogyny

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

Cleistogamy is found in flowers of Commelina species, which remains underground and closed all their life.