Multiple choice

Opening of flowers is an example of

  1. spontaneous movement

  2. hyponastic movement

  3. nyctinastic movement

  4. cleistogamous movement

  5. None of the above

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

Nyctinasty is the sleep movement (opening and closing) of plant organs, such as leaves and flowers, due to day and night periods of daily rhythm.