Multiple choice

The growth of pollen tube by the virtue of the style towards the embryo sac is an example of

  1. geotropism

  2. chemotropism

  3. hydrotropism

  4. phototropism

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

Tropic movements in response to the stimulus of chemicals is called chemotropic movements. The most prominent example can be seen in the growth of pollen tube by the virtue of the style towards the embryo sac.