Plant Growth and Development Question 2
2. Coiling of garden pea tendrils around any support is an example of:
(a) thigmotaxis
(b) thigmonasty
(c) thigmotropism
(d) thermotaxis
Show Answer
Answer : c
Hints & Solutions
(c) The coiling of garden pea tendrils around any support is an example of thigmotropism. Thigmotropism is the growth movement in response to touch. The stems and tendrils of the climbers are positively thigmotrophic in their response.
