A) thigmotaxis
B) thigmonasty
C) thigmotropism
D) thermotaxis
Correct Answer: C
Solution :
Thigmotropism movements are due to contact with a foreign body. In twiners and lianas, there is less growth on the ide of contact and more growth on the side of branch away from the contact. Coiling of garden pea tendrils arround any support is an example of thigmotropism.
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