NEET Botany Plant Growth and Development Questions Solved

NEET - 2010

Coiling of garden pea tendrils around any support is an example of 
(a) thigmotaxis
(b) thigmonasty 
(c) thigmotropism
(d) thermotaxis

Audio Explanation:


Thigmotropism movements are due to contact with a foreign body. In twiners and lianas, there is less growth on the side 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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