The bending of the shoot of a plant in response to light is called :

(a) geotropism

(b) phototropism

(c) thigmotropism

(d) photonasty

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Solution

(b) phototropism

Photo means light and tropism means movement. The bending of plant shoots in response to light is called phototropism.

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Question 10
The movement of the shoot towards light is

(a) geotropism
(b) hydrotropism
(c) chemotropism
(d) phototropism

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