General Knowledge - Biology - Discussion

Discussion :: Biology - Section 1 (Q.No.46)


Plant bends towards the source of light on account of the movement of curvature known as

[A]. geotropism
[B]. thigmotropism
[C]. chemotropism
[D]. phototropism

Answer: Option D


No answer description available for this question.

Aksha Srivastava said: (Feb 25, 2011)  
Since we are talking in terms of light therefore the term related to light is phototropism since all other terms are not related to light the example of this question may be sunflower.

Student said: (Jul 10, 2011)  
This is the type of plant movement in which plant bends in respond to the light in the above options the photo means light and tropism means movement so it is understood that the movement of plant in respond to light.

Vikrant said: (Mar 28, 2012)  
Because phototropism is the process of movement of a plant part in response to light.

Sai said: (Sep 17, 2015)  
Photo means light; tropism means bending. So plant bending towards light is called phototropism.

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