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Ecosystem

What is the d...

Question

What is the difference between thigmotropism and thigmonasty?

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Solution

Thigmotropism is a directional movement of plants in response to the stimulus of touch.

Thigmonasty is a non-directional movement of plants in response to the stimulus of touch.

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Similar questions

Q. (a) What is meant by positive tropism and negative tropism? Explain with examples.
(b) Define thigmotropism. Give one example of thigmotropism.
(c) What is the difference between thigmotropism and thigmonasty? Name one plant which exhibits thigmotropism and one plant which exhibits thigmonasty. What behaviour (or responses) of these plants make you think that they exhibit thigmotropism and thigmonasty respectively?

Q. When the leaves of a Mimosa pudica plant are touched with a finger, they fold up quickly. This is an example of :
(a) chemotropism
(b) thigmonasty
(c) photonasty
(d) thigmotropism

Q. (a) What is meant by nastic movements in plants? Give one example of nastic movements in plants.
(b) What is the difference between photonasty and thigmonasty?

Q. Thigmotropism is best seen in the:

Differentiate between

(a) Thigmotropism and geotroprism

(b) Phototropism and chemotropism

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