CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Growth Independent Movements

One of the fo...

Question

One of the following is not caused by the growth related movement of the concerned plant part. This is :
(a) phototropism
(b) photonasty
(c) thigmonasty
(d) thigmotropism

Open in App

Solution

(c) thigmonasty

The rolling up of plant leaves on touching is a thigmonastic movement and it is not related to growth.

Suggest Corrections

thumbs-up

0

Similar questions

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

(a) geotropism

(b) phototropism

(c) thigmotropism

(d) photonasty

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. Dandelion flowers open the petals in bright light during the daytime but close the petals in dark at night. This response of dandelion flowers to light is called :
(a) phototropism
(b) thigmonasty
(c) chemotropism
(d) photonasty

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?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Coordination in Plants

BIOLOGY

Watch in App

explore_more_icon

Explore more

Growth Independent Movements

Standard X Biology

Join BYJU'S Learning Program

CrossIcon