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Geotropism

Name the plan...

Question

Name the plant organs which are:

(c) negatively geotropic

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Solution

The correct answer is shoot or stem.
•The stem of the plant shows negative geotropism which means that the movement of the shoot region is against the direction of the force of gravity (upwards).
•The movement of a plant part in response to the gravitational force of the earth is called geotropism.

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Similar questions

Name the plant organs which are :
(a) positively phototropic
(b) positively geotropic
(c) negatively geotropic
(d) positively hydrotropic

Q. (a) Define geotropism. Give one example of geotropism.
(b) What is meant by 'positive geotropism' and 'negative geotropism? Give one example of each type. Draw a labelled diagram to illustrate your answer indicating the plant part which shows positive geotropism and the plant part which shows negative geotropism.
(c) Name one plant part which exhibits positive thigmotropism.

Give one example each of a plant part:

(a) Which is positively hydrotropic as well as positively geotropic.

(b) Which is positively phototrophic but negatively geotropic.

The root of a plant is :

(i) positively phototropic but negatively geotropic

(ii) positively geotropic but negatively phototropic

(iii) negatively phototropic but positively hydrotropic

(iv) negatively hydrotropic but positively phototropic

Stems are :

(a) positively geotropic and negatively phototropic

(b) positively geotropic and positively phototropic

(c) negatively geotropic and positively phototropic

(d) negatively phototropicand positively geotropic

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