The movement of stem against the gravity is called _______.

positive geotropism

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positive phototropism

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negative phototropism

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negative geotropism

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Solution

The correct option is D
negative geotropism

“Geo” means earth and “tropism” means movement. The movement towards the earth, due to gravity is called positive geotropism like roots; and movement away from the earth is called negative geotropism.

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Similar questions

Stems are :

(a) positively geotropic and negatively phototropic

(b) positively geotropic and positively phototropic

(d) negatively phototropicand positively 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

Q. 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
(a) (i) and (ii) (b) (ii) and (iii) (c) (iii) and (iv) (d) (i) and (iv)

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

A potted plant is growing in a transparent glass jar. In this plant, X and Y are the two growing parts having a lot of meristematic tissue. It is observed that the part X of this plant exhibits positive geotropism but negative phototropism. On the other hand, part Y of this plant exhibits negative geotropism but positive phototropism.
(a) Name the part X of plant.
(b) Name the part Y of plant.
(c) Which part of the plant, X or Y, will exhibit positive hydrotropism?
(d) Which part of the plant, X or Y, can have tendrils on it?
(e) Which phytohormone causes the part X to exhibit negative phototropism?

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The movement of stem against the gravity is called _______.

The correct option is D negative geotropism “Geo” means earth and “tropism” means movement. The movement towards the earth, due to gravity is called positive geotropism like roots; and movement away from the earth is called negative geotropism.

The correct option is D
negative geotropism

“Geo” means earth and “tropism” means movement. The movement towards the earth, due to gravity is called positive geotropism like roots; and movement away from the earth is called negative geotropism.