Roots usually exhibit negative phototropism.

True

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False

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Solution

The correct option is A True
Roots usually exhibit negative phototropism, although gravitropism may play a greater role in root behavior and growth. The combination of phototropism and gravitropism allow plants to grow in the right direction.

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Similar questions

Roots usually exhibit negative phototropism.

Which of the following plant part exhibits negative phototropism ?

(a) root

(b) branch

(d) stem

Q. Which part of the plant exhibits negative phototropism?

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 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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Roots usually exhibit negative phototropism.

The correct option is A TrueRoots usually exhibit negative phototropism, although gravitropism may play a greater role in root behavior and growth. The combination of phototropism and gravitropism allow plants to grow in the right direction.

The correct option is A True
Roots usually exhibit negative phototropism, although gravitropism may play a greater role in root behavior and growth. The combination of phototropism and gravitropism allow plants to grow in the right direction.