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Negative phototropism occurs in...

Negative phototropism occurs in

A

Root

B

Stem

C

Leaf

D

Flower.

Text Solution

Verified by Experts

The correct Answer is:
A
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(a) Define phototropism. Give one example of phototropism. (b) How does phototropism occur in a plant stem (or shoot)? Explain with the help of labelled diagrams. (c) What is meant by positive phototropism and negative phototropism? Give one example of each type.

How does phototropism occur in plants?

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Phototropism affects

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

Sensation of phototropism is perceived by

The site which receives the phototropic stimulus is

A plotted 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 phytochormone causes the part X to exhibit negative phototropism?

Negative integers

Hormone involved in phototropism is