Give an example of phototropism.

Open in App

Solution

Phototropism
It is a tropic movement in which movement is induced by light and the bending of a stem takes place towards the light.
Examples:
Curving of the stem toward sunlight (Positive phototropism) Movement of root away from the light inside the soil (Negative phototropism)

Suggest Corrections

Similar questions

Q. (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.

Q. The growth of a pollen tube towards the ovule caused by a sugary substance as stimulus is an example of :
(a) phototropism
(b) chlorotropism
(c) gravitropism
(d) chemotropism

Q. Give one example each of a plant part :
(a) which is positively hydrotropic as well as positively geotropic.
(b) which is positively phototropic but negatively geotropic.

Q. Explain phototropism and geotropism in plants. Are there any similar examples in the animal world also?

A growing seeding is kept in a dark room. A burning candle is placed near it for a few days. The top part of seeding bends towards the burning candle. This is an example of :

(a) chemotropism

(b) hydrotropism

(d) geotropism

Join BYJU'S Learning Program

Give an example of phototropism.

Phototropism It is a tropic movement in which movement is induced by light and the bending of a stem takes place towards the light. Examples: Curving of the stem toward sunlight (Positive phototropism) Movement of root away from the light inside the soil (Negative phototropism)

Phototropism
It is a tropic movement in which movement is induced by light and the bending of a stem takes place towards the light.
Examples:
Curving of the stem toward sunlight (Positive phototropism) Movement of root away from the light inside the soil (Negative phototropism)