Different Tropic Movements

Q.

A plant kept at a window sill, bends outwards, in search of sunlight. This is linked to the fact that

1. all living things grow.

2. all living things react or respond to their environment.

3. all living things need nutrition.

4. all living things respire.

Q.

At the base of hair follicles is present a swollen inverted cup-like structure called ______.

Q. A sleep movement in plants is a nastic response, that occurs daily in response to ____.

1. Lack of light
2. Light
3. Water
4. Both A and B

Q.

Thigmotropism is best seen in

1. Tendrils

2. Leaf apex

3. Root apex

4. Stem apex

Q. A sleep movement in plants is a nastic response, that occurs daily in response to ____.

1. Lack of light
2. Light
3. Water
4. Both A and B

Q. The behavioural response of plants where they move towards or away from a stimulus is called .

1. plasticity
2. tropism
3. totipotency
4. locomotion

Q.

Match the following columns related to tropisms in plants

$\begin{array}{cc}\text{Column-I}& \text{Column-II}\\ \text{A.Phototropism}& \text{1.Response to chemicals}\\ \text{B.Gravitropism}& \text{2.Response to light}\\ \text{C.Thigmotropism}& \text{3.Response to physical contact}\\ \text{D.Chemotropism}& \text{4.Response to gravity}\end{array}$

1. A-1, B - 2, C - 3, D - 4

2. A - 2, B - 4, C - 1, D - 3

3. A - 4, B - 3, C - 2, D - 1

4. A - 2, B - 4, C - 3, D - 1