Movements in Response to Touch

Q.

Give some examples of turgor movements.

Q.

Movement of plants in response to external stimuli, where the direction of the movement is not dependent on the direction of the stimulus, is called ___

Q.

Which of the following is a stimulus in plants?

1. Light

2. Touch

3. Bending of shoot

4. Closing of leaves

Q.

Movement of the plant in the direction of stimulus.

Q. The term stimulus refers to:

1. plant hormone

2. animal disease

3. external disturbance or impulse

4. deadly plant disease

Q.

If the don't touch me plants part is removed from the plant , will it response to the stimuli.

Q.

Consider the following phenomena and which of them is a tropic movement?

1. The closing of leaves by touch-me-not plant.
2. The growth of a plant towards the light.

1. Only 1

2. Only 2

3. Both 1 & 2

4. Neither 1 nor 2

Q. Which of the following can be a stimulus?

1. Light
2. Touch
3. Water
4. Gravity

Q. Stem tendrils are found in

1. Cucurbita and Pisum
2. Vitis and Passiflora
3. Smilax and Geranium
4. Pisum and Lathyrus

Q. A stimulus is:

1. An enzymatic reaction.
2. A deadly infection for plants.
3. An external disturbance or impulse.
4. A plant hormone.

Q.

Statement 1: Plants show movement.
Statement 2: Plants generally remain fixed to soil.

1. Both the statements are false

2. Statement 1 is false and statement 2 is true

3. Statement 1 is true and statement 2 is false

4. Both the statements are true

Q. Which of the following is not correctly matched?

1. Negative Chemotropism - Movement away from a chemical
2. Positive Phototropism - Movement towards the light
3. Positive Geotropism - Movement towards the gravity
4. Negative Hydrotropism - Movement towards water

Q. Which of the following picture shows the growth independent movement?

1. 
2. 
3. 
4. 

Q.

The closing of leaves of Mimosa plant (lajwanti) when touched is an example of:

1. Thigmonastic movement

2. Phototropic movement

3. Geotropic movement

4. Hydrotropic movement

Q. The drooping of Mimosa pudica leaves is an example of _____.

1. thigmonasty
2. nyctinasty
3. phototropism
4. thigmotropism