NEET BIOLOGY

PLANT PHYSIOLOGY

PLANT MOVEMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Nastic movements have the following property
A
Fast
B
Non-directional
C
No growth in plant cells
D
Changing turgidity
E
All
Explanation: 

Detailed explanation-1: -Nastic movements are non-directional responses to stimuli (e.g. temperature, humidity, light irradiance), and are usually associated with plants. The movement can be due to changes in turgor. Decrease in turgor pressure causes shrinkage while increase in turgor pressure brings about swelling.

Detailed explanation-2: -Thus, the correct answer is ‘Folding of leaves of Mimosa pudica when touched..’

Detailed explanation-3: -(a) The non-directional movement of a plant part in response to an external stimulus is known as nastic movement . The folding up of leaves in sensitive plants in response to touch is an example of nastic movement.

There is 1 question to complete.