Write the differences between growth dependent movements and growth independent movements in plants.

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Solution

Growth-dependent movements in plants:
These are directional movements of plants caused due to the presence of a specific stimulus.
Growth independent movements in plants: These are directionless movements of plants caused due to variations in the outside environment.

Differences between growth-dependent movements and growth-independent movements in plants:
Growth dependent movements in plants Growth independent movements in plants
1. Growth-dependent movements result in the growth of plants 1. Growth independent movements do not result in the growth of plants.
2. Growth-dependent movements are also called tropic movements 2. Growth independent movements are also called nastic movements
3. Growth-dependent movements are in response to light, water, chemical stimuli, gravity, etc 3. Growth independent movements are in response to touch or for capturing prey or liberating the seeds.
Example: Growth of roots of plants towards the gravity i.e. downwards. Example: The folding or drooping of leaves of ‘touch-me-not’ plants.

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Growth dependent movements in plants	Growth independent movements in plants
1. Growth-dependent movements result in the growth of plants	1. Growth independent movements do not result in the growth of plants.
2. Growth-dependent movements are also called tropic movements	2. Growth independent movements are also called nastic movements
3. Growth-dependent movements are in response to light, water, chemical stimuli, gravity, etc	3. Growth independent movements are in response to touch or for capturing prey or liberating the seeds.
Example: Growth of roots of plants towards the gravity i.e. downwards.	Example: The folding or drooping of leaves of ‘touch-me-not’ plants.