Question

. Explain any one directional movement and any one non-directional movement observed in plants.

Answer 1

Answer:

Directional plant growth movement in response to external stimulus. For eg geotropism, phototropism. Nastic movement. Non directional movement of plant in response to an external stimulus for eg thigmonasty,photonasty.

Explanation:

Answer 2

Answer:

directional movements are movements with response to stimulus for it's own good they are usually slow growth movements

non directional are the ones in response to external stimulus it's done to protect itself from the surroundings they are generally fast movements

Explanation:

a) directional movement: movement of shoot of a plant towards sunlight(phototropism)

b) non directional movement: closing of a touch me not plant as it comes in contact with something(nastic movement)

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