Question

explain the term of geotropism chemotropism and phototropism

Answer 1

geotropism is the movement of roots of plants towards gravity
while chemotropism is the movement of roots of plants toward Chemicals
and phototropism is the movement of shoot of plant towards light


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Answer 2

geotropism : movement in plenty due to the gravity of earth is called geotropism
FOR example . movement in the root of plant inside earth.

chemotropism : directional if of plant parts due to chemical is chemotropism
FOR EXAMPLE. growth of pollen tube toward the ovary due to of chemical secreted by stigma toward ovary.

phototropism : directional movement of plant part due to light as stimuli is called phototropism.

FOR EXAMPLE : movement in in sunflower toward sunlight.

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