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What causes a green plant exposed to the light on only one side, to bend toward the source of light as it grows ?

Option: 1

Light stimulates plant cells on the lighted side to grow faster.


Option: 2

Auxin accumulates on the shaded side, stimulating greater cell elongation there.


Option: 3

Green plants need light to perform photosynthesis.


Option: 4

Green plants seek light because they are phototropic.


Answers (1)

best_answer

Auxin accumulates on the shaded side, stimulating greater cell elongation there. This typically causes the positive phototropism.

 

 

Posted by

Sanket Gandhi

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