How does phototropism occur in plants?

Q. 6 :- How does phototropism occur in plants?

 

Answer:-



Concentration of auxin changes in a particular plant part, in response to the direction of light. For example; in a stem, concentration of auxin increases in those parts which are away from light. This increases cell division in that part and thus the stem bends towards light. That is how phototropism occurs in plants.



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