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Question : Whatcauses a green plant exposedto thelight , on only one side, to bendtowards the sourceof light asit grows ?

Answer»

Light stimlates PLANT cells on thelighted side to growfaster
AUXIN accumulates on theshaded side , stimulating
GREEN plantsneed light to performphotosynthesis
Green plants seek light BECAUSETHE are phototropic .

Answer :B


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