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Class 11BiologyPlant Growth and DevelopmentAuxin
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What causes a green plant exposed to the light,on only one side,to bend towards the source of light as it grows?

NEET 2015All NEET
  • A
    Light stimulates plant cells on the lighted side to grow faster.
  • B
    Auxin accumulates on the shaded side,stimulating greater cell elongation there.
  • C
    Green plants need light to perform photosynthesis.
  • D
    Green plants seek light because they are phototropic.
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Class 11 Questions

Class 11

Biology Questions

Chapter

Plant Growth and Development

Subtopic

Auxin

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