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Phototropic curvature is the result of uneven distribution of ______?

Phototropic curvature is the result of uneven distribution of ______?

فوٹوٹروپک گھماؤ ______ کی ناہموار تقسیم کا نتیجہ ہے؟
Explanation
  • Auxin accumulates on the shaded side of the plant, promoting cell elongation and causing phototropic curvature.
  • This allows the plant to bend toward the light source for optimal photosynthesis.