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The plant hormone whose concentration stimulates the cells to grow longer on the side of the shoot which is away from light is:
Auxins are plant hormones that stimulate cell elongation on the side of the shoot away from light, causing the shoot to bend towards light. This process is called phototropism, helping the plant capture sunlight efficiently. The correct answer is (D) Auxins.
class 10 science half yearly paper
CBSE Sample Paper Class 10 Science 2025-26
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