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Mention two roles of Auxin hormone in the growth of plants
WBBSE
Class X
Life Science
01 (b) Plant Hormones
02 Mark
2025
Answer
Two important roles of auxin in plant growth are:
- Auxin initiates and promotes cell division and cell enlargement in growing tissues.
- Auxin controls phototropic and geotropic movements by unequal distribution in stem and root, causing curvature of these organs.
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