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Question
Substances which originate at the tip of the stem and control growth elsewhere are ______.
Options
food material
auxins or hormones
vitamins
enzymes
MCQ
Fill in the Blanks
Solution
Substances which originate at the tip of the stem and control growth elsewhere are auxins or hormones.
Explanation:
Cells in one area of the plant secrete hormones, which then act on other areas of the plant.
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Plant Growth Regulators
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