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Question
Which one of the following is NOT an extrinsic factor in the development of plants?
Options
Water
Temperature
Hormonal
Oxygen
MCQ
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Solution
Hormonal
Explanation:
Hormones in plants are also known as growth regulators because they are produced in the growing tips of plants and transported to different parts of the plant to regulate various metabolic activities.
They are also known as PGR plant growth regulators or plant hormones because they are produced in the growing tips of plants and transported to different parts of the plant.
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Plant Development
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