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Q50
(CISF/2021)
Science & Technology › Basic Science (Physics, Chemistry, Biology)
Which one of the following is a plant hormone?
Result
Your answer:
—
·
Correct:
B
Explanation
Plant hormones, also known as phytohormones, are chemical substances that regulate plant growth and development. The major types include Auxins, Gibberellins, Cytokinins, Abscisic Acid, and Ethylene.
- Cytokinin: It is a plant hormone that promotes cell division (cytokinesis) and is found in regions where rapid cell division occurs, such as root tips and developing buds.
- Oestrogen: A primary female sex hormone in humans and other mammals.
- Insulin: A hormone produced by the pancreas that regulates glucose levels in the blood.
- Thyroxin: A hormone produced by the thyroid gland that regulates metabolism.
Since Oestrogen, Insulin, and Thyroxin are animal hormones, Cytokinin is the only plant hormone among the given options.
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