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Control and Coordination
Which of the following is a plant hormone?
Hormones are chemical substances secreted by the endocrine gland of our body. Hormones also help in the control, coordination, and growth of our bodies. Insulin is a hormone that is secreted by the pancreas. It controls the sugar level in the blood. Thyroxin regulates the metabolisms of carbohydrates, proteins, and fats. Oestrogen is the hormone that is released by the ovaries and it regulates secondary sexual characters during puberty and egg production.
Plant hormones are the chemical that helps to coordinates the growth, development, and responses to the environment. For example, cytokinin is the plant hormone that promotes cell division in the plant. It is present in the area where rapid cell division occurs like in fruits and seeds.
Hence, the correct answer is (d) Cytokinin.
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