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Question
Which statement is not for a hormone?
Options
They act on target organs usually away from the source glands.
They are secreted directly into the blood.
They are used again and again like catalysts.
They are produced in very minute quantities and are biologically very active.
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Solution
They are used again and again like catalysts.
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| (ix) Parathyroid | regulates the amount of water excreted in the urine. |
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| (xiii) Gigantism | (m) Shortage of glucose in the blood. |
| (xiv) Enlargement of breasts in adult males | (n) Over-secretion of growth hormone |
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| (xx) Adrenalin | (t) Under-secretion of thyroxin in children |
| (xxi) Vasopressin | (u) Over-secretion of growth hormones in adults |
Hormones are known as chemical messenger. Justify.
