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Question
Goiter is usually observed in people living in hilly regions.
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Solution
The soil and water in hilly regions is deficient in iodine. Hence goitre is usually observed in people living in hilly regions.
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RELATED QUESTIONS
Given below is a table designed to give the names of the glands, the hormones produced, their chief functions, the effects of oversecretion and undersecretion in respect of thyroid, pituitary and pancreas. Fill up the blanks 1–13.
| S.No. | Source Gland cells | Hormone produced | Chief function | Effect of oversecretion | Effect of undersecretion |
| 1 | (1) ______ | Thyroxine | (2) ______ | (3) ______ | (4) ______ |
| 2 | Beta cells of Islets of Langerhans | (5) ______ | Promotes glucose utilisation by the body cells | (6) ______ | (7) ______ |
| 3 | (8) ______ | Growth hormone | (9) ______ | (10) ______ | Dwarfism |
| 4 | (11) ______ | Vasopressin | Increases reabsorption of water from kidney tubule | (12) ______ | (13) ______ |
Name the hormone produced by the following gland, giving one function:
Thyroid
Give a labeled diagram of parathyroid gland.
Give a labeled diagram of thymus gland.
Name the Following: Iodine is necessary for the secretion of which hormone.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Rickets is caused due to deficiency of iodine.
Decreased secretion of thyroid hormones in children leads to ______.
Islets of Langerhans are located in the ______.
Define the following term:
Myxoedema
Name the disease in which a child shows symptoms like low BMR, thick tongue, prolonged neonatal jaundice, lethargy and constipation.
