Biology
Given below is a table designed to give the names of the glands, the hormones produced, their chief functions, the effects of over secretion and under secretion 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 tubules | (12) ------- | (13) ------ |
Answer
| S.No. | Source Gland cells | Hormone produced | Chief function | Effect of over secretion | Effect of under secretion |
|---|---|---|---|---|---|
| 1. | Thyroid | Thyroxine | Regulates basal metabolism | Exophthalmic goiter | Simple goiter, cretinism in children and myxoedema in adults |
| 2. | Beta cells of Islets of Langerhans | Insulin | Promotes glucose utilization by the body cells | Hypoglycemia | Diabetes mellitus |
| 3. | Anterior pituitary | Growth hormone | Promotes growth of the whole body | Gigantism | Dwarfism |
| 4. | Posterior pituitary | Vasopressin | Increases reabsorption of water from kidney tubule | More concentrated and less amount of urine, Elevation of blood pressure | Diabetes insipidus |
Related Questions
Name the hormones responsible for the given functions.
Functions Hormones (a) Contraction of uterine muscles during child birth …………………………… (b) Maintenance of corpus luteum …………………………… (c) Milk formation and secretion …………………………… (d) Development of external sex characters in males …………………………… (e) Stimulation of sympathetic nervous system ……………………………. If you stand to make your maiden speech before a large audience, your mouth dries up and heart rate increases. What brings about these changes?
Complete the following table by filling in the blanks numbered 1 to 7.
Gland Hormone secreted Effect on body (1) ----------- (2) ------- Regulates basal metabolism Pancreas ("beta" cells) (3) ------- Controls blood sugar (4) ------------ (5) -------- Increases heart beat (6) ------------ Thyroid stimulating hormone (7) ------------ Complete the following table by filling in the blank spaces numbered 1 to 8.
Gland Secretions Effect on body (1) ------------ Oestrogen (2) ----- Alpha cells of islets of Langerhans (3) ------- (4) ----- (5) ---------- (6) ------- Protruding eyes (7) ---------- (8) ------- Gigantism