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Q. No.In which of the following processes does oxytocin not play a significant role?
| 1. | Stimulation of uterine contractions during childbirth (parturition) |
| 2. | Regulation of milk production in lactating mothers |
| 3. | Promotion of social bonding and trust |
| 4. | Regulation of blood pressure |
Subtopic: Â Prolactin & Posterior Pituitary |
From NCERT
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Functions of the thyroid gland include:
1. Regulation of calcium levels in the blood.
2. Production of insulin and glucagon.
3. Regulation of metabolic rate and calcium balance.
4. Regulation of metabolic rate and synthesis of proteins.
1. Regulation of calcium levels in the blood.
2. Production of insulin and glucagon.
3. Regulation of metabolic rate and calcium balance.
4. Regulation of metabolic rate and synthesis of proteins.
Subtopic: Â Thyroid Gland Part I |
From NCERT
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An excess secretion of aldosterone in the human body is expected to lead to:
| I: | an increase in potassium ion concentration in plasma |
| II: | an increase in the blood pressure |
| 1. | Only I is correct |
| 2. | Only II is correct |
| 3. | Both I and II are correct |
| 4. | Both I and II are incorrect |
Subtopic: Â Adrenal Cortex: Aldosterone |
From NCERT
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Aldosterone acts mainly at renal tubules and stimulates the:
| 1. | Reabsorption of Na+ and K+ |
| 2. | Excretion of Na+ and K+ |
| 3. | Excretion of K+ and phosphate ions |
| 4. | Reabsorption of Na+ and phosphate ions |
Subtopic: Â Adrenal Cortex: Aldosterone |
From NCERT
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Which of the following is not a function of thyroid hormones?
| 1. | Regulation of metabolic rate |
| 2. | Promotion of calcium absorption in the intestines |
| 3. | Stimulation of protein synthesis |
| 4. | Increase in oxygen consumption and energy expenditure |
Subtopic: Â Thyroid Gland Part I |
From NCERT
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Dwarfism can be caused by the deficiency, during childhood, of:
| I. | Growth hormone |
| II. | Thyroid hormones |
| 1. | Only I and the dwarf will have normal mental development |
| 2. | Only II and the dwarf will also be mentally retarded |
| 3. | Both I and II and in both cases the mental development will be affected |
| 4. | Both I and II and mental development will be effected only in II. |
Subtopic: Â Pituitary & Hypothalamus |Â Thyroid Gland Part I |
From NCERT
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An abnormal increase in the secretion of aldosterone will lead to:
| 1. | An increased concentration of sodium in the blood and a reduced blood pressure |
| 2. | An increased concentration of potassium in the blood and a reduced blood pressure |
| 3. | A decreased concentration of sodium in the blood and an elevated blood pressure |
| 4. | A decreased concentration of potassium in the blood and an elevated blood pressure |
Subtopic: Â Adrenal Cortex: Aldosterone |
From NCERT
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Mrs. 'Y' is a woman of 45 years she is suffering from osteoporosis. Which of the following hormone can be given to her in order to improve her condition?
1. Parathyroid hormone
2. Progesterone
3. Triiodothyronine
4. Thyrocalcitonin
1. Parathyroid hormone
2. Progesterone
3. Triiodothyronine
4. Thyrocalcitonin
Subtopic: Â Thyroid Gland Part I |Â Thyroid Gland Part II |
 53%
From NCERT
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Given below are two statements:
| Assertion (A): | Hypothalamus is connected to the posterior lobe of the pituitary by hypophyseal portal veins |
| Reason (R): | The hypophyseal portal arteries carry blood from the hypothalamus to the neurohypophysis |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Adenohypophysis & Hypothalamus |
 56%
From NCERT
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Identify the correctly matched pair:
| Part of the pituitary | Hormone synthesized | |
| I: | Pars distalis | Gonodotropin releasing hormone |
| II: | Pars intermedia | Melanocyte stimulating hormone |
| III: | Pars nervosa | ADH and oxytocin |
| 1. | Only III | 2. | Only II |
| 3. | Only I and II | 4. | Only II and III |
Subtopic: Â Pituitary & Hypothalamus |Â Prolactin & Posterior Pituitary |
From NCERT
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