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Q. No.| 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. 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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDwarfism 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. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Parathyroid hormone
2. Progesterone
3. Triiodothyronine
4. Thyrocalcitonin
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 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. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify 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 |
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