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Q. No.A scientist develops a new drug, and finds that when it is administered in human there is a substantial increase in the volume of urine produced. When he administers ADH/vasopressin at the same time, the volume of urine returns to normal. Which hypothesis best fits these observations? The new drug:
1. Blocks the receptors for ADH on the collecting tubules of the kidney
2. Blocks the release of ADH from the pituitary
3. Mimics the action of ADH
4. Decrease blood pressure
Subtopic: Adenohypophysis & Hypothalamus |
56%
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Steroid hormone :
1. Include testosterone, estrogen and growth hormone
2. Are only produced in the pituitary gland
3. Pass easily through cell membrane to act in the nucleus
4. Stimulate liver cells to convert glucose to glycogen
1. Include testosterone, estrogen and growth hormone
2. Are only produced in the pituitary gland
3. Pass easily through cell membrane to act in the nucleus
4. Stimulate liver cells to convert glucose to glycogen
Subtopic: Mechanism of Hormone Action |
77%
From NCERT
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Read the following statements:
i. Oxytocin is called 'milk ejection hormone'
ii. Epinephrine is methylated nor-epinephrine
iii. The endocrine portion of pancreas consists of Islets of Langerhans (98-99%) whereas, exocrine portion of pancreas consists of pancreatic acini (1-2%).
iv. Thyroid regulates BMR
v. Testosterone exerts a feedback inhibitory effect on LH (ICSH) secretion
How many of the above statements are correct?
1. Four
2. Three
3. Two
4. One
i. Oxytocin is called 'milk ejection hormone'
ii. Epinephrine is methylated nor-epinephrine
iii. The endocrine portion of pancreas consists of Islets of Langerhans (98-99%) whereas, exocrine portion of pancreas consists of pancreatic acini (1-2%).
iv. Thyroid regulates BMR
v. Testosterone exerts a feedback inhibitory effect on LH (ICSH) secretion
How many of the above statements are correct?
1. Four
2. Three
3. Two
4. One
Subtopic: Adenohypophysis & Hypothalamus | Thyroid Gland Part I | Thyroid Gland Part II | Misc. Hormones | Pancreas |
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Identify A, B, C and D in the table :
| Progesterone | Estrogen |
| A | B |
| Mainly produced by ruptured and emptied graafian follicles called Corpus luteum | C |
| Controls the growth and maintenance of endometrium | Controls the appearance and maintenance of secondary sex characters |
| D | Secretion is mainly controlled by FSH |
| Options | A | B | C | D |
| 1. | Secreted by ovary after ovulation | Secreted by ovary prior to and after ovulation | Mainly produced by growing Graafian follicles | Secretion is mainly controlled by LG |
| 2. | Secreted by ovary to ovulation | Secreted by ovary only after ovulation | Mainly produed by ruptured Graafian follicles | Secretion is mainly controlled by ICSH |
| 3. | Secreted by hypothalamus | Secreted by ovary | Mainly produed by uterus | Secretion is mainly controlled by ICSH |
| 4. | Secreted by ovary and pituitary | Secreted by hypothalamus | Mainly produed by uterus | Secretion is mainly controlled by LH |
Subtopic: Misc. Hormones |
74%
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Assertion (A): Endocrine glands are ductless glands.
Reason (R): Hormones of endocrine glands directly enter in the blood circulation.
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. (A) is false, but (R) is true.
Reason (R): Hormones of endocrine glands directly enter in the blood circulation.
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. (A) is false, but (R) is true.
Subtopic: Intro to Hormones & Endocrine Glands |
83%
From NCERT
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Assertion (A): LH and FSH are called gonadotropins.
Reason (R): LH and FSH stimulate gonadal activity.
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. (A) is false, but (R) is true.
Reason (R): LH and FSH stimulate gonadal activity.
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. (A) is false, but (R) is true.
Subtopic: Adenohypophysis & Hypothalamus |
92%
From NCERT
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Assertion (A): Vasopressin is called ADH.
Reason (R): It increases diuresis.
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. (A) is false, but (R) is true.
Reason (R): It increases diuresis.
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. (A) is false, but (R) is true.
Subtopic: Prolactin & Posterior Pituitary |
76%
From NCERT
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Assertion (A): Hormones have specific target cells in our body.
Reason (R): Each receptor is specific to one hormone.
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. (A) is false, but (R) is true.
Reason (R): Each receptor is specific to one hormone.
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. (A) is false, but (R) is true.
Subtopic: Intro to Hormones & Endocrine Glands: I |
80%
From NCERT
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Assertion (A): Physiological functions are regulated by hormones.
Reason (R): Hormones control the target tissue metabolism.
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. (A) is false, but (R) is true.
Reason (R): Hormones control the target tissue metabolism.
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. (A) is false, but (R) is true.
Subtopic: Mechanism of Hormone Action |
74%
From NCERT
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Assertion (A): Aldosterone is the main mineralocorticoid of the human body
Reason (R): Aldosterone is a type of corticoid which regulates the balance of water and electrolytes.
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.
Reason (R): Aldosterone is a type of corticoid which regulates the balance of water and electrolytes.
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: Adrenal Cortex: Aldosterone |
From NCERT
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