Given below are two statements: 
Assertion (A): Addison's disease and Cushing's disorder result from deficiency of hormones secreted by adrenal medulla 
Reason (R): Patients suffering from these experience low blood sugar level, high Na+ and low K+ in plasma
 
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 |
 56%
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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:  Adenohypophysis & Hypothalamus |
 54%
From NCERT
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Given below are two statements: 
Assertion (A): Atrial natriuretic factor (ANF) is secreted by the wall of heart's atria 
Reason (R): ANF is secreted when there is a decrease in blood flow to the heart 
 
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:  Misc. Hormones |
 70%
From NCERT
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Given below are two statements: 
Assertion (A): Diabetes mellitus is a hypothalamic disorder 
Reason (R): Low blood glucose level and cholesterol level cause diabetes mellitus 
 
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:  Pancreas |
 75%
From NCERT
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Given below are two statements: 
Assertion (A): Secretin stimulates release of pancreatic enzymes, water and bicarbonate ions from liver and pancreas 
Reason (R): It acts majorly both on exocrine and endocrine parts of pancreas and liver
 
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:  Hormones of Heart, Kidney and Gastrointestinal Tract |
From NCERT
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Given below are two statements: 
Assertion (A): Melatonin secretion is high at night and low during the day 
Reason (R): Tryptophan is a non-essential amino acid 
 
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:  Pineal Gland |
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When the plasma glucose concentration reaches very high levels, a number of different hormones help combat the hyperglycemia. After intravenous administration of a large dose of glucagon, the return from a high blood sugar level to normal is delayed in 
1. PTH insufficiency 
2. Insulin deficiency 
3. Hypersecretion of insulin 
4. Aldosterone deficiency 
Subtopic:  Pancreas |
 75%
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Which of the following is the most likely explanation for cretinism in a patient whose iodine level is normal? 
1. More production of T4 than that of T
2. Hypersecretion of MSH 
3. Hyposecretion of TSH 
4. A decrease in thyrocalacitonin
Subtopic:  Thyroid Gland Part I | Thyroid Gland Part II |
 71%
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'A' stimulates growth and development of the ovarian follicles in females which synthesis and secrete 'B'. All of the given are functions of 'B' except 
1. Development of low pitch of voice in females 
2. Regulate female sexual behavior 
3. Mammary gland development 
4. Development of growing ovarian follicles 
Subtopic:  Misc. Hormones |
 58%
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Choose the hormone that is secreted by the endocrine gland not located in the brain 
1. Melatonin 
2. Vasopressin 
3. thymosin 
4. Somatotropin 
Subtopic:  Thymus |
 85%
From NCERT
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