Biology - Mock Test 74

Question 731

‘Dup’ sound is produced during closure of?

A) Semilunar valves B) Bicuspid valve C) Tricuspid valve D) Both B and C

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Question 732

What will happen if the stretch receptors of the urinary bladder wall are totally removed?

A) There will be no micturition B) Urine will not collect in the bladder C) Micturition will continue D) Urine will continue to collect normally in the bladder

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Question 733

One of the followings is a nonsteroid hormones secreted by the atria of the heart and helps regulate blood pressure. ?

A) Erythropoietin B) Antidiuretic hormone C) Thyroxine D) Atrial natriuretic hormone

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Question 734

Volume of urine is regulated by ?

A) Aldosterone B) Aldosterone and testosterone C) ADH D) Aldosterone and ADH

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Question 735

Which one of the following secreted by posterior pituitary regulates water retention by the kidneys?

A) Antidiuretic hormone B) Aldosterone C) Thyroxine D) Erythropoietin

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Question 736

Which one of the following is not a part of a renal pyramid?

A) Loops of Henle B) Peritubular capillaries C) Convoluted tubules D) Collecting ducts

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Question 737

Which one of following correctly explains the function of a specific part of a human nephron?

A) Afferent arteriole : Carries the blood away from the glomerulus towards renal vein B) Podocytes : Create minute spaces (slit pores) for the filtration of blood into the Bowman's capsule C) Henle's loop : Most reabsorption of the major substances from the glomerular filtrate D) Distal convoluted tubule: Reabsorption of K+ ions into the surrounding blood capillaries

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Question 738

Which of the two waste products are removed from the blood in liver by Ornithine cycle?

A) Urea and CO2 B) Uric acid and ammonia C) Ammonia and CO2 D) Urea and ammonia

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Question 739

Which of the following structures facilitates easy passage of small molecules to the glomerular capsule?

A) Loop of the nephron B) Peritubular capillary C) Convoluted tubule D) Glomerulus

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Question 740

Which of the following leads to the secretion of aldosterone from the adrenal cortex?

A) Chymotrypsin B) Trypsin C) Renin D) None of these

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