Solved papers for NEET Biology NEET PYQ-Excretory System In Animals

done NEET PYQ-Excretory System In Animals Total Questions - 31

• question_answer1) A condition of failure of kidney to form urine is called: [AIPMT 1998]
  A)
  deamination
  done clear
  B)
  entropy
  done clear
  C)
  anuria
  done clear
  D)
  none of these
  done clear
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• question_answer2) If Henle's loop were absent from mammalian nephron, which of the following is to be expected? [AIPMT 2003]
  A)
  The urine will be more concentrated
  done clear
  B)
  The urine will be more dilute
  done clear
  C)
  There will be no urine formation
  done clear
  D)
  There will be hardly any change in the quality and quantity of urine formed
  done clear
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• question_answer3) Uricotelism is found in: [AIPMT (S) 2004]
  A)
  mammals and birds
  done clear
  B)
    fishes and fresh water protozoans
  done clear
  C)
  birds, reptiles and insects
  done clear
  D)
  frogs and toads
  done clear
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• question_answer4) A terrestrial animal must be able to: [AIPMT (S) 2004]
  A)
  excrete large amounts of water in urine
  done clear
  B)
  conserve water
  done clear
  C)
  actively pump salts out through the skin
  done clear
  D)
  excrete large amounts of salts in urine
  done clear
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• question_answer5) The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is: [AIPMT (S) 2005]
  A)
  20 mm Hg
  done clear
  B)
  75 mm Hg
  done clear
  C)
  30 mm Hg
  done clear
  D)
  50 mm Hg
  done clear
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• question_answer6) In Ornithine cycle, which of the following wastes are removed from the blood? [AIPMT (S) 2005]
  A)
  Urea and urine
  done clear
  B)
  Ammonia and urea
  done clear
  C)
  CO2 and ammonia
  done clear
  D)
  CO2 and urea
  done clear
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• question_answer7) Earthworms are: [AIPMT (S) 2006]
  A)
  ureotelic when, plenty of water is available
  done clear
  B)
  uricotelic when plenty of water is available
  done clear
  C)
  uricotelic under conditions of water scarcity
  done clear
  D)
  ammonotelic when plenty of water is available
  done clear
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• question_answer8) Angiotensinogen is a protein produced and secreted by: [AIPMT (S) 2006]
  A)
  macula densa cells
  done clear
  B)
  endothelial cells (cells lining the blood vessels)
  done clear
  C)
  liver cells
  done clear
  D)
  juxtaglomerular (JG) cells
  done clear
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• question_answer9) Uric acid is the chief nitrogenous component of the excretory products of [AIPMT (S) 2009]
  A)
  man
  done clear
  B)
  earthworm
  done clear
  C)
  cockroach
  done clear
  D)
  frog
  done clear
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• question_answer10) Which one of the following statements in regard to the excretion by the human kidneys is correct? [AIPMT (S) 2010]
  A)
  Descending limb of Loop of Henie is impermeable to water
  done clear
  B)
  Distal convoluted tubule is incapable of reabsorbing\[HC{{O}_{3}}\]
  done clear
  C)
  Nearly 99 per cent of the glomerular filtrate is reabsorbed by the renal tubules
  done clear
  D)
  Ascending limb of loop of Henie is impermeable to electrolytes
  done clear
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• question_answer11) The principal nitrogenous excretory compound in humans is synthesized [AIPMT (S) 2010]
  A)
  in kidneys but eliminated mostly through liver
  done clear
  B)
  in kidneys as well as eliminated by kidneys
  done clear
  C)
   in liver and also eliminated by the same through bile
  done clear
  D)
  in the liver, but eliminated mostly through kidneys
  done clear
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• question_answer12) 

  Consider the following four statements (1-4) regarding kidney transplant and select the two correct ones out of these.      [AIPMT (S) 2010] (1) Even if a kidney transplant is proper the recipient    may   need    to    take immune-suppresants for a long time (2) The cell-mediated immune response is responsible for the graft rejection (3) The B-lymphocytes are responsible for rejection of the graft (4) The acceptance of rejection of a kidney transplant depends on specific interferon's The two correct statements are

  A)
  (2) and (3)
  done clear
  B)
  (3) and (4)
  done clear
  C)
  (1) and (3)
  done clear
  D)
  (1) and (2)
  done clear
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• question_answer13) Which one of the following correctly explains the function of a specific part of a human nephron? [AIPMT (S) 2011]
  A)
  Henle's loop    — most reabsoroption of the major substances from the glomerular filtrate
  done clear
  B)
  Distal convoluted— reabsorprion of ions into tubule the surronding blood capil- laries
  done clear
  C)
  Afferent arteriole — carries the blood away from the glomerulus towards renal vein
  done clear
  D)
  Podocytes       — create minute spaces (slit pores) for the filtration of blood into the Bowman's capsule
  done clear
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• question_answer14) Which one of the following is not a part of a renal pyramid? [AIPMT (S) 2011]
  A)
  Convoluted tubules
  done clear
  B)
  Collecting ducts
  done clear
  C)
  Loops Henie
  done clear
  D)
  Peritubular capillaries
  done clear
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• question_answer15) Uricotelic mode of passing out nitrogenous wastes is found in [AIPMT (S) 2011]
  A)
  birds and annelids
  done clear
  B)
  amphibians and reptiles
  done clear
  C)
  insects and amphibians
  done clear
  D)
  reptiles and birds
  done clear
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• question_answer16)       Which one of the following statements is correct with respect to kidney function regulation? [AIPMT (S) 2011]
  A)
  Exposure to cold temperature stimulates ADH release
  done clear
  B)
  An increase in glomerular blood flow stimulates formation of angiotensin II
  done clear
  C)
  During summer when body loses lot of water by evaporation, the release of ADH is suppressed
  done clear
  D)
  When someone drinks lot of water ADH release is supposed
  done clear
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• question_answer17) Which one of the following options gives the correct categorisation of six animals according to the type of nitrogenous wastes (A, B, C), they give out? [AIPMT (M) 2012]
  A)

  	A Ammonotelic	B Ureotelic	C Uricotelic
  	Pigeon, Humans	Aguatic Amphibia, Lizards	Cockroach, Frog

  done clear
  B)

  Frog, Lizards

  Aquatic Amphibia, Humans

  Cockroach, Pigeon

  done clear
  C)

  Aquatic Amphibia

  Frog, Humans

  Pigeon, Lizards, Cockroach

  done clear
  D)

  Aquatic Amphibia

  Cockroach, Humans

  Frog, Pigeon, Lizards

  done clear
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• question_answer18) A fall in glomerular, filtration rate (GFR) activates [AIPMT (M) 2012]
  A)
  juxta glomerular cells to release renin
  done clear
  B)
  adrenal cortex to release aldosterone
  done clear
  C)
  adrenal medulla to release adrenaline
  done clear
  D)
  posterior pituitary to release vasopressin
  done clear
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• question_answer19) The maximum amount of electrolytes and water (70-80%) from the glomerular filtrate is reabsorbed in which part of the nephron? [AIPMT (S) 2012]
  A)
  Ascending limb of loop of Henie
  done clear
  B)
  Distal convoluted tubule
  done clear
  C)
  Proximal convoluted tubule
  done clear
  D)
  Descending limb of loop of Henie
  done clear
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• question_answer20) 

  Figure shows human urinary system with structures labelled A to D. Select option, which correctly identifies them and gives their characteristics and/of functions [NEET 2013]

  A)
  4-adrenal gland-located at the anterior part of kidney. Secrete catecholamines, which stimulate glycogen breakdown
  done clear
  B)
  B-pelvis-broad funnel shaped space inner to hilum, directly connected to loops of Henie
  done clear
  C)
  C-mediulla-inner zone of kidney and contains complete nephrons
  done clear
  D)
  D-cortex-outer part of kidney and do not contain any part of nephrons
  done clear
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• question_answer21) Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule? [NEET 2014]
  A)
  Increase in aldosterone levels
  done clear
  B)
  Increase in antidiuretic hormone levels
  done clear
  C)
  Decrease in aldosterone levels
  done clear
  D)
  Decrease in antidiuretic hormone levels
  done clear
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• question_answer22) Removal of proximal convoluted tubule from the nephron will result in [NEET [C] 2015]
  A)
  more diluted urine
  done clear
  B)
  more concentrated urine
  done clear
  C)
  no change in quality and quantity of urine
  done clear
  D)
  no urine formation
  done clear
  View Answer play_arrow

• question_answer23) Which of the following does not favour the formation of large quantities of dilute urine? [NEET [C] 2015]
  A)
  Alcohol
  done clear
  B)
  Caffeine
  done clear
  C)
  Renin
  done clear
  D)
  Atrial-natriuretic factor
  done clear
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• question_answer24) Human urine is usually acidic because [NEET (Re) 2015]
  A)
  the sodium transporter exchanges one hydrogen ion for .each sodium ion, in peritubular capillaries
  done clear
  B)
  excreted plasma proteins are acidic
  done clear
  C)
  potassium and sodium exchange generates acidity
  done clear
  D)
  hydrogen ions are actively secreted into the filtrate
  done clear
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• question_answer25) In mammals, which blood vessel would normally carry largest amount of urea? [NEET - 2016 Phase-I]
  A)
  Renal vein
  done clear
  B)
  Dorsal aorta
  done clear
  C)
  Hepatic vein
  done clear
  D)
  Hepatic portal vein
  done clear
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• question_answer26) The part of nephron involved in active reabsorption of sodium is [NEET - 2016 Phase-II]
  A)
  Distal convoluted tubule
  done clear
  B)
  Proximal convoluted tubule
  done clear
  C)
  Bowman's capsule
  done clear
  D)
  Descending limb of Henle's loop
  done clear
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• question_answer27) Which of the following statements is correct? [NEET-2017]
  A)
  The descending limb of loop of Henle is permeable to electrolytes
  done clear
  B)
  The ascending limb of loop of Henle is impermeable to water
  done clear
  C)
  The descending limb of loop of Henle is impermeable to water
  done clear
  D)
  The ascending limb of loop of Henle is permeable to water
  done clear
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• question_answer28) Match the items given in Column I with those in Column II and select the correct option given below: [NEET - 2018]

  	Column I		Column II
  a.	Glycosuria	i.	Accumulation of uric acid in joints
  b.	Gout	ii.	Mass of crystallised salts within the kidney
  c.	Renal calculi	iii.	Inflammation in glomeruli
  d.	Glomerular nephritis	iv.	Presence of glucose in urine

  A)

  a-ii

  b-iii

  c-i

  d-iv

  done clear
  B)

  a-i

  b-ii

  c-iii

  d-iv

  done clear
  C)

  a-iii

  b-ii

  c-iv

  d-i

  done clear
  D)

  a-iv

  b-i

  c-ii

  d-iii

  done clear
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• question_answer29) Match the items given in Column I with those in Column II and select the correct option given below: [NEET - 2018]

  	Column I (Function)		Column II (Part of Excretory system)
  a.	Ultrafiltration	i.	Henle's loop
  b.	Concentration of urine	ii.	Ureter
  c.	Transport of urine	iii.	Urinary bladder
  d.	Storage of urine	iv.	Malpighian corpuscle
  		v.	Proximal convoluted tubule

  A)

  a-v

  b-iv

  c-i

  d-ii

  done clear
  B)

  a-iv

  b-i

  c-ii

  d-iii

  done clear
  C)

  a-iv

  b-v

  c-ii

  d-iii

  done clear
  D)

  a-v

  b-iv

  c-i

  d-iii

  done clear
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• question_answer30) Which of the following factors is responsible for the formation of concentrated urine? [NEET 2019]
  A)
  Secretion of erythropoietin by Juxtaglomerular complex.
  done clear
  B)
  Hydrostatic pressure during glomerular filtration.
  done clear
  C)
  Low levels of antidiuretic hormone.
  done clear
  D)
  Maintaining hyperosmolarity towards inner medullary interstitum in the kidneys
  done clear
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• question_answer31) 

  Use of an artificial kindney during hemodialysis may result in: [NEET 2019] (i) Nitrogenous waste build-up in the body (ii) Non - elimination of excess potassium ions (iii) Reduced absorption of calcium ions from gastro-intestinal tract (iv) Reduced RBC production Which of the following options is the most appropriate?

  A)
  (iii) and (iv) are correct
  done clear
  B)
  (i) and (iv) are correct
  done clear
  C)
  (i) and (ii) are correct
  done clear
  D)
  (ii) and (iii) are correct
  done clear
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