Excretory System MCQs | Excretory System Multiple Choice Questions with Answers

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Questions
61 The kidneys are located
A Within the coelom
B Near the buccal cavity
C Near the heart
D Outside the coelom

Answer: Outside the coelom
62 The cells which line the neck and the body of the nephron are
A Smooth squamous epithelial
B Tessellated epithelial
C Stratified epithelial
D Cuboidal and ciliated epithelial

Answer: Cuboidal and ciliated epithelial
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63 In Annelids excretory organs are
A Nephridia
B Malpighian tubules
C Green glands
D Kidneys

Answer: Nephridia
64 Malpighian body is constituted by
A Glomerulus only
B Glomerulus and Bowman’s capsule
C Glomerulus and efferent vessel
D Glomerulus, Bowman’s capsule and efferent vessel

Answer: Glomerulus and Bowman’s capsule
65 The kidneys not only remove the waste products from the blood but also play a very important role in maintaining
A Equilibrium of the body
B Temperature of the body
C Constant composition of the blood irrespective of the nature of the food or fluid intake
D Blood pressure constant

Answer: Constant composition of the blood irrespective of the nature of the food or fluid intake
66 The pH of fresh urine is about
A 1
B 0
C 4
D 9

Answer: 0
67 Haematuria is the disorder involving
A The loss of blood through the urine
B Loss of haemoglobin in R.B.C.
C Loss of glucose in urine
D The increase in concentration blood urea

Answer: The loss of blood through the urine
68 The reabsorption of glucose from the glomerular filtrate is due to
A High osmotic pressure of filtrate
B Passive diffusion
C Active transport across the walls of proximal convoluted part
D Filtration pressure exerted on the fluids in the loop of Henle

Answer: Active transport across the walls of proximal convoluted part
69 Excretion in the form of uric acid and urates in birds is helpful in
A Conserving body heat
B Conserving water
C Elimination of water
D Conserving urea

Answer: Conserving water
70 Physiologically urea is produced by the action of an enzyme
A Uricase
B Urease
C Arginase
D None

Answer: Arginase
71 Malpighian tubules are the excretory organs in
A Cockroach
B Platyhelminthes
C Ascaris
D Pila

Answer: Cockroach
72 A notch present on the mesial side of kidney is known as
A Ureter
B Pelvis
C Hilus
D Pyramid

Answer: Hilus
73 The narrow apex of pyramid is called
A Column of Bertin
B Calyx
C Papillary duct of Bellini
D Pelvis

Answer: Papillary duct of Bellini
74 The amount of urine output per day by a normal human being is
A 4-5 liters
B 3-4 liters
C 1-1.8 liters
D 5-0.75 liters

Answer: 1-1.8 liters
75 Rate of glomerular filtration per minute in an adult human being is
A 125 ml
B 25 ml
C 225 ml
D 425 ml

Answer: 425 ml
76 Tubular secretion adds to the glomerular filtrate
A Urea
B Uric acid
C ammonia
D All the above

Answer: All the above
77 The process that pushes out water and other dissolved materials from blood in the glomerulus is
A Dialysis
B Secretion
C Filtration
D Ultrafiltration

Answer: Ultrafiltration
78 In kidneys, urine is produced by three processes
A Dialysis, ultra filtration and tubular secretion
B Ultra filtration, dialysis and tubular secretion
C Ultra filtration, tubular reabsorption and tubular secretion
D Tubular reabsorption and tubular secretion

Answer: Ultra filtration, tubular reabsorption and tubular secretion
79 Collecting tubes are lined by
A Squamous epithelium
B Columnar epithelium
C Cuboidal epithelium
D Cuboidal and columnar epithelium

Answer: Cuboidal and columnar epithelium
80 Bowman’s capsule is lined by
A Ciliated cuboidal epithelium
B Squamous epithelium
C Non ciliated cuboidal epithedal
D Non ciliated columnar epithelium

Answer: Squamous epithelium
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