Excretory System Quiz | Excretory System Objective Type Questions & Answers

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Questions
21 Conversion of excess of amino acids into urea is done in
A Lungs
B Large intestine
C Liver
D Cloaca

Answer: Liver
22 Man is
A Ammonotelic
B Ureotelic
C Uricotelic
D None of the above

Answer: Ureotelic
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23 Malpighian body is present in
A Skin
B Kidney
C Testes
D Ovaries

Answer: Kidney
24 The retroperitoneal kidney is
A Kidney of fish
B Kidney covered by peritoneum on ventral side
C Kidney covered by peritoneum on dorsal side
D Kidney uncovered by peritoneum on either side

Answer: Kidney covered by peritoneum on ventral side
25 The main excretory organs in man are
A Kidneys
B Nephridia
C Trachea
D Lungs

Answer: Kidneys
26 Kidneys are not the only organs of excretion, their work is supplemented by
A Liver
B Skin
C Heart
D Large intestine

Answer: Skin
27 The position of kidneys is
A Inter-peritoneal
B Retroperitoneal
C Intraperitoneal
D Neon of these

Answer: Retroperitoneal
28 The bunch of capillaries present in the Bowman’s capsule is called
A Paccinian corpuscle
B Bowman’s capsule
C Glomerulus
D Malpighian capsule

Answer: Glomerulus
29 Diameter of the renal afferent vessel is
A Same as that of efferent
B Smaller than that of efferent
C Larger than that of efferent
D There is no efferent vessel

Answer: Larger than that of efferent
30 The afferent and efferent vessels are
A Arterial in nature
B Venous in nature
C One is arterial and the other is venous
D None of the above

Answer: Arterial in nature
31 Deamination is the first step in urea formation. It means the
A Reduction of ammonia
B Oxidation of ammonia
C Addition of amino group to a nonamino organic molecule
D Removal of amino group from an amino acid

Answer: Removal of amino group from an amino acid
32 The glomerular afferent arteriole has a pressure of
A + 120 mm Hg
B -120 mm Hg
C + 95 mm Hg
D +75 mm Hg

Answer: +75 mm Hg
33 Glycosuria is the term used for
A Loss of glucose in the urine
B Loss of blood in the urine
C Loss of salts in the urine
D None of these

Answer: Loss of glucose in the urine
34 Uraemia is an excretory disorder in which
A The tubules of kidney reabsorb urea in large amount
B Concentration of urea goes high in the blood because the tubules are not able to remove it from the blood
C Urea is produced in excess in the body
D None of these

Answer: Concentration of urea goes high in the blood because the tubules are not able to remove it from the blood
35 The elimination of insoluble calcium phosphate takes place by
A Liver
B Kidney
C Large intestine
D Skin

Answer: Large intestine
36 Excretion of bile pigments in the urine indicates
A Anaemia
B Diabetes
C Rickets
D Jaundice

Answer: Jaundice
37 Which of the following enzyme is produced in the kidneys
A Rennin
B Renin
C Uricase
D Arginase

Answer: Renin
38 The collecting ducts in the kidney converge to from
A Pyramid
B Calyx
C Pelvis
D Columns of Bertin

Answer: Pyramid
39 In adult Frog, the kidney is
A Pronephros
B Opisthonephros
C Mesonephros
D Metanephros

Answer: Mesonephros
40 In human beings, gout is caused by
A Deficiency of iodine
B Excessive secretion of thyroid
C Excessive liberation of uric acid
D Deposition of uric acid

Answer: Deposition of uric acid

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