BIO CHEMISTRY MCQs by General knowledge Solutions
BIO CHEMISTRY MCQs by General knowledge Solutions
01. All the following statements about obstructive jaundice
are true except
02. A test to evaluate detoxifying function of liver is
Correct Answer:C
03. Hippuric acid is formed from
Correct Answer:B
04. An enzyme which is excreted in urine is
Correct Answer:C
Correct Answer:C
06. Oliguria can occur in
Correct Answer:A
07. Urea clearance is the
- (A) Prothrombin time may be prolonged due to impaired absorption of vitamin K
- (B) Serum alkaline phosphatase may be raised due to increased release of the enzyme from liver cells
- (C) Bile salts may enter systemic circulation due to biliary obstruction
- (D) There is no defect in conjugation of bilirubin
02. A test to evaluate detoxifying function of liver is
- (A) Serum albumin: globulin ratio
- (B) Galactose tolerance test
- (C) Hippuric acid test
- (D) Prothrombin time
Correct Answer:C
03. Hippuric acid is formed from
- (A) Benzoic acid and alanine
- (B) Benzoic acid glycine
- (C) Glucuronic acid and alanine
- (D) Glucuronic acid and glycine
Correct Answer:B
04. An enzyme which is excreted in urine is
- (A) Lactase dehydrogenase
- (B) Amylase
- (C) Ornithine transcarbamoylase
- (D) None of these
Correct Answer:C
- 05. Serum gamma glutamyl transpeptidase is raised in
- (A) Haemolytic jaundice
- (B) Myocardial infarction
- (C) Alcoholic hepatitis
- (D) Acute cholecystitis
Correct Answer:C
06. Oliguria can occur in
- (A) Diabetes mellitus
- (B) Diabetes insipidus
- (C) Acute glomerulonephritis
- (D) Chronic glomerulonephritis
Correct Answer:A
07. Urea clearance is the
- (A) Amount of urea excreted per minute
- (B) Amount of urea present in 100 ml of urine
- (C) Volume of blood cleared of urea in one minute
- (D) Amount of urea filtered by glomeruli in one minute
Correct Answer:A
08. Inulin clearance is a measure of
- (A) Glomerular filtration rate
- (B) Tubular secretion flow
- (C) Tubular reabsorption rate
- (D) Renal plasma flow
Correct Answer:B
09. Phenolsulphonephthalein excretion test is an indicator of
- (A) Glomerular filtration
- (B) Tubular secretion
- (C) Tubular reabsorption
- (D) Renal blood low
Correct Answer:D
10. Para-amino hippurate excretion test is an indicator of
- (A) Glomerular filtration
- (B) Tubular secretion
- (C) Tubular reabsorption
- (D) Renal plasma flow
Correct Answer:D
11. Renal plasma flow of an average adult man is
- (A) 120–130 ml/minute
- (B) 325–350 ml/minute
- (C) 480–52 ml/minute
- (D) 560–830 ml/minute
Correct Answer:D
12. Filtration fraction can be calculated from
- (A) Standard urea clearance and PSP excretion
- (B) Maximum urea clearance and PSP excretion
- (C) Maximum urea clearance and PAH clearance
- (D) Inulin clearance and PAH clearance
Correct Answer:A
13. Normal filtration fraction is about
- (A) 0.2
- (B) 0.4
- (C) 0.6
- (D) 0.8
Correct Answer:C
14. Filtration fraction is increased in
- (A) Acute glomerulonephritis
- (B) Chronic glomerulonephritis
- (C) Hypertension
- (D) Hypotension
Correct Answer:A
15. Among the following, a test of Glomerular function is
- (A) Urea clearance
- (B) PSP excretion test
- (C) PAH clearance
- (D) Hippuric acid excretion test
Correct Answer:D
16. Esters of fatty acids with higher alcohols other than glycerol are said to be
- (A) Waxes
- (B) Fats
- (C) Both (A) and (B)
- (D) None of these
17. The combination of an amino alcohol, fatty acid and sialic acid form
- (A) Phospholipids
- (B) Sulpholipids
- (C) Glycolipids
- (D) Aminolipids
Correct Answer:C
18. Hydrolysis of fats by alkali is called
- (A) Saponification number
- (B) Saponification
- (C) Both (A) and (B)
- (D) None of these
Correct Answer:B
19. The number of milliliters of 0.1 N KOH required to neutralize the insoluble fatty acids from 5 gms of fat is called
- (A) Acid number
- (B) Acetyl number
- (C) Halogenation
- (D) Polenske number
Correct Answer:D
20. The rate of fatty acid oxidation is increased by
- (A) Phospholipids
- (B) Glycolipids
- (C) Aminolipids
- (D) All of these
Correct Answer:A
21. Lecithin contains a nitrogenous base named as
- (A) Ethanolamine
- (B) Choline
- (C) Inositol
- (D) All of these
Correct Answer:B
22. Lecithins contain an unsaturated fatty acid at position:
- (A) α
- (B) α and β
- (C) β
- (D) None of these
Correct Answer:C
23. Lecithins are soluble in ordinary solvents except
- (A) Benzene
- (B) Ethyl alcohol
- (C) Methyl alcohol
- (D) Acetone
Correct Answer:D
24. Lecithins combine with protein to form
- (A) Phosphoprotein
- (B) Mucoprotein
- (C) Lipoprotein
- (D) Glycoprotein
Correct Answer:C
25. Instead of ester link plasmalogens possess an other link in position:
- (A) α
- (B) β
- (C) γ
- (D) None of these
Correct Answer:B
26. The alkyl radical in plasmalogen is an alcohol:
- (A) Saturated
- (B) Unsaturated
- (C) Both (A) and (B)
- (D) None of these
Correct Answer:A
27. The concentration of sphingomyelins are increased in
- (A) Gaucher’s disease
- (B) Fabry’s disease
- (C) Fabrile disease
- (D) Niemann-Pick disease
Correct Answer:B
28. Sphingomyelins contain a complex amino alcohol named as
- (A) Serine
- (B) Lysolecithin
- (C) Sphingosine
- (D) Glycol
Correct Answer:C
29. The types of sphingomyelins are
- (A) 1
- (B) 3
- (C) 4
- (D) 5
Correct Answer:B
30. Glycolipids contain an amino alcohol:
- (A) Sphingosine
- (B) Iso-sphingosine
- (C) Both (A) and (B)
- (D) None of these
Correct Answer:C
31. Cerebrosides may also be classified as
- (A) Sphingolipids
- (B) Sulpholipids
- (C) Aminolipids
- (D) Glycolipids
Correct Answer:A
32. Gaucher ’s d isease is character ized specially by the increase in
- (A) Lignoceric acid
- (B) Nervonic acid
- (C) Cerebomic acid
- (D) Hydroxynervonic acid
Correct Answer:C
33. Gangliosides are the glycolipids occurring in
- (A) Brain
- (B) Liver
- (C) Kidney
- (D) Muscle
Correct Answer:A
34. Lipoprotein present in cell membrane is by nature:
- (A) Hydrophilic
- (B) Hydrophobic
- (C) Both (A) and (B)
- (D) None of these
Correct Answer:A
35. The density of lipoproteins increases as the protein content
- (A) Increases
- (B) Decreases
- (C) Highly decreases
- (D) Slightly and promptly decreases
Correct Answer:A
36. Lipoprotiens may be identified more accurately by means of
- (A) Electrophoresis
- (B) Ultra centrifugation
- (C) Centrifugation
- (D) Immunoelectrophoresis
Correct Answer:D
37. Very low density lipoproteins are also known as
- (A) β-lipoproteins
- (B) Pre β--lipoproteins
- (C) α-lipoproteins
- (D) None of these
Correct Answer:B
38. The protein moiety of lipoprotein is known as
- (A) Apoprotein
- (B) Pre-protein
- (C) Post-protein
- (D) Pseudoprotein
Correct Answer:A
39. The β-lipoprotein fraction increases in severe
- (A) Diabetes Mellitus
- (B) Uremia
- (C) Nephritis
- (D) Muscular dystrophy
Correct Answer:A
40. ∆9 indicates a double bond between carbon atoms of the fatty acids:
- (A) 8 and 9
- (B) 9 and 10
- (C) 9 and 11
- (D) 9 and 12
Correct Answer:B
41. The number of carbon atoms in decanoic acid present in butter:
- (A) 6
- (B) 8
- (C) 10
- (D) 12
Correct Answer:C
42. Arachidonic acid contains the number of double bonds:
- (A) 2
- (B) 3
- (C) 4
- (D) 5
Correct Answer:C
43. The prostaglandins are synthesized from
- (A) Arachidonic acid
- (B) Oleic acid
- (C) Linoleic acid
- (D) Linolenic acid
Correct Answer:A
44. The Iodine number of essential fatty acids of vegetable oils:
- (A) High
- (B) Very high
- (C) Very low
- (D) Low
Correct Answer:D
45. Cholesterol is a
- (A) Animal sterol
- (B) M.F. C27 H46O
- (C) 5 methyl groups
- (D) All of these
Correct Answer:D.
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