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[MBBS 0924] SEPTEMBER 2024 Sub. Code : 6055
M.B.B.S. DEGREE EXAMINATION
(For the candidates admitted from the Academic Year 2020 -2021 Onwards)
FIRST PROFESSIONAL ? (CBME) - SUPPLEMENTARY
PAPER I ? BIOCHEMISTRY
Q.P. Code: 526055
Time: 20 Minutes
Maximum : 20 Marks
Answer All Questions
Choose one correct answer in the box provided in the Answer Script.
No overwriting should be done. Choice should be given in Capital Letters.
III. Multiple Choice Questions:
(20 x 1 = 20)
1. The marker enzyme of Mitochondria is
A) Cathepsin B) ATP Synthase
C) Glucose-6-phosphatase D) Lactate Dehydrogenase
2. Metabolic functions of Endoplasmic reticulum include all, EXCEPT
A) Biosynthesis of proteins B) Drug metabolism
C) Degradation of proteins D) Ethanol oxidation
3. Example for Absolute specificity of enzymes is
A) Urease B) Trypsin C) Hexokinase D) Lactate Dehydrogenase
4. The mucopolysaccharide that serves as lubricant in joint cavities is
A) Heparin B) Hyaluronic acid C) Chondroitin sulphate D) Keratan sulphate
5. The co-enzymes needed for Pyruvate Dehydrogenase complex include all, EXCEPT
A) Thiamine Pyrophosphate B) Co-enzyme A C) Lipoamide D) Pyridoxine
6. Cori's disease is due to deficiency of
A) Debranching enzyme B) Branching enzyme
C) Glucose-6-phosphatase D) Liver Phosphorylase
7. All of the following mucopolysaccharidosis present with mental retardation, EXCEPT
A) Hurler's B) Hunter's C) Sly's D) Scheie's
8. In well-fed state, all of the following changes occur in adipose tissue, EXCEPT
A) Lipogenesis decreased B) Lipolysis inhibited
C) Hormone sensitive lipase inhibited D) Lipoprotein lipase activated
9. Action of Prostacyclin include
A) Decreased cyclic AMP level B) Vasoconstriction
C) Constriction of bronchioles D) Inhibition of platelet aggregation
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10. Deficiency of Beta Glucosidase leads to
A) Gaucher's disease B) Niemann Pick's disease
C) Fabry's disease D) Krabbe's leukodystrophy
11. In mitochondria, Mono Amino Oxidase is present
A) On Outer membrane B) Outer surface of inner membrane
C) In-between outer & inner membrane D) Soluble matrix
12. Criggler Najar Syndrome is due to
A) Defect in uptake of bilirubin by the liver
B) Severe deficiency of UDP glucuronyl transferase
C) Defective organic anion transport in bile canaliculi
D) Defective bilirubin excretion
13. Serum Alanine amino transferase level is elevated in
A) Parenchymal liver disease B) Obstructive liver disease
C) Alcoholic liver disease D) Cholestasis
14. All of the following are the effects of Insulin, EXCEPT
A) Lowering of blood glucose B) Favours glycogenesis
C) Promotes Glycolysis D) Favours Gluconeogenesis
15. All of the following are biological effects of Insulin on lipid metabolism, EXCEPT
A) Stimulation of acetyl-CoA carboxylase B) Inhibition of HMG-CoA reductase
C) Inhibition of hormone sensitive lipase D) Stimulation of glycerol kinase
16. Modifiable risk factor for cardiovascular disease is
A) Age B) Male gender C) Family history of CAD D) Cigarette smoking
17. All are causes of hypokalemia, EXCEPT
A) Cushing's syndrome B) Renal tubular acidosis
C) Increased hemolysis D) Adreno Genital syndrome
18. All are sources of Vitamin E, EXCEPT
A) Fish liver oil B) Wheat germ oil C) Sunflower oil D) Safflower oil
19. The Vitamin needed for Transamination reactions is
A) Pantothenic acid B) Pyridoxal Phosphate C) Thiamine D) Riboflavin
20. Barlow's disease is due to deficiency of
A) Vitamin A B) Vitamin B12 C) Vitamin C D) Vitamin D
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[MBBS 0924]
This post was last modified on 30 November 2024