Download MBBS 1st Year (First Year) 2022 MAY 526055 Biochemistry Paper I Multiple Choice Supplementary Cbme MCQs Previous Question Paper || MGR University | MBBS Latest 2024 Previous Year Question MCQs Papers
THE TAMIL NADU DR. M.G.R. MEDICAL UNIVERSITY
[MBBS 0522] MAY 2022 Sub.Code : 6055
M.B.B.S. DEGREE EXAMINATION
(For the candidates admitted from the Academic Year 2019-2020)
FIRST YEAR ? SUPPLEMENTARY (CBME)
PAPER I ? BIOCHEMISTRY
MULTIPLE CHOICE QUESTIONS
Q.P. Code: 526055
Time: 30 Minutes
Maximum : 20 Marks
Answer All Questions
Choose one correct answer in the box provided in the Answer Script. No overwriting
should be done.
III. Multiple Choice Questions:
(20 x 1 = 20)
1. Which of the following tissues can not utilise ketone bodies?
A. Renal Cortex.
B. Erythrocytes.
C. Brain.
D. Skeletal Muscle.
2. Burning foot syndrome is due to deficiency of which of the following vitamin
A. Riboflavin.
B. Niacin.
C. Pantothenic acid.
D. Thiamin.
3. Classic Galactosemia due to deficiency of which enzyme ?
A. Galactokinase.
B. Galactose ? 1 ? phosphate uridyltransferase.
C. Aldose reductase.
D. UDP Hexose-4-epimerase.
4. Essential pentosuria due to deficiency of which enzyme?
A. UDP ? Glucose dehydrogenase.
B. Glucose-6-phosphate dehydrogenase.
C. Xylulose reductase.
D. Gulonolactone oxidase.
5. Which of the following is an Insulin dependent transporter
A. Glut 1
B. Glut 2
C. Glut 3
D. Glut 4
6. Which of the following is a Non Reducing sugar?
A. Maltose.
B. Lactose.
C. Cellobiose.
D. Sucrose.
7. HMG CoA reductase is inhibited by
A. Clofibrate.
B. Gemfibrosyl.
C. Lovastatin.
D. Cholestyramine.
8. Calories generated per gram of fat is
A. 4 K Cal.
B. 5 K Cal.
C. 8 K Cal.
D. 9 K Cal.
9. Congenital Erythropoietic porphyria is caused by deficiency of
A. ALA Synthase.
B. Uroporphyrinogen III Co synthase.
C. Coproporphyrinogen oxidase.
D. Uroporphyrinogen decarboxylase.
10. Daily requirement of Vitamin B1 (Thiamine) for a normal healthy adult is
A. 1 microgram.
B. 5 microgram.
C. 100 microgram.
D. 1 milligram.
11. All the compounds act as antivitamins except
A. Avidin.
B. Menadione.
C. INH.
D. Methotrexate.
12. Which enzyme is useful in treating myocardial infarction?
A. Pepsin
B. Trypsin
C. Asparaginase
D. Streptokinase
13. What is the enzyme used in diagnostic technique of ELISA?
A. Restriction endonuclease.
B. Horse radish peroxidise.
C. Reverse transcriptase.
D. Urokinase.
14. The glycosaminoglycans that serves as an anticoagulant
A. Heparin.
B. Hyaluronic acid.
C. Chondroitin sulphate.
D. Dermatan sulphate.
15. In humans, a dietary essential fatty acid is
A. Palmitic acid.
B. Stearic acid.
C. Oleic acid.
D. Linoleic acid.
16. Dietary fats after absorption appear in the circulation as
A. HDL.
B. VLDL.
C. LDL.
D. Chylomicron.
17. According to MICHAELIS-MENTEN equation Km of an enzyme
A. Is substrate concentration at maximal rate.
B. Is substrate concentration at half maximal rate.
C. Enzyme concentration at maximum rate.
D. Enzyme concentration at half minimum rate.
18. Which of the following mineral is required by glutathione peroxidase
A. Magnesium.
B. Copper.
C. Iron.
D. Selenium.
19. In liver, the conjugation of bilirubin is catalysed by which of the following enzyme ?
A. Ferrochelatase.
B. UDP ? glucuronyltransferase.
C. Pyruvate carboxylase.
D. Beta ? glucuronidase.
20. Human insulin differs from bovine insulin in
A. Biological activity.
B. Number of amino acids.
C. Position of disulphide bonds.
D. Sequence of amino acids.
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[MBBS 0522]
This post was last modified on 30 November 2024