Download MBBS TMU 1st Year 2015 MBS103B Biochemistry II Question Paper

Max Marks: 40

Note: Attempt all questions. Draw proper diagrams to support your answer.

Part 'B'

1. Describe liver function tests (LFT). (10)
2. Define immunity, types and discuss antigen-antibody reactions. (10)

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3. Write short notes on the following: (3x5=15)
   1. PEM (Protein Energy Malnutrition)
   2. Immunoglobulins
   3. Metabolic acidosis
   4. DNA replication
   5. Antioxidants

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4. Briefly discuss biochemical basis of cancer. (5)

MBBS I (First) Professional Examination 2014-15

Course Code: MBS103

Paper ID: 0322242

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Biochemistry - II

Part 'A'

Time: 20 Minutes

Max Marks: 10

Note: 1. Attempt all questions and return this part of the question paper to the invigilator after 20 Minutes.

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2. Please tick (√) correct one only. Cutting, overwriting or any other marking are not allowed.

3. For answering please use Ball- pen only.

2. Isoenzymes can be characterized by:
   1. Different chemical reactions they catalyse
   2. Difference in their elution profile
   3. Difference in amino acid sequence

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   4. All of the above
3. Salivary amylase is activated by:
   1. Na+
   2. K+
   3. HCO3-

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   4. Cl
4. Gangliosides are the glycolipids occurring in:
   1. Liver
   2. Brain
   3. Kidney

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   4. Muscles
5. Ketone bodies are utilized in:
   1. Mitochondria
   2. Extrahepatic tissues
   3. Chromosomes

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   4. Nuclei
6. Epitope is a discrete region on the antigen that interacts with:
   1. Fab
   2. Antibodies light & heavy chains
   3. T- cell receptor

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   4. All of the above
7. All human starts producing antibodies only after they are:
   1. Infected with a pathogen
   2. Immunized with an antigen
   3. Exposed to an antigen

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   4. None of the above
8. Active immunity means:
   1. Resistance developed after disease
   2. Resistance developed before disease
   3. Increasing rates of heart beat

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9. 3. Ig A
   4. Ig G.
10. The renal threshold for glucose is:
    1. 100 mgdl

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    2. 120 mgdl
    3. 150 mgdl
    4. 180 mgdl
11. Which of the following is an antioxidant vitamin:
    1. Vitamin-D

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    2. Vitamin-E
    3. Vitamin-K
    4. Vitamin- B complex
12. Ketone bodies are synthesized in:
    1. Liver

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    2. Brain
    3. Kidney
    4. Muscle
13. The principal buffer of the blood is:
    1. Bicarbonate buffer

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    2. Phosphate buffer
    3. Proteins
    4. Hemoglobin
14. Monoamine oxidase oxidizes:
    1. Epinephrine

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    2. Glutathione
    3. Glucagon
    4. Nor-epinephrine
15. Mitochondrial superoxide dismutase contains:
    1. Mg++

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    2. Mn++
    3. Zn++
    4. Co++
16. Lipotropic factors are:
    1. Methionine

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    2. Lecithin
    3. Choline
    4. All of the above
17. Normal level of serum calcium is:
    1. 9-11 mg/dl

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    2. 2-9mg/dl
    3. 10-12mg/dl
    4. 1-2mg/dl
18. Number of carbon atoms in eicosanoids are:
    1. 20

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    2. 30
    3. 10
    4. 40
19. Linolenic acid is a:
    1. Essential fatty acid

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    2. Essential amino acid
    3. Preservatives
    4. Disinfectant
20. Deficiency of vitamin-C causes:
    1. Scurvy

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    2. Colorblindness
    3. Beri-beri
    4. Rickets

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