Download WBUHS MBBS 1st Year WBUHS Biochemistry Paper I 2018 Supplementary Question Paper

The West Bengal University of Health Sciences

MBBS 1st Professional (Supplementary) Examination, 2018

Subject: Biochemistry

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Paper: I

Full Marks: 50

Time: 2 ½ hours

Attempt all questions. The figures in the margin indicate full marks

Group-A

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1. a) Describe the different mechanisms by which body pH can be maintained within normal range.

   or

   b) Narrate the mechanisms of transport of various nutrients across a biological membrane with schematic diagram, where ever applicable.

   12

   8+4=12

Group-B

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2. Answer any two of the following:

   2 x 7

   1. Describe Watson-crick model of DNA structure. Draw and label the structure of a t-RNA.

      4+3

   2. Discuss isomerism of glucose.

      7

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   3. Discuss Secondary structure of protein.

      7

Group-C

3. Write short notes on any four of the following:

   4 x 3

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   1. Sphingomyelin.
   2. Radio isotopes in treatment.
   3. Nitric oxide having various roles.
   4. Classification of amino acids.
   5. Isoenzymes.

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Group-D

4. Explain the following Statements:

   4 x 3

   1. Ketone bodies are not waste materials.
   2. Allopurinol is called a suicide inhibitor.

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   3. Benedict test is used to identify reducing sugar.
   4. Transfatty acids are injurious to health.