Download VNSGU MBBS First Year 2016 July DZ 4006 O Biochemistry Paper II 10 Question Paper

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DZ-4006-0

First Year M. B. B. S. Examination

June / July 2016

Biochemistry: Paper II

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Time: 10 Minutes] [Total Marks: 10

OBJECTIVE QUESTIONS

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Name of the Examination: F.Y. M. B. B. S.

Name of the Subject: BIOCHEMISTRY: PAPER - 2

Subject Code No.: 4 0 0 6 Section No. (1, 2.....): Nil

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5 MCQs: 1×10=10

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1. Which of the following amino acid is purely ketogenic ?
   1. Proline
   2. Leucine
   3. Glycine
   4. Valine

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2. All of the following co-enzymes participate in hydrogen ion and electron transport EXCEPT
   1. FMN
   2. NAD+
   3. NADP
   4. PLP

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3. In competitive inhibition of enzyme
   1. Km and Vmax both decrease
   2. Km decreases and Vmax unchanged
   3. Km increases and Vmax unchanged
   4. Km increases and Vmax decreases

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4. Which of the following amino acid doesn't show optical isomerism?
   1. Serine
   2. Glycine
   3. Glutamine
   4. Proline

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5. Lesch-Nyhan Syndrome is caused by deficiency of which enzyme ?
   1. Xanthine oxidoreductase
   2. IMP dehydrogenase
   3. Adenine phosphoribosyltransferase
   4. Hypoxanthine guanine phosphoribosyltransferase

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6. Gamma glutamyl cysteinyl glycine is otherwise known as
   1. Oxytocin
   2. Glutathione
   3. Angiotensin
   4. Bradykinin

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7. The source of nitrogen atoms in urea are ammonia and
   1. Alanine
   2. Glutamate
   3. Aspartate
   4. Arginine

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8. Chaperone proteins play important role in
   1. Protein folding
   2. Protein misfolding
   3. Protein synthesis
   4. Denaturation

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9. Which of following hemoglobin has least affinity with 2-3 Biphosoglycerate ?
   1. HbA
   2. HbF
   3. HbAl
   4. HBA2

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10. All of the following are phase I detoxification reactions EXCEPT
    1. Oxidation
    2. Reduction
    3. Conjugation
    4. Hydrolysis.

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