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Code No: B134103
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R13
SET - 1
IV B. Pharmacy I Semester Advanced Supplementary Examinations, February - 2020
Time: 3 hours
CHEMISTRY OF NATURAL PRODUCTS
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Note: 1. Question paper consists of two parts (Part-A and Part-B)
2. Answering the question in Part-A is Compulsory
3. Answer any THREE Questions from Part-B
Max. Marks: 70
PART-A
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- a) What are carbohydrates? Discuss their general properties. (4M)
- b) Write chemical tests for identification of proteins. (3M)
- c) Write in brief on chemical constitution of fixed oils. (4M)
- d) Write isoprene and modified isoprene rule with examples. (4M)
- e) Write general tests for identification of alkaloids. (3M)
- f) Write structure and chemical test for (i) uric acid (ii) phenyl alanine (4M)
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PART-B
- a) Write a note on method of isolation and uses of starch. (6M)
- b) Classify proteins with examples. Explain methods used for amino acid sequencing. (10M)
- a) Write about chemical tests for steroids (6M)
- b) Write short notes on (10M)
- (i) Saponification value
- (ii) biuret test
- a) Discuss the structure and synthesis of caffeine, theophylline. (8M)
- b) Write about general reactions and degradation of proteins. (8M)
- a) Discuss the methods used for isolation of terpenes (6M)
- b) Write in detail on chemistry of camphor. (10M)
- Explain the chemistry of (16M)
- (i) Ephedrine
- (ii) Papaverine
- a) Compare the structures of cholesterol and ergosterol. (4M)
- b) Write in detail on chemistry and biological significance of thiamine. (12M)
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