Download JNTUK B.Pharm 4-1 2019 B134103 Chemistry Of Natural Products Question Paper

Code No: B134103

R13

SET - 1

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IV B. Pharmacy I Semester Supplementary Examinations, Oct/Nov - 2019

CHEMISTRY OF NATURAL PRODUCTS

Time: 3 hours

Max. Marks: 70

Note: 1. Question paper consists of two parts (Part-A and Part-B)

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2. Answering the question in Part-A is Compulsory

3. Answer any THREE Questions from Part-B

PART -A

1. a) Write in brief on starch. (4M)
2. b) Write chemical tests for identification of amino acids. (4M)

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3. c) What are nucleic acids? Write their structures. (3M)
4. d) Write in brief on extraction of terpenes. (4M)
5. e) Classify alkaloids with examples. (3M)
6. f) Write structure and chemical test for (4M)
   1. cholesterol
   2. caffeine

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PART -B

2. a) Define and classify carbohydrates with examples. Write a note on stereochemistry of glucose. (8M)
   b) Write in detail on methods of preparation of amino acids. (8M)
3. Write in detail on chemistry of Oxytocin. (16M)

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4. a) Discuss the structure and synthesis of uric acid. (8M)
   b) Write methods used for qualitative evaluation of oils. (8M)
5. a) Classify terpenes with examples. (4M)
   b) Write in detail on chemistry of menthol. (12M)
6. Explain the chemistry of (16M)
   1. Nicotine

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   2. Atropine
7. a) Compare the structures of diosgenin and hecogenin. (4M)
   b) Write in detail on chemistry and biological significance of riboflavin. (12M)

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