Download OU B.Pharma 3-1 Year 2017 4226 Pharmaconosy II Question Paper

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Code No. 4226

FACULTY

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B. Pharmacy 3/4 I Semester (Suppl.) Examination, May 2017

Subject : Pharmaconosy I

Time : 3 Hrs Max. Marks: 70

Note: Answer all questions. All questions carry equal marks.

1. (a) Describe the powder microscopical characters of Ephedra, dattura and vasaka. (6)
   

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   (b) Write sources, chemistry and use of Periwinkle and Deadly night shade. (8)
   OR
   (c) Write the general method of isolation and color reactions of alkaloids.
   (d) Write the chemical test, adulterant and distinguished character from adulterant for
   (i) Cinchona (ii) Rauwolfia (iii) Nuxvomica

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2. (a) Define and classify the glycosides.
   (b) Write chemical structure, use and specific chemical test for
   (i) Sennoside (ii) Dioxin (iii) Diosenin
   OR
   (c) Write the source, chemical constituents and uses of
   

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   (i) Gokharu (ii) Satavari (iii) Brahmi
   (d) Give an informative note on digitalis glycosides.
3. (a) Give the chemical structure, Chemical test, source and isolation of
   (i) Caffeine (ii) Quinine (iii) Sennosides
   OR
   

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   (b) Define and classify the resins.
   (c) Give the sources, chemical constituents and uses of
   (i) Gaultheria (ii) Artemisia (iii) Asafoetida (iv) Gugul
4. (a) Discuss the significance and applications of plant tissue culture. (4)
   (b) Classify the plant tissue culture techniques and discuss in detail about callus culture technique. (10)
   

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   OR
   (c) Write about : (4+5+5)
   (i) Organogenesis (ii) Biotransformation (iii) Immobilization technique
5. (a) List the Traditional systems of medicines practiced in India and write the principles of any two systems. (5)
   (b) Discuss the methods of various quality control measures in analysis of Herbal medicines. (9)
   

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   OR
   (c) Define and describe the preparation of : (9)
   (i) Arishtas (ii) Bhasmas (iii) Asavas
   (d) Discuss the importance of plant drugs in discovery of new drugs with suitable examples. (5)

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