Download OU B.Pharma 3-1 Year 2015 6051 Pharmacognosy Ii Question Paper

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Code No. 6051

FACULTY OF PHARMACY

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B. Pharmacy 3/4 I- Semester (Main) Examination, November 2015

Subject : Pharmacognosy - I

Time : 3 hours Max. Marks : 70

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

1. a) Write the systemic pharmacognostic study of Opium? 5
   

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   b) Write the chemical constituents, uses and adulterants of
   A) Nuxvomica B) Vinca C) Ephdra 9
   OR
   c) Describe the microscopical characters of 9
   i) Rauwolfia ii) Cinchona iii) Vasaka
   

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   d) Define alkaloids and write the classification with suitable examples. 5
2. a) Write the Biological source, chemistry, therapeutic uses and adulterants of
   Senna, Ashwagandha? 10
   b) Write the informative note on bitter glycosides. 4
   OR
   

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   c) What are cardiac glycosides, classify and write the chemistry, mechanism
   action of digitalis? 6
   d) Write a brief note on Indian Ginseng and Gymnema. 8
3. a) Describe the Isolation and estimation of quinine from cinchona. 6
   b) Write the chemical constituents and uses of
   

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   i) Artemisia i) Taxus 8
   OR
   c) Describe the estimation of sennosides from senna. 6
   d) What are Resins, classify with examples? 5
   e) Write the Biological source, chemical constituents of clove. 3

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4. a) Define Tissue culture? Write about sterilization technique applicable to plant
   tissue culture. 5
   b) Write the applications of plant tissue culture with suitable examples. 9
   OR
   c) Write a brief note on historical development of plant tissue culture technology. 6
   

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   d) Note the different culture techniques. Explain the process of immobilization
   technique with applications. 8
5. a) Write in detail quality control of Raw materials. 7
   b) Give the preparation of Aristavas and Ghritams. 7
   OR
   

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   c) Write the informative note on discovery of new drugs from natural source. 8
   d) Write about the status and practice of Herbal medicine in India. 6

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