Download OU B.Pharma 3-1 Year 2016 6051 S Pharmaconosy Ii Question Paper

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Code No. 6051/S

FACULTY

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B. Pharmacy 3/4 I- Semester (Supplementary) Examination, April 2016

Subject : Pharmacognosy I

Time : 3 hrs Max. Marks : 70

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

1. 1. Describe the microscopy of Cinchona and Rauwolfia. 5+9

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   2. Write the chemistry and therapeutic properties of Vinca, Shankhapushpi and Punernava.

   OR

   1. Write a note on Isolation of alkaloids. 5+9
   2. Write the sources, chemical and therapeutic properties of Opium and Ipecac.

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2. 1. Discuss the chemistry of cardiac glycosides. 5+9
   2. Write the sources, chemical and therapeutic properties of Liquorice, Momordica and Ammi.

   OR

   1. Give the adulterants and distinguish characters for Senna and Digitalis. 5+9
   2. Write the sources, chemical and therapeutic properties of Psoralia, Gokharu and Brahmi.

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3. 1. Give the chemical structure and isolation of Quinine from cinchona and caffeine from tea. 8+6
   2. Give the sources and chemical constituents of Artemisia, Taxus and Podophyllum.

   OR

   1. Define and classify the resins with examples.

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   2. Discuss the chemical constituents and therapeutic properties of Turmeric, clove and capsicum. 5+9
4. 1. Write about:
      1. Surface sterilization
      2. Immobilization of culture
      3. Origanum

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      4+5+5

   OR

   1. Write the advantages of plant tissue culture.
   2. Give an informative note on embryo culture and biotransformation 5+9

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5. 1. Discuss the importance of plants in discovery of new drugs.
   2. Write a note on traditional systems of medicines practiced in India. 6+8

   OR

   1. Discuss the problem in standardization of Herbal medicines.
   2. Define and give the method of preparation of hritams, Asawas and Aristavas. 5+9

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