OU B.Pharm Question Papers Last 10 Years 2010-2020 || Osmania University
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Code No. 7220/ S
FACULTY OF PHARMACY
B. Pharmacy II Year I-Semester (Suppl.) Examination, April 2014
Subject : Pharmacognosy - I
Time: 3 Hours Max.Marks: 70
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Note: Answer all questions. All questions carry equal marks.
- (a) Write the colour reactions and general methods of isolation of alkaloids.
(b) Give the biological source, chemical constituents and uses
a) Belladona b) Cinchona c) Opium
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(c) Write the chemistry and therapeutic properties of Rouwolfia and Vinca.
(d) With neat labelled diagram describe the morphological and microscopical characters of Nuxvomica. - (a) Write the sources, chemistry and uses of any two drugs containing glucosides.
(b) Give an informative note on cardiac glycosides.
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(c) Write the chemical test for (i) Digitaxose (b) Sennosides.
(d) Write the sources, chemistry and therapeutic importance of Brahmi and Ashwagandha. - (a) Write the biological source, chemistry and uses of Artemisia.
(b) Describe the morphological and miscroscopical characters of Fennel.
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(c) Describe the isolation and estimation of sennosides from senna.
(d) Write the chemical constituents and uses of i) Taxus, ii) Podophyllen, iii) Asafoetida iv) clove. - (a) What is micropropagation and classify the different techniques with significance of each technique.
(b) Give an informative note on Biotransformation and Immobilization technique.
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(c) Write about:
i) Process of organogenesis.
ii) Surface sterilization techniques
iii) Mineral supplements used in culture media. - (a) Narrate the traditional systems of medicines developed in India and give their importance.
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(b) Describe the method of preparation of i) Ghritams ii) Aswas iii) Bhasmas.
OR
(c) Give an informative note on discovery of new drugs from natural sources.
(d) What are leaf constants and ash value? Give their importance.
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