Download RGUHS B.Pharm 2020 3rd Year 1963 Pharmacognosy And Phytochemistry Revised Scheme 2 Question Paper

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Rajiv Gandhi University of Health Sciences, Karnataka

III Year B.Pharm Degree Examination — 21-Jan-2020

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Time: Three Hours Max. Marks: 80 Marks

PHARMACOGNOSY AND PHYTOCHEMISTRY

(Revised Scheme - 2)

Q.P. CODE: 1963

Your answers should be specific to the questions asked.

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Draw neat labeled diagrams wherever necessary.

LONG ESSAYS (Answer any Two) 2 x 10 = 20 Marks

1. Define alkaloids. Classify with examples and give method of extraction and chemical tests.
2. Describe various chromatographic methods used for purification of phytoconstituents.
3. Describe various spectroscopical methods of evaluation.

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SHORT ESSAYS (Answer any Eight) 8 x 5 = 40 Marks

4. Isoprenoid pathway.
5. Biosynthesis of Tropane alkaloids.
6. Chemistry of Anthracene Glycosides.
7. Source, diagnostic characters, active constituents, uses and adulterants of Cinchona.

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8. Pharmacognosy of Digitalis.
9. Structure of Morphine, Diosgenin, Quinine, Fenchone and Eugenol.
10. Source, active constituents and uses of Clove and Liquorice.
11. Source, Chemical tests and uses for aloes.
12. Biological evaluation of crude drugs.

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13. Write a note on Solanaceous drugs.

SHORT ANSWERS 10 x 2 = 20 Marks

14. Opium alkaloids
15. Classification of Resins.
16. Ginseng.

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17. Diagnostic characters of Senna.
18. Isothiocyanate glycosides.
19. Capsicum.
20. Keller-Killiani test.
21. Source and uses of Podophyllum.

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22. Define Tracer technique.
23. Ash values.

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