D.Pharm I (First) Year Annual Examination 2015-16
Course Code:DPH103 Paper ID: 0691303
Pharmacognosy
Time: 3 Hours Max. Marks: 80 Max Marks: 75
Note: Attempt any six questions in all. Q. No. 1 is compulsory.
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1. Answer any five of the following (limit your answer to 50 words). (4x5=20)
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a) What are resins? Give its types along with suitable examples.
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b) Give identification tests for hydrolysable tannins.
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c) Give classification of glycosides giving suitable examples.
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d) How adulteration differs from substituent? Give any three examples of non deliberate type drug adulteration.
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e) Differentiate between lemon oil and lemon grass oil, giving their biological source, family, active chemical constituents and uses.
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f) Differentiate between pale and black catechu.
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g) Give the category, biological source, chemical constituents and uses of hyoscyamus.
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h) Give a brief account on “Yeast”.
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2. Write short notes on the following: (6+6)
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a) Significance of Pharmacopoeial Standards
b) Scope of Pharmacognosy
3. Discuss chamotaxonomical and pharmacological systems of crude drug classification with suitable examples, their merits and demerits. (12)
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4. What is drug adulteration? Give a detailed account on Physical and Microscopical evaluation of drugs. (12)
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5. Give complete pharmacognosy of Rauwolfia. (12)
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6. a) Discuss microscopic features of ginger along with a well labelled diagram. (6)
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b) Write official source, preparation and identification tests of silk and cotton and wool. (6)
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7. What are different methods of extraction of volatile oils? Give identification tests and therapeutic uses of tannins. (12)
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8. Give official source, chemical constituents and uses of any four of the following: (3x4=12)
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a) Punarnava
b) Aconite
c) Amla
d) Ajowan
e) Belladona