Download B.Pharm 3rd Year 2018 February 564261 Pharmacognosy And Phytochemistry Question Paper

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B.PHARM. DEGREE EXAMINATION

THIRD YEAR

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PAPER I - PHARMACOGNOSY AND PHYTOCHEMISTRY

Time: Three hours Maximum: 100 Marks

I. Elaborate on: (2x20=40)

1. Explain in detail the sources, cultivation, collection, microscopy, constituents, uses substitutes and adulterants of Cinchona.
2. a) Define pharmacognosy, enumerate the present status and future scope of pharmacognosy.
   

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   b) How crude drugs are processed and stored with few examples.

II. Write notes on: (8x5=40)

1. Digitalis.
2. Sutures and ligatures.
3. Explain any one alkaloidal amine crude drug.

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4. Liquorice.
5. Discuss the factors influencing cultivation of medicinal plants.
6. Isabgol.
7. Balsamic resinous drug.
8. Microscopical evaluation.

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III. Short answers on: (10x2=20)

1. Define organized and unorganized crude drug.
2. Two important diagnostic features of clove.
3. Test for reducing sugar
4. Constituents of opium.

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5. List out any two indole alkaloid crude drugs and their source.
6. Two differences between pale and black catechu.
7. Source and constituents of silk and wool.
8. Chrysanthemum cinarariifolium — common name of the crude drug and its uses.
9. Structure of Ephedrine.

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10. How is oxidized cellulose prepared?