Download RGUHS B.Pharm 2018 January 3rd Year 2637 Pharmacognosy And Phytochemistry Rs 4 Question Paper

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Time: Three Hours



Max. Marks: 70 Marks

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PHARMACOGNOSY & PHYTOCHEMISTRY

(RS - 4)

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Q.P. CODE: 2637

Your answers should be specific to the questions asked

Draw neat labeled diagrams wherever necessary

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LONG ESSAYS (Answer any Two)

2 x 10 = 20 Marks

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1.

What are alkaloids? Explain their general properties and mention their general chemical
tests and specific chemical tests for Quinine, Atropine and Caffeine.

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2.

Write in detail different chromatographic methods employed for isolation and purification of
phytoconstituents.

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3.

Describe the pharmacognosy of digitalis.

SHORT ESSAYS (Answer any Six)

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6 x 5 = 30 Marks

4.

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Quantitative microscopy

5.

Explain shikimic acid pathway.

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6.

Note on Ginseng

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7.

What are Amino alkaloids? Discuss Colchicum.

8.

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Explain in brief the analysis of clove oil.

9.

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Source, active principles, adulterants and uses of Arjuna

10.

Preliminary phytochemical screening of plant metabolism

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11.

Mention the biological source, chemical constituents specific tests and of Aloe.

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SHORT ANSWERS

10 x 2 = 20 Marks

12.

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Write the chemical nature and uses of and Carotenes.

13.

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Anti-inflammatory and anti-spasmodic agents of marine origin

14.

Chemical test for cyanogenetic glycosides

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15.

Source, chemical composition and uses of eucalyptus oil

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16.

Source and uses of Bahera

17.

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Structure and test for caffeine

18.

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Total Ash value

19.

Source and uses of Cochineal

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20.

Taxus

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21.

Palisade Ratio

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