Download RTMNU B.Pharma 5th Semester 2017 Winter Pharmacognosy and Phytochemistry 3 Question Paper

NRJ/KW/17/4282

B. Pharm.

PHARMACOGNOSY AND PHYTOCHEMISTRY–III (Chemistry of Natural Products)

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Paper-4

Time: Three Hours]

[Maximum Marks : 80

N.B. :- (1) Question No. 1 is compulsory.

(2) Attempt any four questions out of remaining.

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(3) Draw neat labelled diagram wherever necessary.

1. Solve any five questions of the following : 5×4=20
   1. Compare and contrast Sumatra benzoin and Siam benzoin.
   2. Give theory of mass transfer.
   3. Define resin. Give its physical and chemical properties.
   4. Give principle and application of ion-exchange chromatography.

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   5. Write a note on maceration.
   6. Give biological source, chemical constituent, uses and identification test of Asafoetida.
2. Define chromatography and enlist types of chromatography. Explain in detail thin layer chromatography with its application. 15
3. 1. Write a note on super critical fluid extraction. 8

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   2. Write detail pharmacognostic account on cinnamon 7
4. 1. Write structure elucidation of camphor. 8
   2. Write isolation, purification and profile of camphor. 7

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5. Give biological source, chemical constituents, uses and chemical test of any three of the following : 5×3=15
   1. Tulsi
   2. Turmeric
   3. Tolu Balsam
   4. Colophony
   5. Coriander.

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6. 1. Give classification of volatile oils with example. Add a note on general properties of volatile oil. 8
   2. Give general microscopical characteristics of Umbelliferous fruits with examples. 7
7. Write short notes on (any three) : 5×3=15
   1. Phenolic ether containing volatile oil

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   2. Biosynthetic pathway of volatile oils
   3. Paper chromatography
   4. Ecuelle method
   5. Guggul.

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