Download GTU B.Pharma 2019 Summer 5th Sem 250006 Pharmacognosy Iv Question Paper

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Seat No.: Enrolment No.

GUJARAT TECHNOLOGICAL UNIVERSITY

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B.PHARM - SEMESTER- 5 EXAMINATION - SUMMER -2019
Subject Code: 250006 Date: 10-06-2019
Subject Name: Pharmacognosy - IV
Time: 02:30 PM TO 05:30 PM Total Marks: 80

Instructions:

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1. Attempt any five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Give the biogenesis of Morphine. (06)
(b) Describe biosynthetic pathway for Hyoscyamine (05)

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(c) Write identification tests for alkaloids (05)

Q.2 (a) Describe the life cycle of Ergot (06)
(b) Give morphological and microscopical characters of Quinazoline alkaloid containing drug. (05)
(c) Describe the processing of opium for market (05)

Q.3 (a) Describe morphological and microscopical characters of Cinchona. (06)

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(b) Give microscopical characters and chemical constituents of antihypertensive root drug (05)
(c) Write chemical constituents and uses of tropane alkaloid containing drug (05)

Q.4 (a) Differentiate the followings: (06)
1) Rauwolfia serpentina and R. potatorum 2) Strychnos nuxvomica & Strychnos potatorum
(b) Describe the pharmacognosy of an anticancer herb. (05)

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(c) Write a note on “chemistry of Ipecacuanha” (05)

Q.5 (a) Comment on followings: (06)
1. Meconic acid 2. Racemic mixture of dl- Hyoscyamine 3. Ergot is defatted before storage
(b) Describe in detail pharmacognosy of Steroidal alkaloid containing drug. (05)
(c) Write in detailed note on drug used in Gout. (05)

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Q. 6 (a) Compare the morphological characters of various varieties of Datura leaf. (06)
(b) Write Biological source, family, chemical composition and toxicity of Hyoscyamus (05)
(c) Explain the concept of stereochemistry with suitable examples of natural products. (05)

Q. 7 (a) Write a brief note on a technique used to study Biosynthetic pathways. (06)
(b) Write a note on alkaloidal amine containing drug (05)

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(c) Write a note on Lobelia. (05)