Download GTU B.Pharma 2019 Winter 8th Sem 2280005 Pharmacognosy Vi Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
B.PHARM - SEMESTER- 8 EXAMINATION — WINTER -2019
Subject Code: 2280005 Date: 25-11-2019
Subject Name: Pharmacognosy-VI
Time: 02:30 PM TO 05:30 PM Total Marks: 80

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Instructions:

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

1. (a) Mention natural sources for Sennosides. Describe a suitable method for isolation of Sennosides. 06

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2. (b) Enumerate different methods for estimation of Diosgenin. Describe any one method for estimation of Diosgenin. 05
3. (c) Name different herbs and their active constituents which are useful as antidiabetic agent. 05

1. (a) What is quality management system? Write a note on principles of ISO 9000 standards. 06
2. (b) Write a note on super critical fluid extraction for herbs. 05
3. (c) Write a note on scope of herbal drug industries with respect to Indian market. 05

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1. (a) Define standardization. Mention different parameter for standardization of herbal extract. Describe any one in details. 06
2. (b) Discus the major sources of Reserpine and its method of isolation. 05
3. (c) Write a note on Aswagandha; emphasizing on its chemical constituents and uses. 05

1. (a) Mention natural sources for menthol. Discuss its method of isolation and uses in pharmacy. 06
2. (b) What is phyto-pharmacovigilance? Write a note on its need and objectives. 05

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3. (c) Describe method for preparation of Amla and Garlic extracts. 05

1. (a) Name the different herbs and their active constituents, which are useful as memory enhancer. 06
2. (b) Mention natural sources, method for isolation and estimation for caffeine. 05
3. (c) State the major sources of Curcumin and discuss its importance. 05

1. (a) Write the isolation method of B-carotene in detail. 06

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2. (b) Describe a suitable method for isolation of penicillin. 05
3. (c) Describe a suitable method for estimation and uses of Glycyrrhetinic acid. 05

1. (a) Discuss the natural sources, method of isolation and uses of Rutin. 06
2. (b) Name the different herbs and their active constitutes, which are useful as anticancer. 05
3. (c) Explain the method of isolation and uses of Quinine. 05

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