Download GTU B.Pharma 2018 Summer 5th Sem 2250006 Pharmacognosy Iii Question Paper

Download GTU (Gujarat Technological University) B.Pharma (Bachelor of Pharmacy) 2018 Summer 5th Sem 2250006 Pharmacognosy Iii Previous Question Paper

Seat No.: _____ Enrolment No. _____________
GUJARAT TECHNOLOGICAL UNIVERSITY
B. Pharm. - SEMESTER?5 ? EXAMINATION ? SUMMER -2018
Subject Code: 2250006 Date: 25/05/2018
Subject Name: Pharmacognosy-III
Time: 02:30 PM TO 05:30 PM
Total Marks: 80
Instructions:


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

Q.1 (a) Comment on following sentences:
06
1. Cascara bark is stored at least one year before its use.
2. Digoxin is more preferred to use than Digitoxin.
3. Bitter glycoside containing drugs should be taken before meal.

(b) What do you mean plant tissue culture (PTC)? Give the basic requirements 05
involve in the PTC & applications in Pharmacy.

(c) Detailed note on Cyanogenic glycosides & give Pharmaconosy of Linseed.
05



Q.2 (a) Define & classify the glycosides with suitable example. Draw flow chart of 06
general method for isolation of Glycoside.

(b) Discuss in detail about flavanoid glycosides & Pharmacognosy of Ruta 05
graveolens.

(c) What are the Saponin glycosides? Give short note on properties & classification 05
of saponins.



Q.3 (a) Enlist various tests for identification of saponin glycoside & give 06
Pharmacognosy of "Sugar Destroyer" plant.

(b) Differentiate: Chhota Gokhru & Bara Gokhru
05

(c) Write a detailed note on various type of culture used in Plant tissue culture.
05



Q.4 (a) Differentiate Between:
06
1. European Squill & Indian Squill
2. Jalbrahmi & Mandukparni

(b) Differentiate between: Cardienolides and Bufadienolides.
05

(c) What are Coumarin glycosides? Give biological source, family, chemical 05
constituents & therapeutical uses of drug known as Bavachi.



Q.5 (a) Write pharmacognosy of Digitalis with their allied species.
06

(b) What is Carbenoxolone? Give its chemistry & therapeutical uses.
05

(c) Explain chemical tests: i) Modified Borntrager's test (ii) Grignard's test
05



Q. 6 (a) Give Biological source, family, active constituents, properties and uses of
06
Ginseng and Mustard.

(b) Give Pharmacognosy of Gentian.
05

(c) Give the difference between Strophanthus kombe & Strophanthus gratus
05



Q.7 (a) Write a note on preparation of various species of Aloe.
06

(b) Give Biological source, family, chemical tests & uses of Keshudo & Bhilama.
05

(c) Give active constituents & therapeutic uses of Methi & Thevetia.
05
***************

---