Download GTU B.Pharma 2018 Winter 5th Sem 250006 Pharmacognosy Iv Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Pharma (Bachelor of Pharmacy) 2018 Winter 5th Sem 250006 Pharmacognosy Iv Previous Question Paper

Seat No.: ________
Enrolment No.______________
GUJARAT TECHNOLOGICAL UNIVERSITY
B.PHARM ? SEMESTER ? 5- EXAMINATION ?WINTER - 2018

Subject Code: 250006
Date: 03/12/2018
Subject Name: Pharmacognosy - IV
Time: 10:30 AM TO 01:30 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) Give a short note on Tracer-technique and its importance in pharmacognosy.
06

(b) Explain Shikimic acid pathway for the biogenesis of alkaloids and amino acids.
05

(c) Give outline of the biosynthetic pathways of Atropine and Anthracene
05
derivatives.



Q.2 (a) What is alkaloid? Give chemical classification of alkaloids according to the
06
heterocyclic ring present in their structures, along with examples.

(b) Describe pharmacognostic and phytochemical profile of Nux vomica seed.
05

(c) Discuss isolation method and general qualitative phytochemical tests of
05
Alkaloids.



Q.3 (a) Explain the saprophytic reproduction of Ergot along with its life cycle.
06

(b) Give biological sources, family, chemical constituents and uses of any two
05
drugs containing volatile liquid alkaloid.

(c) Write a detailed pharmacognostic and phytochemical profile of any one anti-
05
cancer alkaloidal drug.


.

Q.4 (a) Discuss pharmacognosy, phytochemistry and pharmacology of the bark
06
containing anti-dysentic alkaloidal principles.

(b) Write the biological source, family, morphology, chemical constituents and
05
uses of anti-malarial alkaloidal drug.

(c) Give pharmacognostic note on Datura leaf.
05



Q.5 (a) Differentiate the following:
06
(i) Ephedra sinica and Ephedra equisetina
(ii) Egyptian Henbane and Indian Henbane
(iii) Indian Rauwolfia and African Rauwolfia

(b) Give pharmacognostic details of colchicum.
05
(c) Write the biological source, chemical constituents and uses of Veratrum and
05
Lobelia.



Q. 6 (a) Give phytochemical tests, used for identification of the following: (Any three)
06
(i) Tropane alkaloids (ii) Indole alkaloids (iii) Cinchona alkaloids
(iv) Purine alkaloids

(b) Write a pharmacognostic note on anti-hypertensive alkaloidal drug.
05

(c) Draw well labeled diagram of transverse section of Quinazoline alkaloid
05
containing drug.



Q.7 (a) Give biological source, chemical constituents, pharmacological actions of the
06
alkaloidal drug used in treatment of glaucoma.

(b) Elaborate the aspects of stereochemistry with suitable examples of natural
05
products.

(c) Write an assay on stereoisomerism of Alkaloids.
05

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