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Thursday, December 9, 2010

JNTU III-I B-PHARM PHARMACOGNOSY-II QUESTION PAPER, NOVEMBER 2010

CODE NO: R7403
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY, HYDERABAD
III B.PHARMACY I SEMESTER EXAMINATIONS NOVEMBER 2010
PHARMACOGNOSY-II
TIME : 3 HOURS MAX.MARKS: 80
Answer any FIVE questions.
All questions carry equal marks.
----

1.a) Different aloe gel and aloes.
b) Write the detailed pharmacognostic study of Aloe.
2. What is gradient pH technique? Where do you apply? Give general scheme for
extraction of alkaloids.
3.a) What are hydrolysable tannins. Give examples.
b) Write biological source, morphological features chemical constituents and uses of
i) Arjuna ii) Ashoka iii) Kattha
4. Write B.S and explain macroscopical characteristics with neat labelled diagram of
the following drugs.
a) Podophyllum b) Asafoetida c) Benzoin
5.a) Give a complete profile of any two digestive enzymes.
b) What are enzymes? And give brief notes on enzymes with examples.
6.a) Write notes on biogenesis of secondary metabolites by explaining with an
example.
b) What are the general techniques to study the basic metabolic pathways. write with
an example.
7. Name the botanical source and active constituents and uses of any two each of
anthraquinone dyes and Napthaquinone dyes.
8.a) What are mineral drugs? How they are significant as pharmaceutical aids.
b) Write the source, description, Standards and uses of
i) Bentonite ii) Talc ii) Kaolin











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