Jawaharlal Nehru Technological University Hyderabad 2009-1st Sem B.Pharm Jntu iii b pharmacy ester, 09 pharmacognosy-ii - Question Paper

JNTU III B PHARMACY I SEMESTER,NOV 09 PHARMACOGNOSY-II

1. a> elaborate aloes? write about various varieties of aloes with their description
and identification tests.
b> provide powdered characteristics of digitalis with neat tagged diagram.

2. Write detailed pharmacognostic study of any 2 indole alkaloids.

3. a> elaborate tannins? provide their properties and classification with suitable
examples of natural drugs.

b> provide biological source, active constituents and uses of
i> Myrobalan
ii> Black catechu

4. explain the detailed pharmacognostic study of any 2 resins showing expectorant
activity
5. a> Write about source, properties and uses of amylase and panceratin.
b> Write notes on any 2 proteolytic enzymes.

6. a> elaborate secondary metabolites? discuss with an example.
b> provide 3 examples of alkaloids derived from lysin with their
chemicalstructure
c> Write about the production of amino acids from shikimic acid pathway.

7. a> Name natural colorants of pharmaceutical intrests and discuss about any 2 of
them.
b> Write notes on turmeric, tyriian purple and Red beet root.

8. describe the term excipient.Describe the pharmaceutical excipients from mineral
origin.
What is difference ranging from light kaolin and heavy kaolin.

Earning:   Approval pending.