Download OU (Osmania University) Pharm D (Doctor of Pharmacy) 2nd Year (2nd Semester) 2016 6121 Pharmacognosy And Phytopharmaceuticals Previous Question Paper
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Code No. 6121
FACULTY OF PHARMACY
Pharm. D II-Year (6 YDC) (Main & Backlog) Examination, August 2016
Subject : Pharmacognosy and Phytopharmaceuticals
Time : 3 Hrs Max. Marks: 70
Note: Answer all questions from Part - A and answer any five questions from Part-B.
PART ? A (10 x 2 = 20 Marks)
1 Define the terms :
(a) Crude drug (b) Substitutes
2 List t different types of vegetative propagation methods w ith examples.
3 Write the biological srce, chemical constituents of pyrethrum.
4 What are suponins? Give two identification tests.
5 With neat diagrams, give the powder characters of quassia.
6 Define the terms: (a) Zwitter ion (b) Swelling index
7 How do y distinguish Born tragger?s and modified born tragger?s test?
8 Define and classify proteins.
9 Write two identification tests for guar gum and sterculia.
10 List essential amino acids and write their structures.
PART ? B (5 x 10 = 50 Marks)
11 (a) Give a brief accnt on cell inclusions with examples. (5)
(b) List t different systems of classification for crude drugs. Explain in
indetail pharmacological classification with examples. (5)
12 (a) Discuss briefly the flavanoids with examples. (5)
(b) Write abt different methods of crop improvement. Explain any one method with
examples. (5)
13 (a) Define acid value. Explain the principle involved and method to determine it. (5)
(b) Write a note on importance of indole alkaloids with examples. (5)
14 (a) What are different processing parameters for the preparation of crude drugs to
market. (5)
(b) Write abt ?lignin and pectin?? as cell wall components. (5)
15 With a neat labelled diagram write the histological characters for
(i) clove (ii) podophyllum (5+5)
16 (a) Explain the structure of protein and list t different methods for its determination
and explain any one in detail. (6)
(b) Define drug adulteration. Explain how to prevent it. (4)
17 (a) Classify natural fibres. Give the biological srces, chemical constituents and
uses of hemp. (5)
(b) Write abt purine alkaloids with examples. (5)
18 Write the biological srce, chemical constituents and uses of : (4+3+3)
(a) Opium (b) Pale catehu (iii) Benzoin
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This post was last modified on 04 March 2020