Download OU Pharm D Question Paper 2nd Year 2016 6121 Pharmacognosy And Phytopharmaceuticals

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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.

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PART - A (10 x 2 = 20 Marks)

1. Define the terms :
   (a) Crude drug (b) Substitutes
2. List the different types of vegetative propagation methods with examples.
3. Write the biological source, chemical constituents of pyrethrum.

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4. What are saponins? 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 you distinguish Born traggers and modified born traggers test?
8. Define and classify proteins.

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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)

1. (a) Give a brief account on cell inclusions with examples. (5)
   (b) List the different systems of classification for crude drugs. Explain in detail pharmacological classification with examples. (5)

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2. (a) Discuss briefly the flavanoids with examples. (5)
   (b) Write about different methods of crop improvement. Explain any one method with examples. (5)
3. (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)
4. (a) What are different processing parameters for the preparation of crude drugs to market. (5)
   

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   (b) Write about “lignin and pectin’as cell wall components. (5)
5. With a neat labelled diagram write the histological characters for
   (i) clove (ii) podophyllum (5+5)
6. (a) Explain the structure of protein and list the different methods for its determination and explain any one in detail. (6)
   (b) Define drug adulteration. Explain how to prevent it. (4)

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7. (a) Classify natural fibres. Give the biological sources, chemical constituents and uses of hemp. (5)
   (b) Write about purine alkaloids with examples. (5)
8. Write the biological source, chemical constituents and uses of : (4+3+3)
   (a) Opium (b) Pale catechu (iii) Benzoin

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