Download OU Pharm D Question Paper 2nd Year 2018 1109 Pharmacognosy And Phytopharmaceuticals

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Code No. 1109

FACULTY OF PHARMACY

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Pharm. D (6 YDC) II-Year (Instant) Examination, March 2018

Subject : Pharmacognosy and Phytopharmaceuticals

Time : 3 Hrs Max. Marks: 70

Note: Answer all questions from Part — A, answer any five questions from Part-B.

PART - A (10 x 2 = 20 Marks)

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1. Define the term (a) Pharmacognosy (b) Substitute
2. Write about morphological classification with examples.
3. Differentiate fixed oil and volatile oil.
4. Explain the cell wall structure.
5. Write microscopical powder characters of senna.

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6. Explain the isolation methods of resins.
7. Write about :
   (a) Van-Urk’s test
   (b) Salkowski test
8. Define saponification value and give its significance.

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9. What are cyanogenetic glycosides? How do you identify them?
10. Write the biological source and chemical constituents of sterculia gum.

PART - B (5 x 10 = 50 Marks)

11. Explain different methods of cultivation of crude drugs with their merits and demerits. (10)
12. (a) What are secondary metabolites? Give examples. (3)
    

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    (b) Write a note on glycosides. (7)
13. (a) Classify natural pesticides with examples. (4)
    (b) Write the biological source, chemical constituents and uses of pyrethrum and Neem. (3+3)
14. (a) Explain different extraction methods of simple lipids. (5)
    (b) Write a note on drying oils with examples. (5)

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15. Write pharmacognostic scheme of (2x5)
    (a) Rauwolfia
    (b) Cardamom
16. (a) Define and classify tannins with examples. Write different characteristics tests of tannins. (6)
    (b) write the biological source and chemical constituents of (4)
    

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    (i) Benzoin (ii) Spermaceti
17. Discuss protein structure. How do you determine it? (10)
18. (a) Write a note on plant fibres used in surgical dressings. (5)
    (b) Explain the different methods of adulteration of crude drugs with examples and how do you prevent it? (5)

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