Download OU Pharm D Question Paper 2nd Year 2017 4259 Pharmacognosy And Phytopharmaceuticals

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Code No. 4259

FACULTY OF PHARMACY

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Pharm. D (6 YDC) II-Year (Main) Examination, July 2017

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)

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1. What are ergastic substances? Give examples.
2. Write about drying of crude drugs.
3. Define the terms : (a) Resin (b) Denaturation
4. Give the morphological classification of crude drugs with examples.
5. Explain the structure of calcium oxalate crystals with examples.

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6. Explain the term : (a) Polyploidy (b) Iodine value
7. Define and classify lipids with examples.
8. With the help of neat diagrams, give the powder characters of liquorice.
9. Mention the biological source and uses of sterculia.
10. Write about: (a) Keller-Killiani test (b) Super critical fluid extraction method

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PART - B (5 x 10 = 50 Marks)

11. (a) What are the different methods of classification of crude drugs? Write briefly about the chemical classification with examples.
    (b) Explain the application of plant growth hormones.
12. (a) Define and mention the different methods of cultivation of medicinal plants. Mention the merits and demerits.
    (b) Discuss scope of pharmacognosy.

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13. (a) Explain how the mutation technique is helpful to improve the yield of medicinal compounds.
    (b) Explain the structure of plant cell wall.
14. Write the pharmacognostic scheme of : (a) Ginger (b) Ergot
15. (a) Explain different methods of adulteration of crude drugs with examples.
    (b) Write a note on natural pesticides.

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16. With the help of neat labeled diagram explain the microscopial characters:
    (a) Ephedra
    (b) Datura
17. (a) Describe the method of preparation of cotton.
    (b) What are different chemical classes of secondary metabolites? Write a short note on Tannins.

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18. Discuss the biological source, chemical constituents and uses :
    (a) Guggal (b) Ashwagandha (c) Gelatin