B.Pharmacy 2/4 II-Semester (Main) Examination, April 2017
Subject Pharmacognosy-I
Time 3 Hours Max. Marks: 70
Note: Answer all questions. All questions carry equal marks.
1 Define crude drug. Discuss the various methods of classification of crude
drugs.
Write a note on storage of crude drugs.
OR
Explain the endogenous factors causing variations in drug constituents.
What are plant hormones? Write their applications.
2 Discuss various methods of tracer studies.
Explain shikimic acid pathway in the biogenesis of various secondary
metabolites.
OR
Discuss the Biogenesis of various isoprenoid compounds.
Write a note on carbohydrate synthesis.
3 Discuss different types of evaluation of crude drugs.
Write a note on Adulteration.
OR
How do you determine moisture content and foreign organic matter in a crude
drug?
Write a brief note on drug deterioration by living and non-living factors.
4 Write Biological source, chemical constituents and uses of
Starch Tragacanth Bees Wax Amla (2.5x4)
What are Tannins? Classify them.
OR
Give the classification of Fixed aids and fats.
Write the Biological source, chemical constituents and uses of
Agar Isabgol Neem oil Carnauba wax
5 Write the pharmacognostic study of cotton.
Write short notes on Honey.
OR
Write the Biological sources, chemical constituents and uses of (2.5x4)
Silk Cod liver oil Musk Gelatin
Write about any one mineral origin drug.