FACULTY OF PHARMACY
B. Pharmacy 3/4 I Semester (Main) Examination, November 2016
Subject: Pharmacognosy II
Time: 3 Hours Max.Marks: 70
Note: Answer all questions. All questions carry equal marks.
1 What are alkaloids. Classify them with suitable examples. 5
Write the Biological sources microscopical features and adulterants of
Nuxvomica ii) Cinchona iii) Colchium 9
OR
Describe opium under suitable pharmacognostic scheme. 8
Write the source, chemical structures of active constituents and use of
Belladona ii) Ephedra iii) Rauwolfia 6
2 What are cardiac glycosides. Classify and write the chemistry and mechanism of
action of digitalis 8
Strophanthin ii) Barbaloin 2x3=6
OR
Write the biological source, a test for identification and uses of
Glycyrrhizic acid ii) Strophanthoside 3x2=6
Describe the pharmacognostic study of Indian senna. 8
3 Write the isolation and estimation of quinine from cinchona. 6
Write a note on Taxus species. 4
Write the biological source, chemical nature and uses of 4
Fennel ii) Cinnamon
OR
Write the chemistry, isolation and estimation of rutin, hesperidin from citrus fruits. 10
What are volatile oils, classify with example. 4
4 Define callus culture, cell suspension culture and give advantages of suspension
callus culture. 7
Discuss the importance of macronutrients and growth regulators in plant tissue
culture media. 7
OR
Discuss the application of plant tissue culture in production of secondary
metabolites. 7
Write about immobilization and its application in plant tissue culture. 7
5 Give the preparation of Lehyas, Aristaas. 7
Write about the status and practice of herbal medicine in India. 7
OR
Discuss about types of herbal formulation and products. 10
Give a note on discovery of new drugs from natural source. 4