problem 1) Give pharmacognostic account of Rauwolfia root.

problem 2) Plant biotechnology is promising source for biomedicines and progress in phytomedicines. Justify.

problem 3) describe and classify alkaloids. Give function of alkaloids in plants.

problem 4) describe the procedure and significance of following chemical tests:

a) Vitali-Morin test

b) Murexide test

c) Wagner’s test

d) Libbermann’s test

e) Van-Urk’s reagent.

problem 5) prepare brief notes on:

a) Successive solvent extraction

b) Applications of TLC and HPTLC to herbal drugs/products

c) Biosynthesis of tropane alkaloids

d) Preliminary phytochemical screening.

problem 6) Give chemistry and classification of fixed oils with exs.

problem 7) How will you detect adulteration of fixed oils?

problem 8) What are tannins? Distinguish between Pale catechu and Black Catechu.

problem 9) Give a detailed account of Ginkgo-biloba.

problem 10) prepare about General features of Umbelliferous drugs. Give chemical constituents and uses of Dill fruit.

problem 11) prepare detail account of allergens causing dermatitis.

problem 12) prepare brief notes on:

a) Antimicrobial marine drugs

b) Adulterants of clove

c) Role of various plants as pesticides

d) Tulsi.