Download RTMNU B.Pharma 7th Semester 2016 Winter Pharmacognosy and Phytochemistry 5 (PhytopharmaceuticalsHerbal Technology) Question Paper

B. Pharm. Seventh Semester (C.B.S.) Examination

PHARMACOGNOSY AND PHYTOCHEMISTRY-V

(Phyto-pharmaceuticals/Herbal Technology)

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Time : Three Hours]

N.B. :- (1) Question No. 1 is compulsory.
(2) Attempt any FOUR questions from the remaining.
(3) Draw neat labeled diagram wherever necessary.

1. Solve any five of the following :
   1. Describe various antidiabetic screening methods for herbal drugs and formulations.

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   2. Give the pharmacognostic accounts on Passiflora incarnata.
   3. Define flavonoids and classify them with suitable examples of each class.
   4. Give the general chemical test of alkaloids and its therapeutic uses.
   5. Give the biological source, chemical constituents, chemical test and uses of Kurchi Bark.
   6. Write a short note on Green Tea.

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   7. Give the biological source, chemical constituents, chemical test and uses of Nux Vomica Seed.
2. Define alkaloids. Give its classification with suitable examples of each class. Write an account on general methods of extraction of alkaloids.
3. Give the pharmacognostic account on opium.
4. Describe the various methods of extraction, isolation and estimation of Atropine.

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5. Describe the various drug interactions of Ginger and Ginseng.
6. What is standardization ? Enlist the various methods for standardization of herbal drugs as per WHO Guidelines. Describe in detail morphological and microscopical methods of evaluation of crude drugs. Write note on Licorice.
7. What is screening of herbal drugs and formulation ? Describe in detail various screening methods for anti-oxidant studies of herbal drugs. Give the biological source, chemical constituents, chemical tests and uses of Gingko.
8. Describe the pharmacognostic accounts on Ergot. Describe the various methods of extraction, isolation and estimation of Atropine.
9. Write short notes on any three :
   1. Biosynthetic pathways of tropane alkaloids

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   2. Patenting of Herbal drugs
   3. Problems in discovering new drugs from higher plants
   4. Herbal drug interaction
   5. Pharmacognosy of Vinca.

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