Download RTMNU B.Pharma 6th Semester 2017 Summer Pharmacognosy and Phytochemistry 4 Question Paper

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

PHARMACOGNOSY AND PHYTOCHEMISTRY—IV

(Recent Advances in Phytochemistry) Paper-4

Time: Three Hours] [Maximum Marks: 80

N.B. :— (1) Question No. 1 is compulsory.

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(2) Solve any four questions from remaining.

(3) Draw neat labelled diagram wherever necessary.

1. Solve any five : 4×5=20
   1. Write isolation method of glycosides.
   2. Write a note on bitter glycosides.
   3. Give biological source, chemical constituents and uses of Bahera.

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   4. Write chemical test for identification of different types of Aloe.
   5. Write short note on Shatavari.
   6. Give chemical test for identification of tannins.
   7. Write a note on rhubarb.

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2. Write extraction, isolation and purification of Bacosides and Hesperidin. 15
3. 1. What are tannins ? Give classification and chemistry of tannins. 8
   2. Write pharmacognostic account on Black Catechu. 7
4. Write the procedure for isolation, purification and therapeutic uses of Diosgenin and Andrographolide. 15

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5. Define and classify glycosides with examples. Give complete pharmacognostic account on Senna. 15
6. 1. Write biogenetic pathway for cardiac glycosides. 8
   2. Give complete pharmacognostic account on Digitalis. 7
7. Write short notes on (any three) : 5×3=15
   1. Spectral studies on Glycyrrhizin

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   2. Flavonoid glycosides
   3. Myrobalan
   4. Brahmi.

NXO-20316

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