Download OU M.Pharma Pharmacognosy 1st Sem 2018 1159PCI Phytochemistry Question Paper

Download OU (Osmania University) M.Pharma-Pharmacognosy (Master of Pharmacy) 1st Sem 2018 1159PCI Phytochemistry Previous Question Paper

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Code No. 1159/PCI
FACULTY OF PHARMACY
M. Pharmacy (Pharmacognosy) I-Semester (PCI) (Main) Examination, February 2018
Subject: Phytochemistry
Time: 3 Hrs Max. Marks: 75
Note: Answer any five questions. All questions carry equal marks.
1 (a) Write the chemistry, biosynthesis, mechanism of action and chemical tests for
Digitoxin.
(b) Write the chemistry and analogs of artemesin. 10+5
2 Write abt the chemistry of
(i) Quinine
(ii) Withanolides
(iii) Sennosides 5+5+5
3 (a) Define and write the selection and optimization of lead compnds in Drug
Discovery with suitable examples. 10+5
4 Discuss spectral characters to elucidate the chemical structure of Menthol. 15
5 Write the srce, chemical structure and method of isolation of
i) Quinine ii) Sennosides iii) Piperine. 5+5+5
6 Write a note
(i) Phases of clinical trials (7?)
(ii) Applications of HPTLC (7?)
7 Define and describe different types of extraction and extract techniques with advantages
and disadvantages of each technique. 15
8 Explain the principle, instrumentation, detectors and applications of HPTLC. 15
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