Download OU M.Pharma Pharmacognosy 1st Sem 2019 13158 PCI Phytochemistry Question Paper

Download OU (Osmania University) M.Pharma-Pharmacognosy (Master of Pharmacy) 1st Sem 2019 13158 PCI Phytochemistry Previous Question Paper

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Code No. 13158 / PCI
M. Pharmacy (Pharmacognosy) I ? Semester (PCI) (Main & Backlog) Examination,
February 2019
Subject: Phytochemistry
Time: 3 Hrs Max.Marks: 75
Note: Answer any five questions. All questions carry equal marks.
1 a) Explain the concept of Bioguided extraction technique.
b) Describe the Super critical extraction technique with advantage and disadvantages.
c) Explain the spectral characters of Menthol. 5+5+5
2 a) Write the applications of HPTLC, LCMS and GCMS.
b) Discuss the chemistry of Artemesin. 10+5
3 Give the srces, structures and isolation of Sennosides and piperine. 15
4 a) Discuss the role of herbs as a srce of drugs in drug discovery process.
b) Explain the selection and optimization of lead compnds. 7+8
5 a) Define the extraction and types of extracts.
b) Write the principle of extraction and discuss the methods of varis extraction
Techniques. 5+10
6 a) List the basic metabolic pathways and explain the shikmic acid pathway.
b) Define and classify the steroids. 10+5
7 Give an informative note on
a) Phases of clinical trials.
b) HPTLC 8+7
8 Describe the structural features and spectral characters of Nicotine, Citral and luteolin. 15
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This post was last modified on 19 July 2020