FACULTY OF PHARMACY
M. Pharmacy (Pharmacognosy) I Semester (Main Backlog) Examination,
February 2019
Subject: Phytochemistry
Time: 3 Hours Max.Marks: 75
Note: Answer any five questions. All questions carry equal marks.
1 Explain the concept of Bioguided extraction technique.
Describe the Super critical extraction technique with advantage and disadvantages.
Explain the spectral characters of Menthol.
2 Write the applications of HPTLC, LCMS and GCMS.
Discuss the chemistry of Artemesin. 10+5
3 Give the sources, structures and isolation of Sennosides and piperine. 15
4 Discuss the role of herbs as a source of drugs in drug discovery process.
Explain the selection and optimization of lead compounds. 7+8
5 Define the extraction and types of extracts.
Write the principle of extraction and discuss the methods of various extraction
Techniques. 5+10
6 List the basic metabolic pathways and explain the shikmic acid pathway.
Define and classify the steroids. 10+5
7 Give an informative note on
Phases of clinical trials.
HPTLC 8+7
8 Describe the structural features and spectral characters of Nicotine, Citral and luteolin. 15