FACULTY OF PHARMACY
Pharm. D YDC) II-Year (Instant) Examination, March 2018
Subject Pharmacognosy and Phytopharmaceuticals
Time 3 Hours Max. Marks: 70
Note: Answer all questions from Part answer any five questions from Part-B.
PART A (10 x 2 20 Marks)
1 Define the term Pharmacognosy Substitute
2 Write about morphological classification with examples.
3 Differentiate fixed oil and volatile oil.
4 Explain the cell wall structure.
5 Write microscopical powder characters of senna.
6 Explain the isolation methods of resins.
7 Write about
Van-Urk's test
Salkowski test
8 Define saponification value and give its significance.
9 What are cyanogenetic glycosides? How do you identify them?
10 Write the biological source and chemical constituents of sterculia gum.
PART B x 10 50 Marks)
11 Explain different methods of cultivation of crude drugs with their merits and demerits.
12 What are secondary metabolites? Give examples.
Write a note on glycosides.
13 Classify natural pesticides with examples.
Write the biological source, chemical constituents and uses of pyrethrum and
Neem.
14 Explain different extraction methods of simple lipids.
Write a note on drying oils with examples.
15 Write pharmacognostic scheme of
Rauwolfia
Cardamom
16 Define and classify tannins with examples. Write different characteristics tests
of tannins.
write the biological source and chemical constituents of
Benzoin Spermaceti
17 Discuss protein structure. How do you determine it?
18 Write a note on plant fibres used in surgical dressings.
Explain the different methods of adulteration of crude drugs with examples and
how do you prevent it?