JNTU
JNTU B.Pharmacy II PHARMACOGNOSY AND PHYTOCHEMISTRY-I Previous Question Paper (September - 2024 - R17)
Note: i) Question paper consists of Part A, Part B.
ii) Part A is compulsory, which carries 25 marks. In Part A, answer all questions.
iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
Define Pharmacognosy.
Answer
Pharmacognosy is the branch of pharmacy that deals with the systematic study of the physical, chemical, biochemical, and biological properties of drugs, drug substances, or potential drugs of natural origin, as well as the search for new drugs from natural sources.
Write the difference between organized and unorganized drugs.
Answer
| Feature | Organized Drugs | Unorganized Drugs |
|---|---|---|
| Origin | Direct parts of plants/animals | Products of secretion/exudation |
| Cellular structure | Possess definite cellular structure | Lack definite cellular structure |
| Examples | Digitalis, Senna | Agar, Opium, Gum |
What do you mean by Polyploidy and classify it.
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Write a note on factors affecting cultivation of medicinal plants
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Mention few examples of edible vaccines and define it.
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Explain briefly about nutritional requirement of Plant tissue culture.
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Define traditional system of medicine.
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List out the classification of alkaloids with examples.
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Write the biological source and family of following compounds: i) Honey ii) Wool fat.
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Give a brief note on hallucinogens and Natural allergens with examples.
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Part B
Enumerate various sources of crude drugs with suitable examples.
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Define and classify adulteration with suitable examples.
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Write a note on camera Lucida with a neat labeled diagram.
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Discuss the common practices involved in collection, processing and storage of crude drugs.
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Explain various plant hormones and their applications.
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Explain in detail about various types of plant tissue cultures.
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Describe in detail about applications of Plant tissue culture in Pharmacognosy.
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Write the role of Pharmacognosy on Ayurvedic and Sidda systems of medicines.
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What are Glycosides? Classify them with examples and write its properties.
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Write the definition, properties and identification test of alkaloids.
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Write the Pharmacognosy of the following: a) Acacia b) Castor oil.
Acacia
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Castor oil.
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Explain sea as a source of drugs. Write an account of drugs obtained from Marine source.
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