JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B. Pharmacy II PHARMACOGNOSY AND PHYTOCHEMISTRY-I Previous Question Paper (May- 2019 - R17)
Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit.
Part A
What is adulteration. Mention with examples.
Answer
Adulteration is the practice of substituting the original crude drug with inferior, defective, useless, or harmful substances. Examples include the addition of exhausted ginger to genuine ginger or the substitution of genuine Cinchona bark with inferior species.
Mention the different sources of crude drugs.
Answer
Crude drugs are obtained from the following sources:
- Plant sources: Entire plants or parts like leaves, flowers, seeds, roots, and bark (e.g., Senna, Digitalis).
- Animal sources: Whole animals or their secretions/organs (e.g., Honey, Gelatin, Cod liver oil).
- Mineral sources: Inorganic substances (e.g., Kaolin, Bentonite, Talc).
- Marine sources: Organisms from the sea (e.g., Agar, Alginates).
- Microbial sources: Products derived from fungi or bacteria (e.g., Antibiotics like Penicillin).
Mention the role of auxins in plant growth.
Answer
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What is polyploidy? Mention its importance.
Answer
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Mention various types of plant tissue culture techniques.
Answer
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Write the applications of plant tissue culture.
Answer
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Write the identification tests of Tannins.
Answer
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Write the properties and identification tests of volatile oils.
Answer
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Write the biological source and uses of gelatin and wool fat.
Answer
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Write a note on teratogenic agents.
Answer
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Part B
Write the different methods of classification of crude drugs.
Answer
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What is evaluation? Explain microscopic and chemical evaluation methods.
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Write the different methods of cultivation of crude drugs.
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Write the importance of hybridization and mutation techniques in crop improvement.
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Explain the historical development of plant tissue culture.
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Write a note on edible vaccines.
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Write about the growth and maintenance of plant cultures.
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Explain the basic principles, methods of diagnosis and treatment in Traditional Chinese system of medicine.
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Write a note on homeopathic system of medicine.
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Write the classification of resins with examples.
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Write a note on drugs from marine origin.
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Write the pharmacognostic scheme of chaulmoogra oil.
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