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Posted Date: 18 Oct 2009 Posted By: Manish Jain Member Level: Diamond
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2006 Madras University B.Sc Bio-Technology Semester II - Paper II - Mycology, Virology and Bacteriology Question paper
Semester II - Paper II - Mycology, Virology and Bacteriology
Time: Three hours
Maximum 100 marks
SECTION - A [10 x 3 = Marks 30]
Answer any TEN questions:
All questions carry equal marks.Each answer should not exceed 50 words
Draw diagrams wherever necessary
1. Organic acids from fungi.
2. Symbiosis.
3. Apothecium of Peziza.
4. Grams staining.
5. Antibiotics from Fungi.
6. Ultra structure of Bacterial cell.
7. Bacteriophage.
8. Edible Fungi.
9. Tikka disease.
10. White rust.
11. Eurotium.
12. Yeast.
SECTION - B [5 x 6 = Marks 30]
Answer any FIVE questions.
All questions carry equal marks. Each answer should not exceed 200 words.
13. Describe the phenomenon of transformation and transduction in Bacteria.
14. Outline the classification of Bacteria.
15. Describe the various modes of nutrition met within the Fungi with examples.
16. Give an account of the economic importance of Lichens.
17. Write a short note on Mycorrhiza.
18. Mention the causal organism, symptoms and control measures of 'Citrus Canker' disease.
19. Write a note on Pythium.
SECTION - C [4 x 10 = Marks 40]
Answer any FOUR questions
All questions carry equal marks.Each answer should not exceed 500 words.
20. Describe the causal organism, symptoms and control measutes of Tobacco Mosaic disease.
21. Describe the life history of Colletotrichum. Mention the disease it causes on Sugarcane, symptoms and remedial measures.
22. Discuss the classification of Fungi by Alexopoulos.
23. Write an essay on the occurrence, structure and reproduction of Lichens.
24. Write a brief account on the life cycle of Puccinia.
25. Give an account of the structure and reproduction of Albugo.
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