Roll No. Total No. of Pages : 02
Total No. of Questions : 09
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B.Tech. (BT) (2018 Batch) (Sem.-3)
MICROBIOLOGY
Subject Code : BTBT303-18
M.Code : 76947
Time : 3 Hrs. Max. Marks : 60
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INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
SECTION-A
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- Write briefly :
- Koch's postulates
- Biogenesis v/s abiogenesis
- Lyophilization
- Synchronous growth
- Endospore
- Flagella
- Diauxic growth
- Mycoplasma
- Tuberculosis
- Tyndallization
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SECTION-B
- List out differences between prokaryotes and eukaryotes? Give suitable examples.
- What are obligate parasites and obligate anaerobes? Explain by giving examples.
- Explain batch, fed-batch and continuous fermentation with suitable examples and applications?
- What is conjugation, transformation and transduction? How interrupted mating is used in gene mapping?
- What is microbial growth, generation time and growth rate? What are direct and indirect methods of measurement of growth?
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SECTION-C
- What are different cheap sources of carbon and nitrogen for industrial fermentations? Discuss their composition uses and economic value.
- List five major diseases caused by microorganisms in humans and their causative agents and how they are controlled?
- What is numerical taxonomy? What is similarity index? Which molecular technique is used in identification of bacteria?
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NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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This download link is referred from the post: PTU B.Tech Question Papers 2020 March (All Branches)