B Sc III Year V Semester-Question Bank
Subject: Applied Microbiology Group: Common for Mb Bt C & Mb Bc C
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UNIT-I: Microbes in agriculture
Short questions:
- Soil
- Rhizosphere Effect
- Phyllosphere Microorganisms
- Azotobacter
- Azospirillum
- Frania
- Cyanobacteria
- Biofertilizer
- VAM
- Weathering
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Essay questions:
- What is Soil? Give a concise account of physical & chemical characteristics of soil?
- Give brief account of soil particles, soil texture, soil structure , organic & inorganic fraction of soil?
- What are Rhizosphere & Phyllosphere? Give a detailed account of various microbial activities carried in rhizosphere?
- What are Plant growth promoting Microorganisms? Give a concise account on phosphate solubilizing microorganisms?
- What are myccorhizae? Describe the classificatory categories of mycorrhizae?
- What are Biofertilizers? Give a brief account of large scale production of cyanobacterial bioifertilizeer?
- Write an essay on mass production & applications of rhizobium biofertilizer?
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UNIT-II: Plant diseases & Biocontrol
Short questions:
- Concept of disease in plants
- Tomato leaf curl
- NPV
- Angular leaf spot of cotton
- Trichoderma
- Hypertrophy
- Rust
- Powdery mildew
- Disease cycle
- Koch postulates
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Essay questions:
- Write an essay on Principles of plant disease control?
- Give a detailed account of Biopesticides?
- Describe in detail the mass production & applications of Bacillus thuringenesis?
- What are the characteristics of trichoderma? Describe its mass production & applications?
- What is biological control? Discuss various modes of action of biological control agents?
- Describe Tia disease of groundnut in detail?
- What is Necrosis? Describe any five types of necrotic symptoms?
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UNIT-III: Microbial ecology
Short questions:
- Microorganisms of soil
- Nitrogenase
- Alternative Nitrogenase
- Non-symbiotic Nitrogen fixation
- Carbon cycle
- Sulphur cycle
- Mutualism
- Nif genes & nod factors
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Essay questions:
- What is biological Nitrogen fixation? Discuss various modes of biological nitrogen fixation?
- Describe the mechanism & biochemistry of Nitrogen fixation?
- Give a detailed account of Microorganisms of environment?
- What do you understand by Biogeochemical cycles? Give the schematic representation of sulphur cycle?
- Describe Nitrogen cycle in detail with schematic representation?
- Give a concise account on Microbial interactions?
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UNIT-IV: Role of microbes in environmental pollution
Short questions:
- Potable water
- Sewage
- Chlorination
- Composting
- Membrane filter technique
- Septic tank
- Vermicomposting
- Sanitary landfills
- Air microflora
- Sanitation of potable water
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Essay questions:
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- What is water potability determination? Describe coliform test technique used to determine water potability?
- Describe Municipal water purification process in detail?
- What is sewage? Describe municipal treatment process of sewage treatment?
- Give a concise account of composting & describe the process of composting in detail?
- Define Biodegradation? Describe the outlines of biodegradation of pesticides?
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This download link is referred from the post: OU B.Sc Life Sciences 2021 Important Question Bank || Osmania University (Important Questions)
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