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Answer the following question.
What are 'flocs', formed during secondary treatment of sewage?
Concept: Microbes in Sewage Treatment
Answer the following question.
Write any two places where methanogens can be found.
Concept: Microbes in Production of Biogas
How does the activity of each one of the following help in organic farming?
Mycorrhiza
Concept: Microbes as Biocontrol Agents
How does the activity of each one of the following help in organic farming?
Cyanobacteria
Concept: Microbes as Biofertilizers
Answer the following question.
Secondary treatment of the sewage is also called Biological treatment. Justify this statement and explain the process.
Concept: Microbes in Sewage Treatment
State the medicinal value and the bioactive molecules produced by Penicillium notatum.
Concept: Microbes in Industrial Products
State the medicinal value and the bioactive molecules produced by Monascus purpureus.
Concept: Microbes in Industrial Products
State the medicinal value and the bioactive molecules produced by Trichoderma polysporum.
Concept: Microbes in Industrial Products
Answer the following question based on Meselson and Stahl's experiment on E. coli :
Write the name of the chemical substance used as the only source of nitrogen in the experiment.
Concept: Microbes in Industrial Products
Name the microbes that help the production of the following product commercially:
Statin
Concept: Microbes in Industrial Products
Name the microbes that help the production of the following product commercially:
Citric acid
Concept: Microbes in Household Products
Name the microbes that help the production of the following product commercially:
Penicillin
Concept: Microbes in Industrial Products
State the most important contribution of the following microbes for human welfare:
Monascus purpureus
Concept: Microbes in Industrial Products
State the most important contribution of the following microbes for human welfare:
Trichoderma Polysporum
Concept: Microbes in Industrial Products
Many members of genus Glomus form a mycorrhizal association with plants. Elaborate how is this association beneficial to the plants.
Concept: Microbes as Biocontrol Agents
Organic farmer use Trichoderma as biological control agents. Explain.
Concept: Microbes as Biocontrol Agents
Organic farmer use Baculovirus as biological control agents. Explain.
Concept: Microbes as Biocontrol Agents
- Give an example of a genus of fungi that forms mycorhizal association with plants.
- How does the plant derive benefits from this association?
Concept: Microbes as Biofertilizers
The aeration tank of a sewage treatment plant is not functioning properly. Explain in detail the impact of this on the treatment of sewage and BOD of the effluent.
Concept: Microbes in Sewage Treatment
A farmer grew 2 varieties of corn crops in fields A and B. He grew normal corn crops in field A and GM corn crops in field B. He observed corn borers attacked only in field A. To control it, spores of Bt were sprayed in field A.
- Name the gene in the spores responsible for the control of this pest.
- What effect will the spores of Bt have on the insect pest?
- How has field B developed resistance against this pest?
Concept: Microbes as Biocontrol Agents
