Biotechnology Question Bank, Industrial and Microbial Biotechnology, Single Cell Protein

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Questions on Industrial and Microbial Biotechnology

Q1. What is fermentation? Discuss the role of microorganisms in fermentation process with suitable examples.

Q2. What is the significance of microbial cultures?

Q3. Give a detailed account of batch culture and microbial kinetics in batch culture.

Q4. What is downstream processing? What are the various steps involved?

Q5. What is the ‘scale up of microbial process’ ?

Q6. What is a fermenter? How does it function?

Q7. Discuss in brief the culture selection method of Penicillium.

Q8. Write a short note on ‘Isolation and improvement of microbial strains’ .

Q9. What is Single Cell Protein (SCP) ? How many types of microorganisms are used for the production of single cell protein product?

Q10. Write a brief note on advantages of using single cell protein, and organic waste utilized for production of single cell protein.

Q11. Discuss the nutritional value of single cell protein.

Q12. What are edible mushrooms? What role could they play in facing the challenge of world food shortage? Discuss their nutritional status.

Q13. What is a biocatalyst? What role does it play in biotechnology?

Q14. What is immobilization of enzymes? What are the advantages of using them?

Q15. Describe the role of ‘biosensors’ .

Q16. What is bioconversion?

Q17. Differentiate between Stirred tank and airlift bioreactor.

Q18. How is continuous culture better than batch or fed batch cultures?

Q19. Suggest two methods of preserving microbial strains.

Q20. What are the functions of the microbial culture collections?

Q21. What is lyophilisation? Why are lyophilized cultures of microbes viable for several years?

Q22. What is meant by ‘steady state’ in relation to the growth of microbial cultures?

Q23. How is the large quantity of air required in industrial fermenters sterilized?

Q24. What is bio hydrometallurgy and biomineralization? How can microbes be used for extraction of metals and for inducing mineral deposits?

Questions on Biotechnology and Environment

Q1. What is bioremediation? In what ways it is good for environmental clean-up?

Q2. What is ‘in situ bioremediation’ ?

Q3. Write a short note on ‘ex situ bioremediation’ with special reference to composting.

Q4. How can the bioremediation of xenobiotics be done?

Q5. Define the following: Biosorption, bioaugmentation, biofiltration, bioleaching.

Q6. What do you understand by the terms ‘in situ’ and ‘ex situ’ conservation? Discuss the different approaches used for in situ and ex situ conservation of plant and animal species in different parts of the world.

Q7. Discuss the utility of micropropagation for reforestation of degraded lands. Describe the different steps involved in this technology.

Q8. What is environmental biotechnology? Describe the areas covered under this subject and discuss their significance in the present-day concern about the degradation of environment.

Q9. How can biotechnology be used in controlling pollution through the use of cleaner technology?

Q10. What is the role of biotechnology in the treatment of industrial effluents?

Q11. How has the field of biotechnology been used for reclamation of toxic sites and for the removal of spilled oil deposits/disasters?

Q12. How are biosensors used for ‘environmental monitoring’ and ‘biomonitoring’ ?