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Questions and Answers
Which of the following is a significant role played by bacteria in the food industry?
Which of the following is a significant role played by bacteria in the food industry?
- Conversion of milk sugar to lactic acid (correct)
- Production of vitamins B12 and amino acids
- Causing diseases like typhoid and tuberculosis
- Contributing to mineral cycles in the soil
What is the mode of nutrition exhibited by bacteria?
What is the mode of nutrition exhibited by bacteria?
- Heterotrophic and autotrophic
- Saprophytic and autotrophic
- Parasitic and symbiotic
- Autotrophic and heterotrophic (correct)
What is the most distinguishing feature of bacteria at the cellular level?
What is the most distinguishing feature of bacteria at the cellular level?
- Great variation in mode of nutrition
- Unicellularity and prokaryotic nature (correct)
- Involvement in mineral cycles in the soil
- Presence of a thick rigid cell wall
Which microbial group is commonly used in the manufacture of certain vitamins like B12 and amino acids?
Which microbial group is commonly used in the manufacture of certain vitamins like B12 and amino acids?
What role do bacteria play in mineral cycles, such as the carbon and nitrogen cycles?
What role do bacteria play in mineral cycles, such as the carbon and nitrogen cycles?
What is the primary reason for studying bacteria, according to the given text?
What is the primary reason for studying bacteria, according to the given text?
Which of the following is NOT true about photosynthetic bacteria?
Which of the following is NOT true about photosynthetic bacteria?
What is the mode of vegetative reproduction generally observed in filamentous bacteria (actinomycetes)?
What is the mode of vegetative reproduction generally observed in filamentous bacteria (actinomycetes)?
Which of the following is NOT a characteristic of fungi?
Which of the following is NOT a characteristic of fungi?
What is the primary mode of nutrition for fungi?
What is the primary mode of nutrition for fungi?
What is a beneficial effect of fungi?
What is a beneficial effect of fungi?
Which of the following is NOT a harmful effect of fungi?
Which of the following is NOT a harmful effect of fungi?
What is the major factor governing the activity of algae?
What is the major factor governing the activity of algae?
What is the primary mode of reproduction observed in algae?
What is the primary mode of reproduction observed in algae?
Which type of reproduction is absent in bacteria but may occur through processes such as conjugation, transduction, and transformation?
Which type of reproduction is absent in bacteria but may occur through processes such as conjugation, transduction, and transformation?
What is the primary mode of growth observed in fungi?
What is the primary mode of growth observed in fungi?
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