question Which microorganism is used in the production of antibiotics such as erythromycin

What is the function of the flagellum in bacteria?

A. Locomotion
B. Nutrient absorption
C. DNA replication
D. Antibiotic production

What is the primary function of the ribosome in microbial cells?

A. Protein synthesis
B. Lipid synthesis
C. DNA replication
D. Cell wall formation

What is the primary role of the Koch's postulates in microbiology?

A. Establishing the causative agent of a disease
B. Classifying microorganisms
C. Identifying antibiotic resistance
D. Describing microbial morphology

Which process involves the conversion of nitrite to nitrogen gas in the nitrogen cycle?

A. Denitrification
B. Nitrogen fixation
C. Nitrification
D. Ammonification

Which microorganism is responsible for causing dental caries?

A. Streptococcus mutans
B. Escherichia coli (E. coli)
C. Candida albicans
D. Mycobacterium tuberculosis

Which process involves the conversion of atmospheric nitrogen into ammonia?

A. Nitrogen fixation
B. Nitrification
C. Denitrification
D. Ammonification

What is the primary role of bacteriophages in microbiology?

A. Viruses that infect bacteria
B. Bacteria that infect viruses
C. Fungi that infect bacteria
D. Protozoa that infect bacteria

Which microorganism is used in the production of vinegar?

A. Acetobacter
B. Lactobacillus
C. Clostridium acetobutylicum
D. Escherichia coli (E. coli)

Which microorganism is responsible for the production of citric acid in the tricarboxylic acid (TCA) cycle?

A. Citrobacter freundii
B. Saccharomyces cerevisiae (brewer's yeast)
C. Aspergillus niger
D. Escherichia coli (E. coli)

What is the primary role of Mycobacterium tuberculosis?

A. Causes tuberculosis in humans
B. Fermentation of dairy products
C. Decomposes dead plant material
D. Produces penicillin

Microbiology MCQS - QUESTION DETAILS

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