question Which microorganism is responsible for the production of antibiotics such as neomycin

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

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 responsible for the production of butyric acid?

A. Clostridium butyricum
B. Bacillus subtilis
C. Streptococcus pneumoniae
D. Candida albicans

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 microfilaments in eukaryotic microbial cells?

A. Cellular structure and movement
B. Synthesis of proteins
C. DNA replication
D. Cell wall formation

Which microorganism is responsible for the production of insulin in genetic engineering?

A. Escherichia coli (E. coli)
B. Saccharomyces cerevisiae (brewer's yeast)
C. Streptococcus pyogenes
D. Mycobacterium tuberculosis

Which microorganism is involved in the nitrogen cycle?

A. Nitrosomonas
B. Saccharomyces cerevisiae (brewer's yeast)
C. Staphylococcus aureus
D. Plasmodium falciparum (malaria parasite)

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

What is the primary function of the microtubules in eukaryotic microbial cells?

A. Cellular support and transport
B. Synthesis of proteins
C. DNA replication
D. Cell wall formation

Microbiology MCQS - QUESTION DETAILS

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