Category: Microbiology Mcqs

Microbiology Mcqs for NTS, PPSC, FPSC, SPSC, KPPSC, AJKPSC, PMS, NAT, PTS, Educators, Lecturer and all other exams. Here users will find all the Mcqs related to Microbiology. Here users will find mcqs related to study of life and living organisms, living things in an ecosystem, study and structure of organs, study of cells, organisms interaction and their environment, , study of heredity, study of biological molecules, study of DNA and proteins, study of fossils and all microbiology mcqs will be available here.

Giemsa-stained blood smear with bipolar-staining pathogens indicates involvement of:

(A) Bacillus anthracis
(B) Pasteurella multocida
(C) Brucella abortus
(D) Mycobacterium bovis

►Correct Option

__ is capsulated and shows positive Negler’s reaction due to presence of α-toxin.

(A) Clostridium tetani
(B) Clostridium botulinum
(C) Clostridium perfringens
(D) Clostridium difficile

►Correct Option

Ahmad comes from dinner, he complained about diarrhea, vomiting after 4 hours of meal. Most likely causative agent:

(A) Salmonella typhi
(B) Vibrio cholerae
(C) E. coli
(D) Staphylococcus aureus

►Correct Option

A cook prepares snacks from 10 people going for a picnic. 08 out of them develop severe gastroenteritis within 4-6 hours of consumption of snacks. It is likely that on investigations cook is found to be carrier of:

(A) Salmonella typhi
(B) Vibrio cholerae
(C) E. coli
(D) Staphylococcus aureus

►Correct Option

Staph. aureus differs from S. epidermidis by:

(A) Is coagulase positive
(B) Forms white colonies
(C) A common cause of UTI
(D) Causes endocarditis of prosthetic valve

►Correct Option

Genetic and biochemical similarities between contemporary cyanobacteria and eukaryotic chloroplasts are accepted to mean that:

(A) Eukaryotes evolved from bacteria
(B) Eukaryotes evolved from archaea
(C) Oxygenic photosynthesis first evolved in eukaryotes
(D) Cyanobacteria arose from chloroplasts which escaped from plant cells

►Correct Option