Microbiology MCQ#Quiz#Short

Test your microbiology knowledge with these quick and essential MCQs — perfect for lab technologists, students, and exam preparation. Which of the following is a Gram-positive bacterium? a) Escherichia coli b) Staphylococcus aureus c) Pseudomonas aeruginosa d) Neisseria gonorrhoeae Answer: b) Staphylococcus aureus The bacterial cell wall is mainly composed of: a) Peptidoglycan b) Lipopolysaccharide c) Teichoic acid d) Phospholipid Answer: a) Peptidoglycan Which staining technique is used to differentiate Gram-positive and Gram-negative bacteria? a) Ziehl-Neelsen stain b) Gram stain c) Giemsa stain d) India ink preparation Answer: b) Gram stain Which of the following organisms is acid-fast? a) Mycobacterium tuberculosis b) Streptococcus pneumoniae c) Klebsiella pneumoniae d) Proteus mirabilis Answer: a) Mycobacterium tuberculosis Endospores are produced by: a) Salmonella typhi b) Bacillus subtilis c) Neisseria meningitidis d) Escherichia coli Answer: b) Bacillus subtilis #MicrobiologyMCQ #LabTechnologist #MedicalLabScience #MedilabEduTalk #MicrobiologyQuiz #MicrobiologyRevision #DOHExam #HAADExam #PSCLabExam #Bacteriology #MedicalMicrobiology #LabExamPreparation #MLTStudy #MicrobiologyTest