Are you looking for Mcqs on Microbiology? If Yes then you are at right place. Here you will find Microbiology Mcq Questions and Answers, Trivia, Quiz, Interview MCQ & Microbiology Current Affairs for Competitive Exams like Neet exams, around 30% to 40% of Neet questions are asked from given Microbiology Mcqs. as you know Questions and Ansers on Microbiology is very important for Neet Exam. In this Microbiology MCQ section for Neet competition we are covering MCQS on Microbiology
Question : The bacterium that infects other gram-negative bacteria is
A. Proteus mirabilis
B. Haemophilus influenza
C. Bdellovibrio
D. Pseudomonas putida
Question : The bacterial genus where sterols are present in the cell membrane is
A. Vibrio
B. Mycoplasma
C. Escherichia
D. Chlamydia
Question : Prokaryotic cells are more resistant to osmotic shock than eukaryotic cells because
A. Their cell wall is composed of peptidoglycan
B. They are selectively permeable
C. They contain osmoregulating porins
D. They block water molecules from entering the cell
Question : The coagulase is done to differentiate
A. Staphylococcus aureus from Staphylococcus epidermidis
B. Staphylococcus epidermidis from Neisseria meningitidis
C. Streptococcus pyogenes from Enterococcus faecalis
D. Streptococcus pyogenes from Staphylococcus aureus
Question : Diarrhoea is not caused by
A. Shigella dysenteriae
B. Streptococcus pyogenes
C. Clostridium difficile
D. Salmonella enteriditis
Question : Which of the following is diagnosed by serologic means?
A. Actinomycosis
B. Q-fever
C. Pulmonary tuberculosis
D. Gonorrhea
Question : Which of the following microorganisms is not responsible for urinary tract infection?
A. Proteus mirabilis
B. Escherichia coli
C. Klebsiella pneumoniae
D. Bacteroides fragilis
Question : Which of the following is a gram-positive eubacterium?
A. Actinomyces
B. Clostridium
C. Rhizobium
D. Clostridium, Actinomyces
Question : Which of the following is not a recognised cause of diarrhoea?
A. Vibrio cholerae
B. Escherichia coli
C. Clostridium perfringens
D. Enterococcus faecalis
Question : Which of the statements regarding gram staining is wrong?
A. Mycobacterium tuberculosis stains blue because of the thick lipid layer
B. Streptococcus pyogenes stains blue because of a thick peptidoglycan layer
C. Escherichia coli stains pink because of a thin peptidoglycan layer
D. Mycoplasma pneumoniae is not visible in the Gram’s stain because it has no cell wall
Question : The prokaryotic cell membrane
A. Contains metabolic enzymes
B. Is selectively permeable
C. Regulates the entry and exit of materials
D. Contains proteins and phospholipids
Question : The association of endotoxin in gram-negative bacteria is due to the presence of
A. Steroids
B. Peptidoglycan
C. Lipopolysaccharides
D. Polypeptide
Question : Which of the following contains structures composed of N-acetylmuramic acid and N- acetylglucosamine?
A. Mycoplasmas
B. Amoeba
C. E.coli
D. Spheroplast
Question : Which of these bacterial components is least likely to contain useful antigens?
A. Cell wall
B. Flagella
C. Ribosomes
D. Capsule