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Microbiology : NEET MCQ Questions

Are you looking for NEET MCQ Questions on Microbiology? If Yes then you are at right place. Here you will find Microbiology NEET 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 MCQS is very important for Neet Exam. In this Microbiology NEET section for Neet competition we are covering NEET MCQ Questions on Microbiology

Question 1 : The bacterium that infects other gram-negative bacteria is

A. Proteus mirabilis

B. Haemophilus influenza

C. Bdellovibrio

D. Pseudomonas putida

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Question 2 : The bacterial genus where sterols are present in the cell membrane is

A. Vibrio

B. Mycoplasma

C. Escherichia

D. Chlamydia

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Question 3 : 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

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Question 4 : 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

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Question 5 : Diarrhoea is not caused by

A. Shigella dysenteriae

B. Streptococcus pyogenes

C. Clostridium difficile

D. Salmonella enteriditis

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Question 6 : Which of the following is diagnosed by serologic means?

A. Actinomycosis

B. Q-fever

C. Pulmonary tuberculosis

D. Gonorrhea

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Question 7 : Which of the following microorganisms is not responsible for urinary tract infection?

A. Proteus mirabilis

B. Escherichia coli

C. Klebsiella pneumoniae

D. Bacteroides fragilis

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Question 8 : Which of the following is a gram-positive eubacterium?

A. Actinomyces

B. Clostridium

C. Rhizobium

D. Clostridium, Actinomyces

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Question 9 : Which of the following is not a recognised cause of diarrhoea?

A. Vibrio cholerae

B. Escherichia coli

C. Clostridium perfringens

D. Enterococcus faecalis

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Question 10 : 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

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Question 11 : 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

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Question 12 : The association of endotoxin in gram-negative bacteria is due to the presence of

A. Steroids

B. Peptidoglycan

C. Lipopolysaccharides

D. Polypeptide

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Question 13 : Which of the following contains structures composed of N-acetylmuramic acid and N- acetylglucosamine?

A. Mycoplasmas

B. Amoeba

C. E.coli

D. Spheroplast

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Question 14 : Which of these bacterial components is least likely to contain useful antigens?

A. Cell wall

B. Flagella

C. Ribosomes

D. Capsule

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