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MCQs

Total Questions : 348 | Page 34 of 35 pages
Question 331.  Which of the following gram-positive bacteria causes pharyngitis (sore throat)?
  1.    Neisseria
  2.    Streptococcus
  3.    Staphylococcus
  4.    Mycobacterium
 Discuss Question
Answer: Option B. -> Streptococcus
Question 332.  Bacterial spoilage is identified by which of the following morphological characteristics?
  1.    Encapsulation
  2.    Endospores
  3.    Cell aggregation
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 333.  Gram-positive bacteria, responsible for food poisoning, is/are
  1.    Mycoplasmas
  2.    Pseudomonas
  3.    Clostridia
  4.    all of these
 Discuss Question
Answer: Option C. -> Clostridia
Question 334.  The enzyme, which hydrolyses the murein is
  1.    perxoidase
  2.    tannase
  3.    lysozyme
  4.    none of these
 Discuss Question
Answer: Option C. -> lysozyme
Question 335.  Which of the following gram-negative bacteria is/are not aerobic?
  1.    Pseudomonas
  2.    Neisseria
  3.    Escherichia
  4.    None of these
 Discuss Question
Answer: Option C. -> Escherichia
Question 336.  The gram-positive bacteria lack __________ structure/component?
  1.    outer membrane
  2.    murein
  3.    teichoic acid
  4.    plasma membrane
 Discuss Question
Answer: Option A. -> outer membrane
Question 337. . Coliform bacteria on fermentation of carbohydrates yields
  1.    lactic acid
  2.    acetic acid
  3.    formic acid
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Question 338. . Gram-negative bacterium is/are
  1.    Escherichia
  2.    Clostridia
  3.    Staphylococci
  4.    All of these
 Discuss Question
Answer: Option A. -> Escherichia
Question 339.  Bacteria are
  1.    saprophytic
  2.    symbiotic
  3.    hyper parasitic
  4.    all of these
 Discuss Question
Answer: Option A. -> saprophytic
Question 340.  Gram-negative bacteria, responsible for food poisoning, is/are
  1.    Salmonella
  2.    Pseudomonas
  3.    Clostridia
  4.    None of these
 Discuss Question
Answer: Option A. -> Salmonella

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