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MCQs

Total Questions : 348 | Page 1 of 35 pages
Question 1. What type of colonies are formed by Mycoplasmas on agar plate?
  1.    colourless
  2.    coloured
  3.    lawn formation
  4.    fried-egg
 Discuss Question
Answer: Option D. -> fried-egg
Answer: (d).fried-egg
Question 2. L.flagellatum performs the function of synthesizing _______________
  1.    vitamins
  2.    hormones
  3.    organic acids
  4.    folic acid and toxins
 Discuss Question
Answer: Option D. -> folic acid and toxins
Answer: (d).folic acid and toxins
Question 3. The mycoplasmas require which of the following substance for growth?
  1.    Nitrogen
  2.    Carbon
  3.    Cholesterol
  4.    Glucose
 Discuss Question
Answer: Option C. -> Cholesterol
Answer: (c).Cholesterol
Question 4. Which of the following family of bacteria are pathogenic for citrus and other plants?
  1.    Mycoplasmataceae
  2.    Acholeplasmataceae
  3.    Spiroplamataceae
  4.    Anaplasmataceae
 Discuss Question
Answer: Option C. -> Spiroplamataceae
Answer: (c).Spiroplamataceae
Question 5. Lyticum flagellatum is an endosymbiont carried by certain strains of __________________
  1.    bacteria
  2.    fungi
  3.    viruses
  4.    protozoa
 Discuss Question
Answer: Option D. -> protozoa
Answer: (d).protozoa
Question 6. Cells of Arthrobacter in the stationary phase of growth are ____________ shaped.
  1.    rod
  2.    irregularly
  3.    coccoid
  4.    rudimentary branching
 Discuss Question
Answer: Option C. -> coccoid
Answer: (c).coccoid
Question 7. Which of the following genus of species occur on the surface of certain cheeses such as brick and Limburger?
  1.    Brevibacterium
  2.    Microbacterium
  3.    Cellulomonas
  4.    Arthrobacter
 Discuss Question
Answer: Option A. -> Brevibacterium
Answer: (a).Brevibacterium
Question 8. The causative agent of leprosy is ________________
  1.    M.intracellulare
  2.    M.leprae
  3.    M.kansasii
  4.    M.phlei
 Discuss Question
Answer: Option B. -> M.leprae
Answer: (b).M.leprae
Question 9. Mycobacteria are acid-fast organisms.
  1.    True
  2.    False
  3.    May be
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 10. Which of the following genus of organisms are normal inhabitants of human mouth?
  1.    Agromyces
  2.    Arachnia
  3.    Actinomyces
  4.    Rothia
 Discuss Question
Answer: Option D. -> Rothia
Answer: (d).Rothia

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