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MCQs

Total Questions : 72 | Page 4 of 8 pages
Question 31. What are antibiotics?
  1.    Nutrient supplements
  2.    Anti-cancer drugs
  3.    Anti-microbial drugs
  4.    Anti-ulcer drugs
 Discuss Question
Answer: Option C. -> Anti-microbial drugs
Answer: (c).Anti-microbial drugs
Question 32. Who discovered the first antibiotic?
  1.    Alexander Fleming
  2.    Louis Pasteur
  3.    Francis Crick
  4.    Kary Mullis
 Discuss Question
Answer: Option A. -> Alexander Fleming
Answer: (a).Alexander Fleming
Question 33. How inoculum is prepared in the production of antibiotics?
  1.    On solid media
  2.    On liquid media
  3.    First on solid media than on liquid media
  4.    On suspension
 Discuss Question
Answer: Option C. -> First on solid media than on liquid media
Answer: (c).First on solid media than on liquid media
Question 34. Antibiotics are mainly produced by _________
  1.    Bacteria
  2.    Algae
  3.    Fungi
  4.    Fungi and bacteria
 Discuss Question
Answer: Option D. -> Fungi and bacteria
Answer: (d).Fungi and bacteria
Question 35. How many antibiotics have still been isolated?
  1.    5000
  2.    2000
  3.    7000
  4.    3000
 Discuss Question
Answer: Option C. -> 7000
Answer: (c).7000
Question 36. Penicillin is active against ____________
  1.    Gram +ve bacteria
  2.    Gram-ve bacteria
  3.    All virus
  4.    All bacteria
 Discuss Question
Answer: Option A. -> Gram +ve bacteria
Answer: (a).Gram +ve bacteria
Question 37. Penicillin inhibits cell wall synthesis.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 38. What is the precursor of penicillin?
  1.    Benzylpenicillin
  2.    Isopenicillin N
  3.    phenylacetic acid
  4.    L-α aminoadipic acid
 Discuss Question
Answer: Option C. -> phenylacetic acid
Answer: (c).phenylacetic acid
Question 39. PH required for the production of penicillin will be ______________
  1.    8.0
  2.    7.5
  3.    6.5
  4.    5.0
 Discuss Question
Answer: Option C. -> 6.5
Answer: (c).6.5
Question 40. Penicillium chrysogenum produce penicillin.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True

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