Chapter No 6 :Microbial Growth (50 MCQ`S)

  1. What does meant by word psychrophile in microbiology?
    1. Cold loving Bacteria
    2. Heat loving bacteria
    3. Water loving bacteria
    4. Food loving bacteria
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  2. Mesophile with optimum growth temperature will be?
    1. 20 to 30 degree Celsius
    2. 25 to 40 degree Celsius
    3. 40 to 50 degree Celsius
    4. All of these
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  3. In plasmolysis what will actually happen to cell?
    1. cell increase in size
    2. cell cytoplasm increase
    3. cell cytoplasm shrink
    4. cell cytoplasm expand in size
    5. Show Answer
      Answer: C
      Explanation:
      • N/A
  4. Essential organic compound that an an organism is unable to synthesise known as______
    1. Growth factor
    2. Essential Growth factor
    3. Organic growth factor
    4. All of these
    5. Show Answer
      Answer: C
      Explanation:
      • N/A
  5. The microbes that grow and multiplay in or on culture medium called_______
    1. Culture
    2. Strain
    3. Species
    4. Sub strain
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  6. Agar derived from______
    1. Marine Fungi
    2. Marine Alga
    3. Fresh fungi
    4. Fresh Alga
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  7. When agar solidify in vertical test tubes called
    1. Deep
    2. Slant
    3. Petri
    4. Culture
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  8. Agar must be________before inoculating bacterial cultures
    1. Fresh
    2. Sterile
    3. Thick
    4. Pathogen free
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  9. Agar can also be used in food like
    1. Jellies
    2. soup
    3. Ice cream
    4. All of these
    5. Show Answer
      Answer: D
      Explanation:
      • N/A
  10. Agar is composed of
    1. Protein
    2. Meat
    3. Polysaccharide
    4. Sugar
    5. Show Answer
      Answer: C
      Explanation:
      • N/A

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