A Quiz On Microbial Growth! Trivia

15 Questions | Total Attempts: 1103

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A Quiz On Microbial Growth! Trivia

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Questions and Answers
  • 1. 
    Which is the following the main requirement(s) for the bacteria to grow?
    • A. 

      Oxygen requirement

    • B. 

      Nutrient requirement

    • C. 

      Oxygen and nutrient requirement

    • D. 

      Physical and chemical requirement

  • 2. 
    Psychrophiles are those bacteria that able to grow under........
    • A. 

      0 – 20ºC

    • B. 

      25 – 40ºC

    • C. 

      50 – 60 ºC

    • D. 

      70 – 110 ºC

  • 3. 
    Osmosis is one of the processes in passive transportation. What is the movement of the water when there's high solute concentration outside the cell?
    • A. 

      Water move from inside to outside cell

    • B. 

      Water move from outside to inside cell

    • C. 

      There's no net movement of water molecules.

  • 4. 
    Chemical growth requirements essential for microorganism growth is.
    • A. 

      Water only

    • B. 

      Environmental waste.

    • C. 

      Product from other bacterial waste

    • D. 

      Water,carbon,oxygen,phosphorus,Nitrogen,sulfur and trace element

  • 5. 
    Microorganisms obtain their carbon source in many different ways. Those that able to get the carbon source from the organic compound are called?
    • A. 

      Autotroph

    • B. 

      Chemotroph

    • C. 

      Heterotroph

    • D. 

      Organotroph

  • 6. 
    Microorganism obtained their carbon source from the carbon dioxide are called?
    • A. 

      Chemotroph

    • B. 

      Autotroph

    • C. 

      Heterotroph

    • D. 

      Saprophyte

  • 7. 
    Mac Conkey’s agar is a differential media that contains lactose as substrate and neutral red as an indicator. This agar is used to
    • A. 

      Differentiate lactose fermenters from non-lactose fermenters

    • B. 

      Differentiate sucrose fermenters with non-sucrose fermenters bacteria.

    • C. 

      Differentiate glucose fermenters with non - glucose fermenters

    • D. 

      Identify the bacteria that able to degrade peptone into amino acid.

  • 8. 
    Bacteria mainly grow via binary fission. Some can grow by 
    • A. 

      Budding only

    • B. 

      Spores only

    • C. 

      Budding,spores, or fragmentation

  • 9. 
    Organisms do not increase significantly in number and produce large quantities of energy in the form of ATP. Which of the phase in the exponential growth curve explains these statements?
    • A. 

      Lag phase

    • B. 

      Stationary phase

    • C. 

      Log phase

    • D. 

      Decline phase

  • 10. 
    • A. 

      Condition in the medium become less but cell still have the ability to divide rapidly

    • B. 

      Condition in the medium become less and cell lose their ability to divide

    • C. 

      Number of live cells increases at a logarithmic rate

  • 11. 
    Growth are referring to the number of cells, not the size.
    • A. 

      True

    • B. 

      False

  • 12. 
    Tolerance referring to the survival of bacteria under conditions in which they cannot grow.
    • A. 

      True

    • B. 

      False

  • 13. 
    Selective media contain agents that inhibit the growth of certain bacteria while permitting the growth of other.
    • A. 

      True

    • B. 

      False

  • 14. 
    Blood agar is unable to cultivate the fastidious microorganisms 
    • A. 

      True

    • B. 

      False

  • 15. 
    Aseptic technique refers to carry out a procedure under controlled conditions in a manner that will minimize the chance of contamination. 
    • A. 

      True

    • B. 

      False