A Quiz On Microbial Growth

15 Questions | By Mokrysalimi | Updated: Dec 1, 2022 | Attempts: 4164

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Microbes are all around the environment, and their infectious ability also regulates human life. Play this informative quiz on microbial growth and see how well you know the topic. This quiz contains questions that cover various aspects of microbiology and other biochemical processes that will enhance your knowledge base. Play the quiz to know more and answer the questions asked in the quiz. If you like the quiz, do share it with your friends and family. All the best!

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.
- D.
  
  None of the above
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.

Microorganism obtained their carbon source from the carbon dioxide are called?
- A.
  
  Chemotroph
- B.
  
  Autotroph
- C.
  
  Heterotroph
- D.
  
  Saprophyte
6.

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
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
- D.
  
  None of the above
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.

What are the factor that shifting the phase to the decline phase ?
- 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