Prokaryotes Biology Quiz
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Questions and Answers

What term describes the set of environmental conditions in which a species of microbe can replicate?

  • Habitat
  • Ecological Zone
  • Environmental Range
  • Niche (correct)

Which type of microbe grows in the presence of oxygen, but can also survive without it?

  • Obligate aerobe
  • Strict anaerobe
  • Aerotolerant anaerobe
  • Facultative anaerobe (correct)

What is the term for microbes that grow in temperatures between 0-20 degrees Celsius?

  • Psychrophile (correct)
  • Mesophile
  • Thermophile
  • Psychotroph

What is the primary function of the plasma membrane in prokaryotes?

<p>Respiratory chain and transport systems (D)</p> Signup and view all the answers

Which type of microbe lacks or has very low quantities of superoxide dismutase and catalase?

<p>Strict anaerobe (B)</p> Signup and view all the answers

What is the method used to monitor the cell number in a bacterial culture?

<p>Optical density measurement (D)</p> Signup and view all the answers

What is the term for microbes that grow in environments with high temperatures and pressure?

<p>Deep sea hydrothermal vent (D)</p> Signup and view all the answers

What is the characteristic feature of cyanobacteria?

<p>Only photosynthetic prokaryotes that produce oxygen (C)</p> Signup and view all the answers

Which type of microbe forms a mutualistic relationship with leguminous plants?

<p>Rhizobium (A)</p> Signup and view all the answers

What is the function of the 70S ribosomes in prokaryotes?

<p>Protein synthesis (A)</p> Signup and view all the answers

What is the term for microbes that grow in environments with a wide range of metabolic capabilities?

<p>Free-living (C)</p> Signup and view all the answers

What is the method used to determine the number of viable cells in a bacterial culture?

<p>Viable counting method (C)</p> Signup and view all the answers

Which type of microbe interacts with its host organism, but the host is unaffected?

<p>Commensal (C)</p> Signup and view all the answers

What is the term for organisms that use carbon dioxide as their carbon source?

<p>Autotrophs (C)</p> Signup and view all the answers

What is the energy source for phototrophs?

<p>Sunlight (D)</p> Signup and view all the answers

What is the term for microbes that grow in environments with temperatures between 55-85 degrees Celsius?

<p>Thermophiles (C)</p> Signup and view all the answers

What is the characteristic of prokaryotic reproduction?

<p>Asexual reproduction (D)</p> Signup and view all the answers

Which type of microbe forms a mutualistic relationship with the Hawaiian bobtail squid?

<p>Vibrio fischeri (B)</p> Signup and view all the answers

What is the location of enzymes in prokaryotes?

<p>Cell membrane and cytoplasm (D)</p> Signup and view all the answers

In which part of the prokaryotic cell are the transport systems involved in the movement of solutes across the cell membrane located?

<p>Cell membrane (D)</p> Signup and view all the answers

What is the primary function of the respiratory chain in the plasma membrane of prokaryotes?

<p>Energy generation (C)</p> Signup and view all the answers

Which type of ribosomes are found in prokaryotes?

<p>70S ribosomes (A)</p> Signup and view all the answers

What is the characteristic of autotrophs in terms of their carbon source?

<p>They use carbon dioxide to make carbon compounds (C)</p> Signup and view all the answers

Which type of prokaryotes are the only photosynthetic prokaryotes that produce oxygen?

<p>Cyanobacteria (C)</p> Signup and view all the answers

What is the method used to measure the cell density of a bacterial culture?

<p>Spectrophotometry (B)</p> Signup and view all the answers

What is the characteristic feature of binary fission in prokaryotes?

<p>It is a type of asexual reproduction (A)</p> Signup and view all the answers

What is the energy source for chemotrophs?

<p>Chemicals (C)</p> Signup and view all the answers

In which part of the prokaryotic cell are the enzymes involved in diverse metabolism located?

<p>Cell membrane and cytoplasm (B)</p> Signup and view all the answers

What is the range of oxygen concentration that microaerophiles require?

<p>2-10% (A)</p> Signup and view all the answers

What is the term for microbes that grow in environments with temperatures between 20-45 degrees Celsius?

<p>Mesophile (B)</p> Signup and view all the answers

What is the characteristic feature of strict anaerobes?

<p>They lack or have very low quantities of superoxide dismutase and catalase (C)</p> Signup and view all the answers

What type of microbe forms a mutualistic relationship with the Hawaiian bobtail squid?

<p>Vibrio fischeri (C)</p> Signup and view all the answers

What is the term for microbes that grow in environments with high temperatures and high pressure?

<p>Barophiles (A)</p> Signup and view all the answers

What is the term for the set of environmental conditions in which a species of microbe can replicate?

<p>Niche (A)</p> Signup and view all the answers

What type of microbe grows in environments with temperatures between 0-20 degrees Celsius?

<p>Psychrophile (C)</p> Signup and view all the answers

What is the term for microbes that grow in environments with temperatures between 55-85 degrees Celsius?

<p>Thermophile (A)</p> Signup and view all the answers

What type of microbe grows in environments with a wide range of metabolic capabilities?

<p>Free-living (D)</p> Signup and view all the answers

What is the term for microbes that grow in environments with low water activity?

<p>Xerotolerant (D)</p> Signup and view all the answers

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