Factors Affecting Microbial Growth: Temperature

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Questions and Answers

Which factor largely determines the temperature range over which an organism grows best?

  • Moisture content
  • pH ranges
  • Optimum temperature of enzymes (correct)
  • Availability of nutrients

What type of microorganisms grow best at high temperatures?

  • Thermophiles (correct)
  • Psychrophiles
  • Mesophiles
  • Halophiles

What is the growth temperature range of mesophiles?

  • 30-40°C (correct)
  • 60-70°C
  • Below 0°C
  • Above 100°C

What microbial stages can survive a drying process due to their nature?

<p>Bacterial endospores and protozoal cysts (D)</p> Signup and view all the answers

What is the key function of water in microbial life?

<p>Carry out normal metabolic processes (D)</p> Signup and view all the answers

Which type of microorganisms grow best at moderate temperatures?

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

What role do nutrients play in the growth of microorganisms?

<p>Provide energy sources (D)</p> Signup and view all the answers

What is the characteristic feature of thermophiles?

<p>Prefer high temperatures for growth (C)</p> Signup and view all the answers

Which condition allows certain microbial stages to survive desiccation?

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

What is the optimal growth temperature for thermophiles?

<p>70°C to 90°C (D)</p> Signup and view all the answers

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