Microbial Biomass Methods Review Test

6 Questions | Total Attempts: 51

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Biomass Quizzes & Trivia

This quiz is designed to allow you to judge whether you have a basic knowledge of the methods to assess microbial biomass.


Questions and Answers
  • 1. 
    These can be categorized as physiological methods to estimate microbial biomass:
    • A. 

      Chloroform fumigation extraction

    • B. 

      Chloroform fumigation incubation

    • C. 

      Substrate induced respiration

    • D. 

      ATP Determinations

  • 2. 
    This method has been considered to be the standard reference technique to measure microbial biomass in soil:
    • A. 

      Chloroform fumigation incubation

    • B. 

      Chloroform fumigation extraction

    • C. 

      Substrate induced respiration

    • D. 

      ATP Determination

  • 3. 
    This method consists on estimating the maximal respiration rate induced by a substrate, usually glucose, over a short-time period:
    • A. 

      Substrate induced respiration

    • B. 

      Chloroform fumigation incubation

    • C. 

      Chloroform fumigation extraction

    • D. 

      ATP Determination

  • 4. 
    Suppresion of the respiratory response to glucose in the SIR experiment is also a useful indicator to assess :
    • A. 

      Toxicity of certain compounds

    • B. 

      Soil microbial diversity

    • C. 

      Soil properties

  • 5. 
    This method relies on the luciferin-lucirefase reaction for the measurement of biomass in soil:
    • A. 

      Substrate induced respiration

    • B. 

      Chloroform fumigation incubation

    • C. 

      Chloroform fumigation extraction

    • D. 

      ATP Determination

  • 6. 
    Some of the characteristics of the ATP Determination method are:
    • A. 

      Direct measurements

    • B. 

      High sensitivity

    • C. 

      Specific for viable living cells

    • D. 

      Estimation of macrobial community composition

    • E. 

      Interference of phosphorus levesl in soil

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