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B.Tech Food Technology — free MCQ practice

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B.Tech Food Technology subjects

Biology (30)

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BiologyControl of Microbial GrowthFood Technology

Try a B.Tech Food Technology question

Doorknobs, toys and towels can carry microbes from person to person. Such objects are called:Read the answer and worked solution →A lab wipes a bench with bleach, killing most but not all microbes. This process is:Read the answer and worked solution →A bench has been wiped with bleach. That bench is now clean but not:Read the answer and worked solution →A cook kills most kitchen microbes with a natural acid. That household disinfectant is:Read the answer and worked solution →

Worked practice questions

Doorknobs, toys and towels can carry microbes from person to person. Such objects are called:

  1. Fomites
  2. Fossils
  3. Faucets
  4. Filters
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Correct answer: A. Fomites

1. They are lifeless objects, not people. 2. They still help pass infection along. 3. Such objects are fomites. _Source: OpenStax Microbiology, Chapter 13, Control of Microbial Growth._

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A lab wipes a bench with bleach, killing most but not all microbes. This process is:

  1. Distribution
  2. Disinfection
  3. Distillation
  4. Dissolution
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Correct answer: B. Disinfection

1. Chemicals inactivate microbes on a surface. 2. A few survivors remain behind. 3. That process is disinfection. _Source: OpenStax Microbiology, Chapter 13, Control of Microbial Growth._

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A bench has been wiped with bleach. That bench is now clean but not:

  1. Sterile
  2. Stable
  3. Shining
  4. Slanted
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Correct answer: A. Sterile

1. Some microbes always survive a wipe. 2. Sterile means none at all remain. 3. So the bench is not sterile. _Source: OpenStax Microbiology, Chapter 13, Control of Microbial Growth._

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