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Biology MCQs with Answers


This is Biology MCQs section with detailed explanations for preparation of screening tests, interviews for government jobs. In this section candidate will learn MCQs on variety of topics from the subject.

  1. 81 Non bacterial ropiness or sliminess in milk and milk products may be due to the
  2. 82 The micro-organism which is present in both fresh and frozen juices is
    1. E. coli

    2. Entereobacter aerogenes

    3. P. chrysogenum

    4. None of these

    See Answer

    Added By: Admin

  3. 83 Saprophytic bacteria cause
    1. sliminess or souring in piled, wet and heating vegetables

    2. brown rot in vegetables

    3. black rot in fruits

    4. bacterial soft rot

    See Answer

    Added By: Admin

  4. 84 Bacterial soft rot is caused due to
  5. 85 Under what conditions food poisoning bacteria may grow and produce toxins in vegetables?
  6. 86 Species of __________ are predominant on thawing vegetables like sweet corn and peas when the temperature of thawing is fairly low.
    1. Streptococcus

    2. Micrococcus

    3. both (a) and (b)

    4. none of these

    See Answer

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  7. 87 Stem and rots caused by species of molds involve
  8. 88 Anthracnose is a defect which can be observed as
  9. 89 The predominant micro-organisms in frozen foods are
    1. bacteria

    2. micro-coccus

    3. yeast and moulds

    4. none of these

    See Answer

    Added By: Admin

  10. 90 Black mold rot is caused by
    1. A.flavus

    2. A. niger

    3. Trichoderma

    4. Trichothecium roseum

    See Answer

    Added By: Admin