MCQ quiz on Microorganisms Friend and Foe multiple choice questions and answers on Microorganisms MCQ questions on Microorganisms Class 8 Science Chapter 2 objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject.

Microorganisms Quiz Question with Answer


1. A dangerous human and cattle disease caused by a bacterium ?

  1. Malaria
  2. Polio
  3. Anthrax
  4. Tuberculosis

2. Chicken pox can spread from an infected person to a healthy person through

  1. Contact
  2. Water
  3. Food
  4. Air

3. Cholera can spread from an infected person to a healthy person through

  1. Air
  2. Food
  3. Contact
  4. Water

4. Cirus canker is a plant disease which is caused by ...................microbe ?

  1. Bacteria
  2. Virus
  3. Fungi
  4. Yeast

5. Female ...................mosquito acts as carrier of dengue virus ?

  1. Anopheles
  2. Aedes
  3. aerodes
  4. none

6. Female ...................mosquito carries the parasite of malaria ?

  1. Anopheles
  2. Aedes
  3. aerodes
  4. none

7. Foot and mouth disease of cattle is caused by a

  1. Bacteria
  2. Virus
  3. Protozoa
  4. Yeast

8. In agriculture ...................are used to increase soil fertility by fixing nitrogen ?

  1. Protozoa
  2. Viruses
  3. Bacteria
  4. Insects

9. Jams are preserved by

  1. Salt
  2. Sugar
  3. Oil
  4. Chemicals

10. Malaria is caused by

  1. Protozoa
  2. Bacteria
  3. Virus
  4. Insects

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