Microorganisms: Friend and Foe
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Questions and Answers

What distinguishes viruses from other microorganisms?

  • They can survive outside host cells
  • They primarily cause bacterial diseases
  • They reproduce inside the cells of the host organism (correct)
  • They are larger in size than other microorganisms
  • Which of the following ailments are commonly caused by viruses?

  • Cold and influenza (correct)
  • Dysentery and malaria
  • Typhoid and tuberculosis
  • Cholera and dengue fever
  • Which group of microorganisms are responsible for causing typhoid and tuberculosis?

  • Fungi
  • Bacteria (correct)
  • Protozoa
  • Algae
  • In which process are microorganisms used to increase soil fertility by fixing nitrogen?

    <p>Agriculture</p> Signup and view all the answers

    Which microorganism group is responsible for causing diseases like dysentery and malaria?

    <p>Bacteria</p> Signup and view all the answers

    What type of microorganism is used in the preparation of curd, bread, and cake?

    <p>Bacteria</p> Signup and view all the answers

    Which of the following are classified as microorganisms?

    <p>Fungi</p> Signup and view all the answers

    What type of microorganism is responsible for spoiling moist bread?

    <p>Bacteria</p> Signup and view all the answers

    Which of the following is NOT classified as a microorganism?

    <p>Trees</p> Signup and view all the answers

    Which group of microorganisms includes organisms that can be seen with a magnifying glass?

    <p>Fungi</p> Signup and view all the answers

    What type of microorganism can be observed moving around in a drop of pond water under a microscope?

    <p>Protozoa</p> Signup and view all the answers

    Which group of microorganisms cannot be seen without the help of a microscope?

    <p>Bacteria</p> Signup and view all the answers

    What is the mode of transmission of tuberculosis?

    <p>Air</p> Signup and view all the answers

    Which disease is caused by a protozoa?

    <p>Malaria</p> Signup and view all the answers

    How can typhoid be prevented?

    <p>Drink boiled drinking water</p> Signup and view all the answers

    Which microorganism causes anthrax?

    <p>Bacteria</p> Signup and view all the answers

    What preventive measure is effective against malaria?

    <p>Use mosquito net and repellents</p> Signup and view all the answers

    How is polio primarily transmitted?

    <p>Air</p> Signup and view all the answers

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