lecture 1
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Questions and Answers

What is microbiology?

  • The study of engineering
  • The study of large organisms
  • The study of microbes (microorganisms) (correct)
  • The study of genetics

    • Where can microorganisms be found?

  • Everywhere (correct)
  • Only in the air
  • Only in animal and human bodies
  • Only in water and soil Only in water and soil Only in water and soil Only in water and soil Only in water and soil Only in water and soil Only in water and soil

    • What is the importance of studying microbiology?

  • To learn about engineering
  • To produce energy
  • To understand importance disease mediators, production of antibiotics and vaccines, genetic engineering, fermentation, nitrogen fixation, food chains, digestive system processes, and research in ecology, biochemistry, and genetics (correct)
  • To study genetics

    • Which of the following is NOT a benefit from microbes?

    <p>All of the above are benefits from microbes</p> Signup and view all the answers

    What do some microorganisms do in the food chain?

    <p>They capture energy and store it in molecules that other organisms use as food source</p> Signup and view all the answers

    What is the role of certain microorganisms in the digestive system of grazing animals?

    <p>To serve in digestive process</p> Signup and view all the answers

    What is the role of microorganisms in nitrogen fixation?

    <p>To convert atmospheric nitrogen into forms that plants can use for growth</p> Signup and view all the answers

    How do some microorganisms serve in research?

    <p>Through the study of ecology, biochemistry, and genetics</p> Signup and view all the answers

    What is the temperature of the deep hot interior of the earth where some microorganisms can be found?

    <p>110 °C</p> Signup and view all the answers

    What is the scale at which microorganisms are measured?

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

    Which type of microorganism is composed of nucleic acids and proteins?

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

    Which type of microorganism is responsible for causing mad cow disease?

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

    Which type of microorganism is single-celled and gains food by engulfing other microorganisms?

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

    What is the primary characteristic of bacteria?

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

    Which microorganism captures energy from light and serves as a food source for other organisms?

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

    How do protozoa primarily obtain their food?

    <p>Engulfing or ingesting other microorganisms</p> Signup and view all the answers

    Which type of microorganism is responsible for causing diseases in plants?

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

    What is the main mode of transmission for diseases caused by arthropods (insects)?

    <p>Biological vectors</p> Signup and view all the answers

    What is the defining characteristic of helminths (worms) in their life cycle?

    <p>They have a microscopic stage in their life cycle</p> Signup and view all the answers

    Which type of microorganisms can be seen by the naked eye, although most are single-celled and microscopic?

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

    What is the characteristic feature of viroids?

    <p>Composed of nucleic acid without protein coating</p> Signup and view all the answers

    Which type of microorganism is responsible for causing sleeping sickness transmitted by the Tsetse fly?

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

    How do algae primarily capture energy?

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

    Which type of microorganism is responsible for producing antibiotics?

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

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