Microbes in Human Welfare Quiz

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Questions and Answers

Which of the following is true about microbes?

  • They are present in soil, water, air, and inside living organisms (correct)
  • They are only present in living organisms
  • They are only present in soil and water
  • They are only present in highly acidic environments

Which of the following are major components of biological systems on earth?

  • Microbes (correct)
  • Protozoa and bacteria
  • Fungi and viruses
  • Plants and animals

Which of the following is a type of microbe?

  • Protozoa (correct)
  • Amphibians
  • Mammals
  • Insects

Where can microbes be found?

<p>In highly acidic environments, deep in the soil, and under layers of snow (C)</p> Signup and view all the answers

What can be seen with the naked eyes when grown on nutritive media?

<p>Colonies of bacteria and many fungi (A)</p> Signup and view all the answers

Which of the following are major components of biological systems on earth?

<p>Protozoa, bacteria, fungi (B)</p> Signup and view all the answers

Where can microbes be found?

<p>Soil, water, air, inside our bodies (A)</p> Signup and view all the answers

What type of environments can microbes survive in?

<p>Highly acidic environments, deep inside geysers, under layers of snow (C)</p> Signup and view all the answers

What are the examples of microscopic animal and plant viruses?

<p>Viroids, prions (A)</p> Signup and view all the answers

What can be seen with the naked eyes when grown on nutritive media?

<p>Colonies of bacteria and many fungi (C)</p> Signup and view all the answers

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Study Notes

Microbes

  • Microbes are a type of microorganism that includes bacteria, viruses, fungi, and protozoa.

Major Components of Biological Systems on Earth

  • Microbes are major components of biological systems on earth, along with plants and animals.

Types of Microbes

  • Examples of microbes include bacteria, viruses, fungi, and protozoa.

Habitat of Microbes

  • Microbes can be found almost everywhere, including in soil, water, air, and the bodies of animals and plants.

Characteristics of Microbes

  • When grown on nutritive media, microbial colonies can be seen with the naked eye.

Environmental Survival of Microbes

  • Microbes can survive in a wide range of environments, including extreme temperatures, high salinity, and high pressure.

Examples of Microscopic Viruses

  • Examples of microscopic animal viruses include influenza virus and HIV.
  • Examples of microscopic plant viruses include tobacco mosaic virus and potato virus X.

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