Introduction to Microorganisms and Microbes
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Questions and Answers

Which of the following is NOT classified as a major group of microorganisms?

  • Viruses (correct)
  • Bacteria
  • Fungi
  • Algae

What are microorganisms that cannot be seen without a microscope called?

  • Invisible organisms
  • Megabacteria
  • Macroorganisms
  • Microbes (correct)

What can be observed through a magnifying glass in the case of the fungus that grows on bread?

  • Black rounded structures (correct)
  • Greyish white patches
  • Tiny organisms
  • Moist soil particles

What may cover the surface of moist bread during the rainy season?

<p>Greyish white patches (B)</p> Signup and view all the answers

Why are microorganisms called 'micro'organisms?

<p>Because they are extremely tiny in size (A)</p> Signup and view all the answers

Which major group of microorganisms can usually be seen with a magnifying glass?

<p>Fungi (B)</p> Signup and view all the answers

'Megabacteria' would most likely refer to:

<p>Extremely large bacteria (B)</p> Signup and view all the answers

'Invisible organisms' mentioned in the text would likely mean organisms that:

<p>Cannot be seen without a microscope (D)</p> Signup and view all the answers

What is the main difference between viruses and other microorganisms mentioned in the text?

<p>Viruses are not classified as microorganisms. (C)</p> Signup and view all the answers

Why are some microorganisms like bacteria, fungi, protozoa, and algae grouped together?

<p>They are all classified as microbes. (D)</p> Signup and view all the answers

What distinguishes microorganisms from other living organisms?

<p>Microorganisms cannot be seen without a magnifying glass. (B)</p> Signup and view all the answers

If you were to observe a sample of moist soil under a microscope following Activity 2.1, what type of microorganisms would you likely see?

<p>Bacteria (A)</p> Signup and view all the answers

In the context of the text, why are some microorganisms classified as 'microbes'?

<p>They are invisible to the naked eye. (A)</p> Signup and view all the answers

Which of the following activities would best help in observing microorganisms mentioned in the text?

<p>Spreading pond water on a glass slide and observing through a microscope (B)</p> Signup and view all the answers

What is the significance of observing microorganisms through a microscope as mentioned in the text?

<p>It allows visualization of organisms too small to be seen with the naked eye. (B)</p> Signup and view all the answers

What distinguishes viruses from bacteria, fungi, protozoa, and algae as mentioned in the text?

<p>Viruses are microscopic but not considered microorganisms. (D)</p> Signup and view all the answers

What is the primary method recommended for viewing microorganisms that are invisible to the naked eye?

<p>Using a microscope (C)</p> Signup and view all the answers

Why is it important to observe microorganisms like bacteria through a microscope?

<p>To see their small size which is invisible to the naked eye (B)</p> Signup and view all the answers

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