Microbiology: Protozoa and Algae Preliminaries Quiz

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Questions and Answers

What distinguishes fungi from animals?

  • Having eukaryotic cells
  • Having a cell wall
  • Being multicellular
  • Obtaining food from other organisms (correct)

How do most protozoa move?

  • By forming pairs, chains, or clusters
  • Through photosynthesis
  • Using pseudopodia, cilia, or flagella (correct)
  • By binary fission

What is a common method of reproduction for bacteria?

  • Photosynthesis
  • Multicellular reproduction
  • Formation of spores
  • Binary fission (correct)

How are algae categorized?

<p>Based on their pigmentation, storage products, and cell wall composition (B)</p> Signup and view all the answers

What is a distinguishing feature of archaeal cell walls compared to bacterial cell walls?

<p>&quot;S-layer&quot; composition with protein or glycoproteins (B)</p> Signup and view all the answers

Which kingdom includes unicellular and multicellular photosynthetic organisms?

<p>Plant Kingdom (D)</p> Signup and view all the answers

Which of the following best describes the relationship between microorganisms and plants according to the text?

<p>Microorganisms help plants obtain nitrogen. (D)</p> Signup and view all the answers

In symbiotic relationships, which type involves one organism benefiting while the other is neither helped nor harmed?

<p>Commensalism (D)</p> Signup and view all the answers

What is the role of microorganisms in sewage treatment according to the text?

<p>Recycling water by converting harmful materials into beneficial substances. (C)</p> Signup and view all the answers

Which microbial example is given for animals needing microorganisms to digest cellulose?

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

What is the main benefit of microorganisms to the human body according to the text?

<p>Providing essential nutrients (B)</p> Signup and view all the answers

What is the interaction between two different organisms living together called, as mentioned in the text?

<p>Symbiosis (D)</p> Signup and view all the answers

Who is credited with developing a taxonomic system for naming plants and animals?

<p>Carolus Linnaeus (C)</p> Signup and view all the answers

Which kingdom did Carolus Linnaeus contribute to naming and classifying organisms?

<p>Animal Kingdom (D)</p> Signup and view all the answers

What is the purpose of scientific nomenclature according to the text?

<p>To group similar organisms together (C)</p> Signup and view all the answers

Which category of microorganisms did Antoni Van Leeuwenhoek initially observe and call 'ANIMALCULES'?

<p>Protozoa (C)</p> Signup and view all the answers

Which type of microorganism is excluded from the groups described by Leeuwenhoek?

<p>Viruses (C)</p> Signup and view all the answers

What do the terms 'Staphylo' and 'Coccus' describe in the scientific name 'Staphylococcus aureus'?

<p>Shape of the organism (D)</p> Signup and view all the answers

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