Microbial Ecology and Symbiotic Relationships Quiz

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Questions and Answers

What term is used to describe the association between ascomycetes and certain genera of green algae or cyanobacteria?

  • Commensalism
  • Symbiosis (correct)
  • Mutualism
  • Parasitism

Which type of host harbors the infective stage of a parasite?

  • Definitive host
  • First intermediate host
  • Second intermediate host (correct)
  • Reservoir host

What term describes a symbiotic relationship where different microorganisms occupy the same ecological niche without affecting each other?

  • Neutralism (correct)
  • Synergism
  • Parasitism
  • Commensalism

Which category of parasites attaches to the skin or invades the superficial tissues of the host's body?

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

What type of microorganisms are considered resident on the skin?

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

Which factor affects the skin's microflora by driving many resident microbiota into a dormant state?

<p>Lack of moisture (B)</p> Signup and view all the answers

What is the main focus of microbial ecology?

<p>Interactions between microorganisms and the world around them (D)</p> Signup and view all the answers

Which term describes the relationship in which one organism benefits while the other is neither harmed nor helped?

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

What is the characteristic of commensalism?

<p>One organism benefits while the other is neither harmed nor helped (B)</p> Signup and view all the answers

Which type of symbiosis involves one organism remaining outside the other?

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

What defines mutualism as a symbiotic relationship?

<p>Both symbionts are metabolically dependent on each other (A)</p> Signup and view all the answers

What do symbionts refer to in the context of symbiotic relationships?

<p>Any organism that spends part of its life associated with a different species (A)</p> Signup and view all the answers

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