General Characteristics of Protists in Microbiology
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Questions and Answers

Which structure collects extra water from the cytoplasm and then expels it from the cell?

  • Food vacuole
  • Cilia
  • Contractile vacuole (correct)
  • Pseudopod
  • What is the characteristic feature of Zooflagellates that helps them move?

  • Sporozoans
  • Flagella (correct)
  • Cilia
  • Pseudopods
  • Which type of protists are non-motile and pass from one host to another, often through ticks, mosquitoes, or other animals to humans?

  • Sporozoans (correct)
  • Zooflagellates
  • Ciliates
  • Sarcodines
  • What is the role of symbiosis in the context of biology?

    <p>A close relationship between two organisms in which at least one of the organisms benefits.</p> Signup and view all the answers

    Which characteristic distinguishes plant-like protists (algae) from other groups of protists?

    <p>Autotrophs: make their own food from simple materials using light energy (photosynthesis).</p> Signup and view all the answers

    Which of the following is a general characteristic of protists?

    <p>Movement with cilia, pseudopodia, or flagellum</p> Signup and view all the answers

    How are plant-like protists classified based on their nutrition?

    <p>Autotrophic (photosynthesis)</p> Signup and view all the answers

    What is the primary method of reproduction in protists?

    <p>Meiosis and cytokinesis</p> Signup and view all the answers

    What are animal-like protists called?

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

    Which of the following diseases can be caused by protists?

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

    Protists with cilia, pseudopodia, or flagellum are all classified as animal-like protists.

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

    All protists lack cell walls.

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

    All protists are multicellular organisms.

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

    Protists that cause diseases such as Malaria and Dysentery are exclusively autotrophic.

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

    All protists found mainly in water are classified as plant-like protists.

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

    Sporozoans are primarily parasites and are capable of moving from one host to another.

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

    All algae are unicellular and unable to make their own food through photosynthesis.

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

    Ciliates use flagella for movement and feeding purposes.

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

    Zooflagellates are exclusively free swimming and do not have any parasitic members.

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

    Plasmodium, the genus responsible for malaria, has a complex reproductive cycle involving both a sexual phase and an asexual phase inside two different organisms.

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

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