MCQ Questions
Q.1.
Which example below is a characteristic shared by diplomonads and parabasalids?
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    Both lack plastids.
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    Dinoflagellates.
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    Chlamydomonas.
  • 0%
    Dinoflagellates
Q.2.
Which of these groups is characterised by cells that have more than one nucleus?
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    Dinoflagellates.
  • 0%
    Euglenids.
  • 0%
    Ciliates.
  • 0%
    Diatoms.
Q.3.
The term mixotroph indicates that a protist __________.
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    morphological studies of the cytoskeleton.
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    several diverse groups of photosynthetic protists.
  • 0%
    combines photosynthesis and heterotrophic nutrition.
  • 0%
    Eukaryotes that are not plants, animals or fungi.
Q.4.
Apicomplexans are currently assigned to the chromalveolates because __________.
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    the apicoplast, a modified plastid, appears to be of red algal origin.
  • 0%
    Both lack plastids.
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    About 30% of the world's photosynthesis is performed by protists.
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    engulfed a photosynthetic red alga in a secondary endosymbiosis event.
Q.5.
The term algae refers to __________.
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    several diverse groups of photosynthetic protists.
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    Pseudopodia, Cilia, Flagella, Undulating membrane.
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    combines photosynthesis and heterotrophic nutrition.
  • 0%
    Eukaryotes that are not plants, animals or fungi.
Q.6.
Although controversial, chromalveolates are proposed as a clade whose common ancestor __________.
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    It shows all five supergroups diverging simultaneously from a common ancestor.
  • 0%
    engulfed a photosynthetic red alga in a secondary endosymbiosis event.
  • 0%
    About 30% of the world's photosynthesis is performed by protists.
  • 0%
    the apicoplast, a modified plastid, appears to be of red algal origin.
Q.7.
Which of the following is not a cellular organelle possessed by a protist?
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    Chlamydomonas.
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    Sporozoite.
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    Reproduction.
  • 0%
    Ciliates.
Q.8.
The holdfast of brown algae functions in __________.
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    Both lack plastids.
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    anchoring the algae.
  • 0%
    chlorophytes.
  • 0%
    Dinoflagellates
Q.9.
Which protist group is thought to be most closely related to animals?
  • 0%
    Dinoflagellates.
  • 0%
    Diatoms, Brown Algae, Forams, Ciliates.
  • 0%
    Choanoflagellates.
  • 0%
    Dinoflagellates
Q.10.
Which of the following is a structure used for locomotion in protists?
  • 0%
    About 30% of the world's photosynthesis is performed by protists.
  • 0%
    Sporozoite.
  • 0%
    Pseudopodia, Cilia, Flagella, Undulating membrane.
  • 0%
    It shows all five supergroups diverging simultaneously from a common ancestor.
Q.11.
Which of these groups includes parasitic unicellular organisms with a complex of organelles specialized for penetrating host cells and tissues?
  • 0%
    Euglenids.
  • 0%
    Diatoms.
  • 0%
    Apicomplexans.
  • 0%
    Dinoflagellates.
Q.12.
Which of the following is the best description of protists' contribution to photosynthesis?
  • 0%
    Sporozoite.
  • 0%
    Pseudopodia, Cilia, Flagella, Undulating membrane.
  • 0%
    It shows all five supergroups diverging simultaneously from a common ancestor.
  • 0%
    About 30% of the world's photosynthesis is performed by protists.
Q.13.
Which of the following does not take place during the process of conjugation?
  • 0%
    Reproduction.
  • 0%
    Sporozoite.
  • 0%
    Apicomplexans.
  • 0%
    Chlamydomonas.
Q.14.
Molecular data suggest that plastids originated as __________ engulfed by a heterotrophic eukaryote.
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    Reproduction.
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    cyanobacteria
  • 0%
    Oomycetes
  • 0%
    chlorophytes.
Q.15.
What is one way in which a cellular slime mold differs from a plasmodial slime mold?
  • 0%
    A cellular slime mold is multicellular.
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    Frequently changing their surface proteins.
  • 0%
    Pseudopodia, Cilia, Flagella, Undulating membrane.
  • 0%
    morphological studies of the cytoskeleton.
Q.16.
Parasites of the genus Trypanosoma evade immune responses through what defense?
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    Eukaryotes that are not plants, animals or fungi.
  • 0%
    morphological studies of the cytoskeleton.
  • 0%
    Frequently changing their surface proteins.
  • 0%
    A cellular slime mold is multicellular.
Q.17.
Which protists were once categorized as fungi due to their multinucleate filaments that resemble hyphae?
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    Euglenids.
  • 0%
    Dinoflagellates.
  • 0%
    Oomycetes
  • 0%
    Ciliates.
Q.18.
Protists are best described as which of the following?
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    morphological studies of the cytoskeleton.
  • 0%
    combines photosynthesis and heterotrophic nutrition.
  • 0%
    Eukaryotes that are not plants, animals or fungi.
  • 0%
    Frequently changing their surface proteins.
Q.19.
Which organisms are capable of producing a "red tide"?
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    Oomycetes
  • 0%
    Dinoflagellates.
  • 0%
    Dinoflagellates
  • 0%
    Ciliates.
Q.20.
Which of these groups includes photosynthetic unicellular organisms with flagella and contractile vacuoles?
  • 0%
    Ciliates.
  • 0%
    Apicomplexans.
  • 0%
    Euglenids.
  • 0%
    Diatoms.