Kingdom Protista MCQs for MDCAT Practice

Biology section, Kingdom Protista chapter. Sample questions from past PMC papers.

1. Question 1
   Which protist genus is a classic example of mixotrophy, possessing both chloroplasts for photosynthesis and the ability to ingest organic material (heterotrophy) when light is unavailable?
   • A.Amoeba
   • B.Plasmodium
   • C.Paramecium
   • D.Euglena
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2. Question 2
   Euglenoids resemble
   • A.Algae
   • B.Green plants
   • C.Zooflagellates
   • D.All these
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3. Question 3
   Shell of which one of the following is composed of interlocking cellulose plates
   • A.Dinoflagellates
   • B.Diatoms
   • C.Kelps
   • D.Red algae
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4. Question 4
   The hypothesis of Ronald Ross relating to malaria was:
   • A.Plasmodia are the cause of malaria.
   • B.Bad air is involved in the spread of malaria.
   • C.Mosquitoes are possible carriers of Plasmodium.
   • D.Malaria is caused by bad air coming from marshy places.
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5. Question 5
   Protists that form a monophyletic lineage with plants are
   • A.Fucus and Ulva
   • B.Ulva and Spirogyra
   • C.Polysiphonia and Fucus
   • D.Polysiphonia and Spirogyra
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6. Question 6
   The African sleeping sickness is caused by:
   • A.Entamoeba histolytica.
   • B.Zooflagellates.
   • C.Trypanosoma.
   • D.Ciliates.
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7. Question 7
   African sleeping sickness is caused by which of these human parasites?
   • A.Choanoflagellates
   • B.Trypanosoma
   • C.Trichonymphas
   • D.Paramecium
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8. Question 8
   A protist that forms seaweeds is:
   • A.Red algae
   • B.Brown algae
   • C.Green algae
   • D.Diatoms
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