Trivia Quiz: What Do You Know About Unicellular Organisms?

79 Questions | Total Attempts: 292

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Trivia Quiz: What Do You Know About Unicellular Organisms?

What do you know about unicellular organisms? One fact you should know by now is that they are single-celled and either be prokaryotic organisms and eukaryotic organisms. Over the course of your studies, you have covered some of their basic characteristics and the different organisms that fall under this group. Test how much you know about them by taking this test!


Questions and Answers
  • 1. 
    The theory of endosymbiosis proposes the:      
    • A. 

      Origin of prokaryotic cells

    • B. 

      Origin of mitochondria

    • C. 

      Origin of fossils

    • D. 

      Origin of eukaryotic cells

  • 2. 
    Protozoa are always unicellular organisms whereas fungi and algae can be unicellular or multicellular.      
    • A. 

      True

    • B. 

      False

  • 3. 
    Eukaryotic cells evolved about 2 billion years before prokaryotic cells.      
    • A. 

      True

    • B. 

      False

  • 4. 
    In eukaryotic cells, what structure is embedded in the rough endoplasmic reticulum?  
    • A. 

      Vesicles

    • B. 

      Ribosomes

    • C. 

      Chromatin

    • D. 

      Golgi Apparatus

  • 5. 
    Eukaryotic flagella and cilia are composed of a '9+2' arrangement of microtubules encased in a membrane.      
    • A. 

      True

    • B. 

      False

  • 6. 
    In eukaryotic cells, the site for ribosomal RNA synthesis and a collection area for ribosomal subunits is the __________________.      
  • 7. 
    Which eukaryotic cell types have a cell wall? 
    • A. 

      Fungi

    • B. 

      Algae and fungi

    • C. 

      Protzoa

    • D. 

      Algae

  • 8. 
    Yeasts are _______________fungi, and molds are ________________fungi.      
    • A. 

      Water, terrestrial

    • B. 

      Unicellular, filamentous

    • C. 

      Motile, nonmotile

    • D. 

      Macroscopic, nonmacroscopic

  • 9. 
    Yeasts cells reproduce by spore formation, whereas molds reproduce by budding. 
    • A. 

      True

    • B. 

      False

  • 10. 
    In general, fungi derive their nutrients by:
    • A. 

      Engulfing bacteria

    • B. 

      Photosynthesis

    • C. 

      Parasitism

    • D. 

      Digesting organic substrates

  • 11. 
    In eukaryotic cells, which of the following is true of the nuclear envelope?
    • A. 

      It has pores that allow communication with the cytoplasm

    • B. 

      It is the site of lipid synthesis in the cell

    • C. 

      It contains ribosomes

    • D. 

      It is a not a membraned structure

  • 12. 
    A hypha divided into compartments by cross walls is called:
    • A. 

      Nonseptate

    • B. 

      Septate

    • C. 

      Perfect

    • D. 

      Imperfect

  • 13. 
    A mass of hyphae that makes up the colony of mold is called a __________________ 
  • 14. 
    All algae contain some type of chlorophyll.      
    • A. 

      True

    • B. 

      False

  • 15. 
    Which of the following is not a characteristic of protozoa?  
    • A. 

      Locomotion

    • B. 

      Cyst formation

    • C. 

      Trophozoite form

    • D. 

      Spore formation

  • 16. 
    Mushrooms belong to which Phylum of Fungi?
    • A. 

      Ascomycota

    • B. 

      None of these

    • C. 

      Zygomycota

    • D. 

      Basidiomycota

  • 17. 
    Enterobius vermicularis is the organism that causes malaria.      
    • A. 

      True

    • B. 

      False

  • 18. 
    Human fungal infections involve and affect what areas of the body?      
    • A. 

      Skin

    • B. 

      Lungs

    • C. 

      Mucous membranes

    • D. 

      All of these

  • 19. 
    The number of cases of helminth infections worldwide is less than 10,000 per year since these are not common infections.      
    • A. 

      True

    • B. 

      False

  • 20. 
    Viruses are not considered living things because:      
    • A. 

      All of these

    • B. 

      They lack metabolism

    • C. 

      They cannot reproduce by themselves

    • D. 

      They are not cells

  • 21. 
    A virus has either DNA or RNA, not both.      
    • A. 

      True

    • B. 

      False

  • 22. 
    The specific viral structure consisting of a 3-dimensional polyhedron which resembles a hollow sphere with the nucleic acid inside is called a(an)___________________ virus.
    • A. 

      Naked

    • B. 

      Icosahedral

    • C. 

      Enveloped

    • D. 

      Helical

  • 23. 
    Viruses are measured using what unit of measure?      
    • A. 

      Nanometers

    • B. 

      Milimeters

    • C. 

      Centimeters

    • D. 

      Micrometers

  • 24. 
    Viruses are capable of infecting:      
    • A. 

      Only animals

    • B. 

      Only plants

    • C. 

      Only bacteria

    • D. 

      All organisms

  • 25. 
    The identical protein subunits which make up the viral capsid are called spikes.      
    • A. 

      True

    • B. 

      False