Viruses, Bacteria, Protists And Fungi

26 Questions

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Bacteria Quizzes & Trivia

This test will check your comprehensive understanding of Chapter 7


Questions and Answers
  • 1. 
    Why are viruses like parasites?
    • A. 

      They harm the cells they enter.

    • B. 

      They multiply.

    • C. 

      THey use their own energy to develop.

    • D. 

      They make their own food.

  • 2. 
    The genetic material of a virus is found it its
    • A. 

      Coat

    • B. 

      Core

    • C. 

      Coat and core

    • D. 

      Nucleus

  • 3. 
    Which of the following statements does NOT describe an active virus?
    • A. 

      It attaches to the host cell.

    • B. 

      It takes over the host cell's function.

    • C. 

      It "hides" in the host cell.

    • D. 

      Help the virus atach to its host.

  • 4. 
    What characteristic of viruses makes them useful in gene therapy?
    • A. 

      Their ability to enter cells

    • B. 

      Their ability to remain inactive for a long time

    • C. 

      Their inability to multiply in cells

    • D. 

      Their inability to take over the functions of host cells

  • 5. 
    Which shape describes some bacterial cells?
    • A. 

      Cube-shaped

    • B. 

      Bullet-shaped

    • C. 

      Spiral

    • D. 

      Robotlike

  • 6. 
    What process results in genetically different bacteria?
    • A. 

      Binary fission

    • B. 

      Respiration

    • C. 

      Conjugation

    • D. 

      Asexual reproduction

  • 7. 
    Which of the following is an example of indirect contact that spreads some infectious diseases?
    • A. 

      Touching an infected person

    • B. 

      Animal bites

    • C. 

      Hugging an infected person

    • D. 

      Inhaling infected drops of moisture

  • 8. 
    The best treatment for most viral infections is
    • A. 

      An over the counter medicine

    • B. 

      A vaccine

    • C. 

      An antibiotic

    • D. 

      Bed rest

  • 9. 
    What directly provides energy for a virus?
    • A. 

      Food

    • B. 

      Its host

    • C. 

      The sun

    • D. 

      A parasite

  • 10. 
    Which of the following structures are always found in bacterial cells?
    • A. 

      Nuclei

    • B. 

      Ribosomes

    • C. 

      Flagella

    • D. 

      Coats

  • 11. 
    Many bacterial diseases can be cured using
    • A. 

      Toxins

    • B. 

      Endospores

    • C. 

      Viruses

    • D. 

      Antibiotics

  • 12. 
    The spores that funguslike protists produce
    • A. 

      Grown into new organisms

    • B. 

      Produce slime on which the protist can move

    • C. 

      Break down food for the protist

    • D. 

      Form pseudopods

  • 13. 
    What might cause red tides?
    • A. 

      Increase in nutrients in the water

    • B. 

      Decrease in ocean temperature

    • C. 

      Increase in oxygen in the water

    • D. 

      Decreasein plant life in the water

  • 14. 
    When are red tides dangerous to humans?
    • A. 

      When the oceans become warmer

    • B. 

      When algae cause the fish population to increase

    • C. 

      When nutrients increase

    • D. 

      When algae toxins acculmulate in shellfish

  • 15. 
    Which statement does NOT describe eutrophication in a pond or lake?
    • A. 

      A process of gradual change

    • B. 

      A build up of nutrients

    • C. 

      An increase in the amount of oxygen

    • D. 

      An increase in the amount of surface algae

  • 16. 
    What factor will NOT increase the rate of eutrophication in freshwater?
    • A. 

      Farm fertilizer runoff

    • B. 

      Leaks from sewage treatment plants

    • C. 

      Lawn fertilizer runoff

    • D. 

      Eliminating sources of excess nutrients

  • 17. 
    The threadlike structures that make up the bodies of multicellular fungi are called
    • A. 

      Hyphae

    • B. 

      Nuclei

    • C. 

      Mold

    • D. 

      Cell walls

  • 18. 
    The chemicals that ooze from a fungus' hyphae into its food source
    • A. 

      Absorb the food

    • B. 

      Break down the food

    • C. 

      Harden the food

    • D. 

      Nourish the food source

  • 19. 
    A puffball fungus is a type of
    • A. 

      Threadlike fungus

    • B. 

      Sac fungus

    • C. 

      Club fungus

    • D. 

      Imperfect fungus

  • 20. 
    A fungus-plant root association is an example of
    • A. 

      An independent relationship

    • B. 

      Symbiotic relationship

    • C. 

      A decomposing relationship

    • D. 

      Disease fighting

  • 21. 
    What do yeast cells use a food source in breadmaking and winemaking?
    • A. 

      Sugar

    • B. 

      Salt

    • C. 

      Carbon dioxide

    • D. 

      Alcohol

  • 22. 
    Like animals, animal-like protists are
    • A. 

      Autotrophs

    • B. 

      Heterotrophs

    • C. 

      Unicellular

    • D. 

      Prokaryotes

  • 23. 
    Where would fungi NOT likely thrive
    • A. 

      Forest floor

    • B. 

      Wet bathroom tiles

    • C. 

      Damp tree bark

    • D. 

      Desert

  • 24. 
    What characteristic do all algae share?
    • A. 

      They are autotrophs.

    • B. 

      They are unicellular.

    • C. 

      They are multicellular.

    • D. 

      They live in colonies.

  • 25. 
    What characteristic do fungi share?
    • A. 

      They are prokaryotes.

    • B. 

      They are eukaryotes.

    • C. 

      They are autotrophs.

    • D. 

      They are multicellular.

  • 26. 
    What bacteria-killing fungus did Fleiming isolate in his 1928 experiment?
    • A. 

      Rhizopus

    • B. 

      Corn smut

    • C. 

      Wheat rust

    • D. 

      Penicillum