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Classification of Viruses, Bacteria and Protists Quiz-Test
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
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1. Four of the kingdoms include eukaryotes and the other two include
a. plants.
c. animals.
b. fungi.
d. prokaryotes.
2. Which of the following is not a characteristic used to differentiate kingdoms?
a. cell type
c. nutrition
b. movement
d. body type
3. The kingdom that contains both unicellular and multicellular organisms is the kingdom
a. Protista.
c. Both (a) and (b)
b. Fungi.
d. Archaebacteria
4. Some biologists group eubacteria and archaebacteria together in a kingdom called
a. Protista.
c. Monera.
b. Animalia.
d. Plantae.
5. Some heterotrophic eubacteria are capable of living in the absence of
a. water.
c. oxygen.
b. soil.
d. None of the above
6. Eubacteria are responsible for the recycling of
a. phosphorus.
c. copper.
b. iron.
d. water.
7. The major groups of archaebacteria include
a. methanogens.
c. halophiles.
b. thermophiles.
d. All of the above
8. A temporary collection of cells that come together for a period of time and then separate is called a(n)
a. colony.
c. tribe.
b. aggregation.
d. collection.
9. Non-motile unicellular parasites that form spores and are responsible for malaria are called
a. Congressmen.
c. Plasmodium.
b. Plasmodesmodium.
d. Plastids.
10. If asked whether slime molds are protists, you might reply,
a. "Nope, it's a fungus".
c. "Whadyoube callin' me?"
b. "Si, senior".
d. "No, I'm a vegetarian".
11. Amoebas move using extensions of cytoplasm called
a. foraman.
c. fraternity men.
b. firemen.
d. pseudopodia.
12. We know viruses are not alive because
a. they are not cellular.
c. they cannot use energy.
b. they cannot make proteins.
d. All of the above
13. The study of viruses is a part of biology because
a. they belong to the kingdom Monera.
c. they are living organisms.
b. they are about to become extinct.
d. they are active inside living cells.
14. Tobacco mosaic virus
a. is able to be crystallized.
c. is smaller than a bacterium.
b. causes disease in tobacco plants.
d. All of the above
____ 15. Viruses
a. are cellular organisms.
c. have nuclei and organelles.
b. reproduce only in living cells.
d. are surrounded by a polysaccharide coat.
____ 16. Viruses are
a. photosynthetic.
c. parasitic.
b. chemosynthetic.
d. All of the above
____ 17. A typical virus consists of
a. a protein coat and a cytoplasm core.
b. a carbohydrate coat and a nucleic acid core.
c. a protein coat and a nucleic acid core.
d. a polysaccharide coat and a nucleic acid core.
____ 18. Biologists now know that viruses
a. are the smallest organisms.
b. consist of a protein surrounded by a nucleic acid coat.
c. contain RNA or DNA in a protein coat.
d. all form the same crystalline shape.
____ 19. Refer to the illustration above. Which structure is the bacteriophage?
a. structure E
c. structure B
b. structure D
d. structure A
____ 20. The capsid of a virus is the
a. protective outer coat.
c. nucleus.
b. cell membrane.
d. cell wall and membrane complex.
____ 21. All viruses have
a. cytoplasm.
c. mitochondria.
b. ribosomes.
d. DNA or RNA, but not both.
____ 22. The cycle of viral infection, replication, and cell destruction is called the
a. lysogenic cycle.
c. lytic cycle.
b. like-love-just friends cycle.
d. recumbant cycle.
____ 23. A pathogen is an agent that is
a. beneficial to humans.
c. harmful to living organisms.
b. harmful only to plants.
d. nearly extinct.
____ 24. HIV can be transmitted
a. through sexual contact.
b. through the sharing of nonsterile needles.
c. to infants during pregnancy or through breast milk.
d. All of the above
____ 25. Gram staining is important to distinguishing Gram-positive and Gram-negative bacteria in diagnosing a
bacterial infection because
a. Gram staining highlights the difference in their cell walls, which influence their response
to different antibiotics.
b. I don't care, staining your grammy is mean, she's old!
c. It's got to be a, choose a.
d. Yeh, choose a.
____ 26. The chromosomes of bacteria
a. contain numerous types of organelles.
b. are divided into compartments.
c. vary in number, depending on the species of bacteria.
d. contain a single circular piece of DNA.
____ 27. Bacteria are the only organisms characterized as
a. unicellular.
c. eukaryotic.
b. prokaryotic.
d. photosynthetic.
____ 28. One difference between the cells in a human body and bacterial cells is that bacterial cells have
a. no cell wall.
b. an outer cell wall made up of polysaccharides and proteins.
c. no DNA.
d. no ribosomes.
____ 29. Structures found in eukaryotic cells but not in a bacterial cells are
a. nuclei.
c. membrane-bound organelles.
b. linear chromosomes.
d. All of the above
____ 30. Refer to the illustration above. Which of the diagrams has a shape like the Bacillus bacterial genus?
a. Organism A
c. Organism C
b. Organism B
d. None of the above
____ 31. Refer to the illustration above. The shape represented by Organism A in the diagram applies to the bacterial
genus
a. Streptococcus, which causes strep throat.
b. Leptospira, which can cause urinary tract infections in humans.
c. Bacillus, which produces antibiotics.
d. Penicillium, which produces penicillin.
____ 32. Refer to the illustration above. The shape represented by Organism C is called
a. coccus.
c. bacillus.
b. spirillum.
d. filamentous.
____ 33. Which of the following might be found in the cytoplasm of a bacterial cell?
a. Endoplasmic reticulum
c. mitochondria
b. Golgi bodies
d. DNA
____ 34. Bacteria can be classified according to their
a. type of cell walls.
c. Gram-staining characteristics.
b. methods of obtaining energy.
d. All of the above
____ 35. Nitrogen-fixing bacteria
a. repair nitrogen-damaged legume roots.
b. damage the environment by using atmospheric oxygen to produce toxic nitrogen
compounds.
c. convert atmospheric nitrogen into ammonia.
d. convert ammonia in the soil into nitrogen gas.
____ 36. Cell organelles that Escherichia coli and other bacteria have in common with eukaryotes are
a. chloroplasts.
c. nuclei.
b. mitochondria.
d. ribosomes.
____ 37. Antibiotics
a. can be obtained from bacteria or fungi.
b. may prevent bacteria from making new cell walls.
c. are very effective treatments for bacterial diseases.
d. All of the above
____ 38. A protist may be
a. unicellular and heterotrophic.
c. multicellular and autotrophic.
b. unicellular and autotrophic.
d. All of the above
____ 39. The kingdom Protista includes
a. most of the single-celled eukaryotes.
c. multicellular seaweed.
b. slime and water molds.
d. All of the above
____ 40. Protists are found almost everywhere there is
a. water.
c. methane.
b. carbon monoxide.
d. ammonia.
____ 41. Eukaryotes that lack the features of animals, plants, or fungi are placed in the kingdom
a. Archaebacteria.
c. Protista.
b. Plantae.
d. Animalia.
____ 42. Zoospores are
a. produced as a result of meiosis.
c. produced as a result of mitosis.
b. diploid.
d. all parasitic.
____ 43. Pseudopodia are used for
a. Paramecium conjugation.
c. Euglena reproduction.
b. movement by amoebas.
d. Paramecium mitosis.
____ 44. Algae are
a. sometimes heterotrophic.
b. always microscopic in size.
c. found in both fresh water and salt water.
d. found only in fresh water.
____ 45. In addition to causing disease, protists also affect humans through
a. their role in the nitrogen cycle.
c. the diseases they cause in livestock.
b. the diseases they transmit to plants.
d. All of the above
____ 46. The stage in the life cycle of Plasmodium in which it lives in mosquitos and is injected into humans is called
the
a. gametophyte.
c. sporophyte.
b. sporozoite.
d. zoospore.
____ 47. Quinine
a. was used since the 1960's to kill bacterial infections
b. can be used to relieve the symptoms of malaria.
c. was produced in the 1980’s using genetic engineering techniques.
d. is derived from fungi.
____ 48. Derivatives of quinine, such as chloroquine and primaquine, are used today to
a. treat individuals infected with malaria
c. prevent fungal infections
b. prevent malaria in healthy individuals
d. a and b, but not c.
____ 49. Euglenoids are protists with eyespots, which
a. cause them to move away from light
d. a. and c., but not b.
b. are used to recognize predators
e. a., b., and c.
c. contain light sensitive pigments
____ 50. Poisonous "red tides" are caused by explosions of
a. diatoms.
c. dinoflagellates.
b. zoomastigotes.
d. flagellates.
Bonus 1.
Bonus 2.
Viruses, Bacteria and Protists
Answer Section
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