Protists: Comprehensive Exam Study Guide, Exams of Biochemistry

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1. The simplest of the eukaryotes are the: a. protistans b. plants c. fungi d. animals e. Archaea ANSWER: a POINTS: 1 REFERENCES: Section 20.1 What are protists? KEYWORDS: Bloom's: Remember
2. All protists have: a. chloroplasts only b. nuclei only c. mitochondria only d. both nuclei and mitochondria e. chloroplasts, nuclei, and mitochondria ANSWER: b POINTS: 1 REFERENCES: Section 20.1 What are protists? KEYWORDS: Bloom's: Remember

Selecting the Exception

3. Four of the five answers listed below are members of the same kingdom. Select the exception. a. Archaea b. protozoa c. charophyte d. dinoflagellate e. euglenoid ANSWER: a POINTS: 1 REFERENCES: Section 20.1 What are protists? KEYWORDS: Bloom's: Remember OTHER: Selecting the Exception
4. Four of the five answers listed below are protistan structures. Select the exception. a. cell membrane b. pili c. mitochondrion

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KEYWORDS: Bloom's: Understand OTHER: Selecting the Exception

5. Four of the five groups listed below have single-celled members. Select the exception. a. brown algae b. dinoflagellates c. green algae d. diatoms e. red algae ANSWER: a POINTS: 1 REFERENCES: Section 20.6 What are stramenopiles? KEYWORDS: Bloom's: Remember OTHER: Selecting the Exception
6. Four of the five answers are characteristics of diatoms. Select the exception. a. two-part silica shells b. photosynthetic c. some produce a toxin that accumulates in fish, crabs, and shellfish d. flagella e. live in lakes, seas, and damp soils ANSWER: d POINTS: 1 REFERENCES: Section 20.6 What are stramenopiles? KEYWORDS: Bloom's: Remember NOTES: Modified
7. Four of the five answers listed below are amoeboid protozoans. Select the exception. a. amoebas b. cellular slime molds c. plasmodial slime molds d. Dictyostelium e. diatoms ANSWER: e POINTS: 1 REFERENCES: Section 20.8 What are amoebozoans? KEYWORDS: Bloom's: Remember OTHER: Selecting the Exception
8. If a chloroplast in a protist has four membranes, it arose from:

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a. primary endosymbiosis b. secondary endosymbiosis c. tertiary endosymbiosis d. protist cell fusion

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REFERENCES: Section 20.2 What are flagellated protozoans? KEYWORDS: Bloom's: Understand NOTES: New

12. A contractile vacuole is important to euglenoids for:

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a. photosynthesis b. food storage c. excess water removal d. movement e. structure ANSWER: c POINTS: 1 REFERENCES: Section 20.2 What are flagellated protozoans? KEYWORDS: Bloom's: Remember

13. The pellicle of protozoa is most directly involved in: a. feeding b. information storage c. locomotion d. structure e. water removal ANSWER: d POINTS: 1 REFERENCES: Section 20.2 What are flagellated protozoans? KEYWORDS: Bloom's: Remember
14. Trypanosomes that infect humans are transmitted by: a. biting insects b. contaminated water c. contaminated food d. aerosols e. parasitic worms ANSWER: a POINTS: 1 REFERENCES: Section 20.2 What are flagellated protozoans? KEYWORDS: Bloom's: Remember NOTES: Modified
15. What is the layer of elastic proteins beneath the cell membrane of protozoans? a. eyespot b. pellicle c. feeding groove d. flagella e. cell wall

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16. Which species causes the waterborne disease giardiasis? a. euglenoids b. trypanosomes c. diplomonads d. parabasalids e. any anaerobic protozoans ANSWER: c POINTS: 1 REFERENCES: Section 20.2 What are flagellated protozoans? KEYWORDS: Bloom's: Remember NOTES: New
17. Foraminiferan and radiolarian lineages are related, but different in that: a. one has a mineral based shell and the other does not b. one has a chalk shell and the other has a silica shell c. one has a shell and one does not have a shell d. one is heterotrophic and the other is completely autotrophic e. one has a single, large mitochondria and the other has many ANSWER: b POINTS: 1 REFERENCES: Section 20.3 What are Rhizarians? KEYWORDS: Bloom's: Understand NOTES: Modified
18. Planktonic foraminifera often have smaller photosynthetic protists such as diatoms or algae. a. living inside them b. living on their shell c. living near them on the ocean floor d. aiding in the building of their shell e. providing carbon dioxide for them ANSWER: a POINTS: 1 REFERENCES: Section 20.3 What are Rhizarians? KEYWORDS: Bloom's: Remember NOTES: New
19. Foraminifera help the sea to absorb more carbon dioxide from the air by: a. photosynthesis b. incorporating it into their calcium carbonate shells

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c. incorporating it into their silica shells d. storing it in their gas filled vacuoles e. digesting photosynthetic plankton species ANSWER: b

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23. Gut-dwelling help cattle, sheep and related grazing animals break down in plant material. a. ciliates; chlorophyll b. apicomplexans; cellulose c. dinoflagellates; cellulose

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d. dinoflagellates; chlorophyll e. ciliates; cellulose ANSWER: e POINTS: 1 REFERENCES: Section 20.4 What are alveolates? KEYWORDS: Bloom's: Understand

24. Which protists have two flagella that make them spin and move forward? a. dinoflagellates b. ciliates c. apicomplexans d. rhizarians e. euglenoids ANSWER: a POINTS: 1 REFERENCES: Section 20.4 What are alveolates? KEYWORDS: Bloom's: Remember NOTES: New
25. Which protist has a belt-like flagellum that runs through a groove in the middle of its cell? a. dinoflagellates b. ciliates c. apicomplexans d. euglenoids e. trypanosomes ANSWER: a POINTS: 1 REFERENCES: Section 20.4 What are alveolates? KEYWORDS: Bloom's: Remember NOTES: New
26. Which specialized structure is not correctly paired with its actual function? a. gullet − ingestion b. cilia − food gathering c. contractile vacuole − digestion d. cilia − locomotion e. micronucleus - sexual reproduction ANSWER: c POINTS: 1

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a. apicomplexa b. ciliate c. dinoflagellate d. foraminifera e. radiolaria ANSWER: a POINTS: 1 REFERENCES: Section 20.5 How does malaria affect human health? KEYWORDS: Bloom's: Remember

28. Which organism causes malaria? a. apicomplexa b. ciliate c. dinoflagellate d. foraminifera e. radiolaria ANSWER: a POINTS: 1 REFERENCES: Section 20.5 How does malaria affect human health? KEYWORDS: Bloom's: Remember
29. Over 90% of the worldwide deaths from malaria in 2011 occurred in: a. Africa b. India c. Mexico d. Southeast Asia e. South America ANSWER: a POINTS: 1 REFERENCES: Section 20.5 How does malaria affect human health? KEYWORDS: Bloom's: Remember NOTES: New
30. The parasite Plasmodium reproduces in which cells of the human body? a. brain b. digestive tract c. kidney d. red blood cells and liver e. white blood cells

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ANSWER: d POINTS: 1 REFERENCES: Section 20.5 How does malaria affect human health? KEYWORDS: Bloom's: Remember NOTES: Modified

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c. water molds only d. diatoms and brown algae only e. diatoms, brown algae and water molds ANSWER: d POINTS: 1

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REFERENCES: Section 20.6 What are stramenopiles? KEYWORDS: Bloom's: Remember NOTES: Modified

35. The largest protistans would be included in which group? a. brown algae b. golden algae c. red algae d. green algae e. blue-green algae ANSWER: a POINTS: 1 REFERENCES: Section 20.6 What are stramenopiles? KEYWORDS: Bloom's: Remember
36. Like plants, and unlike most other green algae, cells divide their cytoplasm by cell plate formation and have plasmodesmata (cytoplasmic connections between neighboring cells). a. Chlamydomonas b. Volvox c. charophyte d. sea lettuce e. Ulva ANSWER: c POINTS: 1 REFERENCES: Section 20.7 Which protists are closest to plants? KEYWORDS: Bloom's: Understand NOTES: New
37. Freshwater algae belong to which group? a. red algae b. green algae c. dinoflagellates d. brown algae e. golden algae ANSWER: b POINTS: 1 REFERENCES: Section 20.7 Which protists are closest to plants? KEYWORDS: Bloom's: Remember
38. The algal group most like green plants is the: