1. Most unicellular organisms that have a nucleus would be

A. eukaryotic and have cilia.
B. prokaryotic and have ribosomes.
C. prokaryotic and have chlorophyll.
D. eukaryotic and have mitochondria.

2. Which of the following is mismatched?

A. Digestive — protist-like.
B. Ingestive — animal-like.
C. Absorptive — fungus-like.
D. Photosynthetic — plant-like.

3. Which is the BEST description of plankton?

A. Floating plants.
B. Microscopic aquatic organisms.
C. Marine photosynthetic organisms without roots.
D. Floating organisms that are at the mercy of the currents.

4. What feature of a paramecium is used to classify it into its phylum?

A. Cilia.
B. Oral groove.
C. Food vacuole.
D. Contractile vacuole.

5. Which of the following is the BEST description of the movement of a paramecium?

A. Gliding.
B. Floating.
C. Spiraling.
D. Crawling.

6. What happens to a food vacuole once it is formed?

A. It leaves via the gullet.
B. It fuses with a lysosome.
C. It becomes a contractile vacuole.
D. It becomes attached to the oral groove.

7. What phylum does an ameba belong to?

A. Phylum Ciliphora.
B. Phylum Sarcodina.
C. Phylum Pyrrophyta.
D. Phylum Zoomastigina.

8. Which of the following BEST describes the functions of pseudopodia?

A. Ingestion and digestion.
B. Movement and ingestion.
C. Reproduction and ingestion.
D. Movement and reproduction.

9. Conjugation is considered to be

A. sexual because new genetic combinations are produced.
B. asexual because no new genetic combinations are produced.
C. sexual because it requires a male and female of the same species.
D. asexual because organisms can conduct conjugation independently.

10. Which of the following is a correct description of reproduction by ameba?

A. sexually when conditions are poor.
B. sexually when conditions are good.
C. asexually when conditions are poor.
D. by forming cysts when conditions are good.

11. During the Plasmodium life cycle, where do the sporozoans mature?

A. Liver cells.
B. Red blood cells.
C. Human blood stream.
D. Mosquito salivary glands.

12. Which phylum of protists is LEAST likely to have flagella?

A. Phylum Sarcodina.
B. Phylum Pyrrophyta.
C. Phylum Zoomastigina.
D. Phylum Euglenophyta.

13. When light shines on water containing Euglena, the Euglena will most likely swim

A. towards it using their flagella.
B. away from it using their flagella.
C. towards it by eugleoid movement.
D. away from it by euglenoid movement.

14. Rapid reproduction by photosynthetic protists producing “blooms” may also cause significant

A. depletion of both CO2 and O2.
B. production of both CO2 and O2.
C. depletion of CO2 and production of O2.
D. depletion of O2 and production of CO2.

15. Red tide is poisonous because the

A. water contains toxins produced by protists.
B. shellfish accumulate toxins produced by the protists.
C. protists are dying at a high rate polluting the ocean shores.
D. shellfish are dying at a high rate polluting the ocean shores.

16. Into which phylum are diatoms classified?

A. Phylum Pyrrophyta.
B. Phylum Chrysophyta.
C. Phylum Euglenophyta.
D. Phylum Acrasiomycota.

17. Which phylum of protists is NOT polymorphic?

A. Phylum Sporozoa.
B. Phylum Pyrrophyta.
C. Phylum Myxomycota.
D. Phylum Acrasiomycota.

18. What causes acrasiomycotes to develop into spore-producing structures?

A. Attraction to cAMP, which is released in poor feeding conditions.
B. Attraction to cAMP, which is released in good feeding conditions.
C. Repulsion from cAMP, which is released in poor feeding conditions.
D. Repulsion from cAMP, which is released in good feeding conditions.

19. Which pathogen and disease is mismatched?

A. Gonyaulax — red tide.
B. Entameba — dysentry.
C. Giardia — beaver fever.
D. Trypanosome — malaria.

20. Which vector (carrier) and pathogen are mismatched?

A. Mosquito — malaria.
B. Fly — Chagas disease.
C. Fly — sleeping sickness.
D. Mosquito — amebic dystentry.