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| 1 | Which of the following is characteristic of protozoa? |
 | A) | polyphyletic |
| B) | some are autotrophs |
| C) | some are heterotrophs |
| D) | all of the above (a-c) |
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| 2 | Reproduction in protozoa involves |
| A) | binary fission. |
| B) | asexual reproduction. |
| C) | sexual reproduction. |
| D) | all of the above (a-c). |
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| 3 | Asexual reproduction that occurs in protozoa includes all of the following except |
| A) | budding. |
| B) | schizogony. |
| C) | multiple fission. |
| D) | conjugation. |
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| 4 | The type of symbiotic relationship where both species benefit is termed |
| A) | parasitism. |
| B) | commensalism. |
| C) | mutualism. |
| D) | symbiosis. |
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| 5 | The specialized region in protozoa that is analogous to a mouth is the |
| A) | vacuole. |
| B) | cytopyge. |
| C) | food vacuole. |
| D) | cytopharynx. |
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| 6 | The phylum Axostylata has all of the following characteristics except |
| A) | unicellar or colonial. |
| B) | locomotion by flagella, pseudopodia, or both. |
| C) | autotrophic, saprozoic, or heterotrophic. |
| D) | apical complex for penetrating host cells. |
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| 7 | Which of the following do not belong to the phylum Chlorophyla? |
| A) | Gymnodinium |
| B) | Euglena |
| C) | Trypanosoma |
| D) | Volvox |
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| 8 | Sleeping sickness in humans is caused by |
| A) | trypanosomes. |
| B) | Amoeba. |
| C) | euglenoids. |
| D) | all of the above (a-c). |
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| 9 | Which of the following is not a type of pseudopodium found in the amoebae? |
| A) | lobopodia |
| B) | filopodia |
| C) | reticulopodia |
| D) | rizopodia |
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| 10 | Which of the following is not a marine protozoan? |
| A) | foraminiferans |
| B) | heliozoans |
| C) | radiolarians |
| D) | Giardia |
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| 11 | When schizogony produces merozoites, it is called |
| A) | gametogony. |
| B) | merogony. |
| C) | sporogony. |
| D) | sexual reproduction. |
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| 12 | In the life cycle of Plasmodium, merozoites are formed in the |
| A) | mosquito gut. |
| B) | red blood cells. |
| C) | liver. |
| D) | spleen. |
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| 13 | The disease pebrine that occurs in silk worms is caused by members of the phylum |
| A) | Myxozoa. |
| B) | Acetospora. |
| C) | Microspora. |
| D) | Ciliophora. |
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| 14 | Toxoplasmosis is a common disease that often occurs in AIDS patients. |
| A) | True |
| B) | False |
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| 15 | In ciliated protozoans, the defensive structures are the trichocysts. |
| A) | True |
| B) | False |
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| 16 | Ciliates reproduce sexually by binary fission. |
| A) | True |
| B) | False |
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| 17 | Based on ribosomal RNA sequences, the protozoans appear to be a polyphyletic group. |
| A) | True |
| B) | False |
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| 18 | Based on 18S ribosomal RNA sequences, the microsporans are closely related to the ciliates. |
| A) | True |
| B) | False |
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| 19 | Most ciliates are free living. |
| A) | True |
| B) | False |
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| 20 | Ciliates have four kinds of nuclei. |
| A) | True |
| B) | False |
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| 21 | Cilia are generally similar to flagella except that they are much longer. |
| A) | True |
| B) | False |
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| 22 | The most important species in the phylum Apicomplexa are members of the class Coccidea (e.g., Plasmodium). |
| A) | True |
| B) | False |
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| 23 | Giardiasis is contracted by drinking untreated water from streams and lakes, typically in mountainous areas, particularly where there are a great number of hikers and back-packers. |
| A) | True |
| B) | False |
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| 24 | Tsetse flies are the intermediate host for the protozoan (Giardia spp.) that causes giardiasis. |
| A) | True |
| B) | False |
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| 25 | Volvox is a colonial protozoan. |
| A) | True |
| B) | False |