Chapter 12

11 September 2022
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1) The fusion of two gametes produces a A) zygote. B) schizont. C) chromatid. D) centromere. E) merozoite
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A)
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5) Which of the following pairs is MISMATCHED? A) animals; usually diploid B) fungi; usually diploid C) protozoa; usually diploid D) slime mold; usually haploid E) plants; usually diploid
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B)
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9) Which of the following pairs is MISMATCHED? A) Diplomonadida; two nuclei B) Rhizaria; pseudopodia C) Parabasala; two mitochondria D) Euglenids; flagellum E) Ciliophora; cilia
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C
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10) Which of the following is a protozoan stage that allows for transmission of intestinal parasites from one host to another? A) cyst B) merozoite C) schizont D) foraminifera E) kinetoplast
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A
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11) Single-celled eukaryotes lacking a cell wall are A) protozoa. B) fungi. C) algae. D) insects. E) water molds.
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A
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15) Which of the following is a protozoan with two nuclei and no mitochondria? A) Plasmodium B) Paramecium C) Euglena D) Giardia E) Trichomonas
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D
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16) Which of the following has NOT been a basis for classification of the protozoa? A) means of locomotion B) genetic sequences C) photosynthetic ability D) habitat E) ability to form a dormant stage
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D
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17) The ________ is the entire interwoven mass of one multicellular fungal organism. A) hyphae B) sporangium C) mycelium D) pseudoplasmodium E) conidiophore
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C
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18) The asexual spores of molds are classified according to their A) size. B) type of metabolism. C) number of chromosomes. D) shapes. E) mode of development.
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E
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19) Which of the following is a cell type associated with sexual reproduction in fungi? A) sporangiospore B) dikaryon C) haustoria D) pneumocyst E) mycorrhiza
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B
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20) Fungal spores produced asexually within a sac-like chamber at the tip of a hypha are called A) ascospores. B) basidiospores. C) sporangiospores. D) conidia. E) zygospores.
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C
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23) The large seaweed known as kelp is classified as a member of the A) Chlorophyta. B) Phaeophyta. C) Chrysophyta. D) Rhodophyta. E) Deuteromycete.
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B
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24) Hyphae are associated with which of the following? A) yeasts B) algae C) molds D) protozoa E) helminths
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C
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25) Aseptate fungi are classified as A) Basidiomycota. B) Deuteromycetes. C) Zygomycota. D) Ascomycota. E) Rhodophyta.
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C
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26) Lichens are composed of a symbiosis of fungi and which of the following? A) green algae B) cyanobacteria C) euglenoids D) cyanobacteria or green algae E) euglenoids or dinoflagellates
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D
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27) Slime molds are classified as A) amoebozoa. B) dinoflagellates. C) fungi. D) lichens. E) rhizaria.
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A
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30) Which of the following protozoa genera helps termites digest wood? A) Trichonympha B) Nosema C) Trichomonas D) Pfiesteria E) Naegleria
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A
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31) In a cell that has a diploid number of 8 chromosomes, how many chromatids will be present at the beginning of mitosis? A) 8 B) 16 C) 32 D) 4 E) 2
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B
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35) Multiple mitoses followed by a single cytokinetic event is known as A) meiosis. B) schizogony. C) coenocytic division. D) encystment. E) interphase.
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B
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37) The process in which the cytoplasm is divided between daughter cells is known as A) coenocytosis. B) budding. C) meiosis. D) cytokinesis. E) nuclear division.
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D
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41) Simple eukaryotes that carry out oxygenic photosynthesis and reproduce by means of alternation of generations are known as A) algae. B) fungi. C) slime molds. D) euglenids. E) arachnids.
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A
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42) Single-celled organisms called ciliates are A) fungi. B) protozoa. C) insects. D) algae. E) water molds.
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B
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43) Fungi called Deuteromycetes are not known to reproduce sexually. Nonetheless, most of them are considered members of the ________ on the basis of genetic sequences. A) Zygomycota B) Basidiomycota C) Ascomycota D) Sporozoa E) Rhizaria
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C
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44) Multicellular organisms with hard exoskeletons, segmented bodies and four pairs of jointed legs in the adult stage are A) algae. B) arachnids. C) insects. D) helminths. E) lice.
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B
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45) Which of the following is transmitted by mosquitoes? A) African sleeping sickness B) malaria C) ringworm D) tapeworms E) typhus
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B