BIOLOGY

16. What term best describes the following organisms: some with tetramembraneous chloroplasts, some with hairy flagellae, some with pseudopods; some with cuplike indentations in the cell membrane?

a) Excavata.

b) SAR.

c) Plantae.

d) Unikonta.

17. The term protista refers to :

a) A kingdom within the superkingom SAR.

b) A kingdom within the superkingdom Excavata.

c) It is a descriptive term or common name for unicellular, colonial, and some multicellular organisms that lack true tissues.

d) A phylum within the Kingdom Metazoa.

18. Which term best describes the following organism: a unicellular (single celled) eukaryote that has a single large mitochondrion, and causes Chagas disease or sleeping sickness.

a) Hypermastigophora.

b) Diplomonada.

c) Algae.

d) Trypanosoma.

e) Rhizopoda.

19. Which term does not describe a unicellular, photosynthetic, algae?

a) Apicomplexan.

b) Diatom.

c) Dinoflagllate.

d) Euglenoid.

20. What term best describes the following organism: a multicellular eukaryote with a chitinous cell wall that is an absorptive heterotroph?

a) Fungi.

b) Metazoa.

c) Plantae.

d) Excavata.

21. What term describes fungal hyphae that have two haploid nuclei in each of the cells?

a) Haploid.

b) Diploid.

c) Dikaryotic.

d) Triploid.

e) Polyploid.

22. The complete mass of fungal cell filaments that forms a fungus is called a:

a) Hypha.

b) Mycelium.

c) Spore.

23. What Division of fungi produce spores in sac-like structures, morels are an example, and many form cup-like structures in addition to the sac-like sporangia?

a) Zygomycota.

b) Ascomycota.

c) Basidiomycota.

24. A lichen is best described as:

a) A plant.

b) A fungus.

c) An alga.

d) A symbiotic relationship between algae or cyanophyta; and fungi.

25. The Oomycota and slime molds are members of the Kingdom Fungi.

a) True.

b) False.

26. Into which taxon would you classify the following organism: a multicellular eukaryote, with a cellulose cell wall, that is photosynthetic, and has a number of tissues?

a) Excavata.

b) SAR.

c) Metazoa.

d) Plantae.

27. Which statement is not true of plant alternation of generations?

a) A gametophyte makes gametes.

b) A sporophyte is 2n.

c) A spore fuses with another spore to form a diploid zygote.

d) A spore is haploid (n).

28. Which tissue is considered a “dead” tissue lacking cytoplasm, cell membranes, nuclei, and other cellular organelles, and is responsible for transpiration of water from roots to leaves?

a) Xylem.

b) Phloem.

29. In phloem, which cells actually translocate sugars?

a) Sieve elements.

b) Companion cells.

30. Which of the following is not required for transpiration of water through xylem?

a) Root pressure.

b) ATP.

c) Evaporative pressure.

d) Capillary action.

31. Which of the following is not required for the translocation of sugars through phloem?

a) Sugars are loaded at a “source” such as leaves.

b) Sugars are unloaded at a “sink” such as the root.

c) ATP.

d) Evaporative pressure.

32. Which statement is true of Bryophytes, the mosses?

a) They are seed producers.

b) They are vascular, i.e. have xylem and phloem.

c) They require water for fertilization.

d) They are sporophyte dominant.

33. Which statement is true of Pterophytans, the ferns?

a) They are seed producers.

b) They require water for fertilization.

c) They are avascular, i.e. they lack xylem and phloem.

d) They are gametophyte dominant.

34. Which statement is true of Conifers?

a) They are seed producers.

b) They require water for fertilization.

c) They are avascular, i.e. they lack xylem and phloem.

d) They are gametophyte dominant.

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