Biology, Test Chapter 19
D
A protist that lacks contractile vacuoles, cannot locomote, and is parasitic can be classified as a(n) A. Amoeba. B. Euglena. C. Paramecium. D. Sporozoan.
B
Amoebas extend their plasma membranes to feed and move. What are those extensions called? A. Flagella B. Pseudopods C. Webs D. Vacuoles
T
In Figure 19-1, the sporophyte generation is diploid.
B
Organelles called contractile vacuoles enable a paramecium to _________. A. Dissolve nutrients for energy. B. Get rid of excess water and waste products. C. Maintain a constant temperature. D. Pump salt into their cytoplasm.
B
Red tides can be fatal go humans if they eat A. Eels. B. Shellfish. C. Squid. D. Trout.
D
What are the structures labeled 4 on the paramecium? A. Contractile vacuoles B. Oral grooves B. Food vacuoles D. Cilia
C
What do funguslike protists contain that true fungi do not contain? A. Nuclei B. Flagella C. Centrioles D. Cytoplasm
A
What is the function of structure number 2 in the picture? A. Expels water to maintain homeostasis B. Discharges a pinelike structure C. Digests food D. Contains the cell's genome
C
What is the name for the flexible, tough, outer membrane euglenoids have instead of a cell wall? A. Eye spot B. Mitochondria C. Pellicle D. Vacuole
C
What is the name of the feeding stage of an acellular slime mold? A. Bladder B. Gullet C. Plasmodium D. Sporangium
D
What is the name of the pigment that gives red algae their characteristic color? A. Carotenoids B. Chlorophyll C. Fucoxanthin D. Phycoblinis
B
Which of the following is NOT a phylum of fungus-like protists? A. Acrasiomycota B. Ciliophora C. Myxomycota D. Oomycota
B
Which of the protists shown in Figure 19-2 would use a pseudopod? A. a diatom B. an amoeba C. a paramecium D. ??? leaf thing
C
Which phylum classifies all amoeba species? A. Apicomplexa B. Ciliophora C. Sarcodina D. Zoomastigina
A
Acellular slime molds are so named because they go through a phase in their life cycle in which the nucleus divides but no ______ form. j A. Cell internal walls B. Cytoplasm C. Mitochondria D. Vacuoles
D
Algae blooms and red tide are caused by protists from phylum __________. A. Bacillariophyta. B. Chrysophyta. C. Euglenophyta. D. Pyrrophyta.
C
Algae differ from plants because they do not have _________. A. Chloroplasts, roots, and stems. B. Leaves, pigments, and roots. C. Leaves, roots, and stems. D. Pigments, roots, and stems.
B
An intricately shaped plantlike protist consisting of two halves is called a(n) ______________. A. Chrysophyte B. Diatom C. Dinoflagellate D. Euglenoid
F
The gametes in Figure 19-1 are formed in the gametophyte generation, which is diploid.
F
The zygote in Figure 19-1 develops into the gametophyte.
B
To which factor can the differences in algae color be attributed? A. Light B. Pigments C. Organelles D. Spores
C
What do forminferans and radiolarians have that separates them from other amoebae? A. Multinucleate cells B. Cilia C. Test D. Two hosts in their life cycle
D
What will a slime mold develop as a result of altering its life cycle in response to a drought? A. Cilia B. Flagella C. Nuclei D. Sporangia
B
Which describes organisms in Kingdom Protista? A. Eukaryotes that use similar reproductive methods B. Eukaryotes with a diversity of reproductive methods C. Prokaryotes that use similar reproductive methods D. Prokaryotes with a diversity of reproductive methods
B
Which do scientists use to classify protists into groups? A. Features of their habitats B. Methods of obtaining food C. Organelles and other structures D. Size and appearance
D
Which group of animal-like protists are parasites? a. Amoebas B. Ciliates C. Algae D. Sporozoans
A
Which habitat is least likely to harbor any species of Protista? A. Desert B. Human liver C. Leaf litter D. Ocean waters
A
Which of the following are all photosynthetic protists? A. Algae B. Protozoa C. Funguslike protists D. Unicellular protists
C
Which of the following criteria is not used by algologists to classify algae? A. Composition of cell wall B. Method of food storage C. Shape of cells D. Type of chlorophyll and secondary pigments
C
Which of the following is not a likely consequence of an algal bloom? A. Depletion of nutrients in water B. Dinoflagellates die C. Oxygen supply in water increases D. Suffocation of fish
B
Why are green algae similar to green plants? A. They can have more than one nucleus in each cell. B. They have chloroplasts and store food as carbohydrates. C. They reproduce by spores. D. They both have peptiglycan in their cell walls.
B
Without contractile vacuoles, a paramecium would be unable to __________. A. Break down food into nutrients. B. Maintain an internal homeostasis. C. Pump water in from its environment. D. Repair internal damage to organelles.
C
You are collecting samples at a lake. You find a protist that is unicellular, has cilia all around it, and a deep oral groove. This organism can be classified as a(n) A. Amoeba B. Euglena C. Paramecium D. Slime mold
