Download practice test 2 - Iowa State University

Leader:
Course:
Instructor:
Date:
Bio 211:
Exam 2 Review
Supplemental Instruction
Iowa State University
Aubrie
Biology 211 (2)
Hofmockel
9/19/2010
1. What is true about protists?
a. They are prokaryotes
b. They are eukaryotes
c. They can be vectors for diease
d. They have a nucleoid region
e. B and C
f. C and A
g. D and B
2. ________ is engulfed by a larger prokaryote and forms ______. This is known as
_________.
a. Heterotrophic eukaryote; green algae; secondary endosymbiosis
b. Heterotrophic eukaryote; red algae; a dinoflagellate
c. Green algae; euglenid; secondary endosymbiosis
d. Red algae; an endosymbiont; an apicomplexan
3. Trypanosoma, the disease known as _______ _, is associated with the _______ protist
group.
a. Pfisteria; dinoflagellates
b. Sleeping sickness; kinetoplastids
c. Malaria; mosquitos
d. Chlamydomonas; Oomycetes
4. How do dinoflagellate blooms affect ecosystems?
a. They use up all the nutrients in the water, killing everthing else
b. Their silicate shells accumulate and are used in agriculture against unwanted
insect pests
c. They form the basis of coral reef ecosystems
d. They emit a toxin that gives fish large open sores and hurts other marine
organisms
5. Golden Algae and Brown algae:
a. Are in two different clades
b. Are both in clade alveolata
c. Both have hairy and smooth flagella
d. Do not photosynthesize
6. Membrane-bound sacs are characteristic of
a. Ciliates
b. Diatoms
c. Charophytes
d. Both A and B
Supplemental Instruction
1060 Hixson-Lied Student Success Center  294-6624  www.si.iastate.edu
7. Which of these groups is closest related to plantae?
a. Embryophytes
b. Charophytes
c. Chlorophytes
d. Red algae
8. Charophytes are related to plants in all of the following ways EXCEPT:
a. They have an apical meristem
b. Formation of Phragmoplast
c. Peroxisome enzymes
d. Rose-shaped complexes that synthesize cellulose
9. The sporophyte goes through _______ to produce _________
a. Meiosis; diploid spores
b. Mitosis; haploid spores
c. Meiosis; haploid spores
d. Mitosis; diploid spores
10. What generation(s) of the hepatophytes can photosynthesize?
a. The gametophyte only
b. The sporophyte only
c. The gametophyte and the sporophyte
d. All haploid cells can photosynthesize in hepatophytes
11. Which of the following characteristics do mosses, liverworts, and hornworts share?
a. reproduction in gametangia; embryos
b. vascular tissues, true leaves, and a waxy cuticle
c. seeds
12. Fern gametophytes are _____.
a. photosynthetic diploid organisms
b. produced from haploid gametes
c. part of the asexual life cycle
d. free-living, multicellular organisms
e. found on the underside of fern leaves (fronds)
13. Which of the following is not common to all phyla of vascular plants?
a. The development of seeds
b. alternation of generations
c. dominance of the diploid (sporophyte) generation
d. xylem and phloem
e. sporophyte that is independent of the gametophyte
14. Peat moss is ecologically important because
a. It can be used in agriculture to prevent flooding
b. It can store water and nutrients so different animals can feed on it
c. It captures carbon dioxide and helps fight global warming
d. It has large potential to be a biofuel and is predicted to outcompete ethanol
15. Walking in a forest I find a plant whose dominant stage is the gametophyte, it must be
a(n)
a. Angiosperm
b. Gymnosperm
c. Pterophyte
d. Bryophyte
16. Which organisms are capable of producing a "red tide"?
a. dinoflagellates
b. diatoms
c. amoebozoans
d. euglenids
e. red algae
17. Which protists have long, hairy flagella?
a. alveolate
b. euglenozoans
c. amoebozoans
d. stramenopiles
e. radiolarians
18. Which of the following is diploid?
a. the archegonia of a moss
b. a cell in the gametangia of a moss
c. a cell that is part of the stalk of a moss sporophyte
d. a spore produced by a sporophyte
19. In vascular plants,
a. xylem conducts nutrients
b. phloem conducts nutrients
c. xylem is made of cellulose
d. phloem and xylem both conduct nutrients
20. Gemmae enable _________ in hepatophytes:
a. photosynthesis
b. mitosis
c. asexual reproduction
d. water retention