SI Practice Exam II
(Exam II will cover from seedless vascular plants through phylum Rotifera)
Visual Identification (1-6)
1. This lichen exhibits which growth form?
a. Fruticose
b. Foliose
c. Crustose
d. Thalloid
e. Geometric
2. The indicated structure can be found in all members of which phylum?
a. Anthophyta
b. Bryophyta
c. Glomeromycota
d. Ascomycota
e. Basidiomycota
3. This organism is ______and will produce ______.
a. Diploid, spores
b. Haploid, spores
c. Diploid, gametes
d. Haploid, gametes
e. None of the above
4. This is an immature ovulate cone. Within the indicated structure, you can find the
a. Megasporangium
b. Microsporangium
c. Egg
d. Sperm
e. More than one of the above
5. Which structure is derived from the ovary?
a. A
b. B
c. Neither
6. This organism has:
a. An open circulatory system and is most likely a hermaphrodite
b. An open circulatory system and is most likely unisexual
c. A closed circulatory system and is most likely a hermaphrodite
d. A closed circulatory system and is most likely unisexual
e. None of the above
7. Flagellated sperm which must swim through external water to fertilize the egg are present in all the following Phyla EXCEPT:
a. Bryophyta
b. Anthophyta
c. Pterophyta
d. Lycophyta
e. A, C, and D
8. One trend that occurred during the evolution in the kingdom Plantae was:
a. Production of fruit then seeds
b. Reduced dependence on pollinators
c. Reduction in size of gametophyte stage
d. Reduction in size of sporophyte stage
e. Elimination of meiosis
9. Double fertilization occurs
a. In pterophyte seed production
b. In gymnosperms when 1 of 2 sperm nuclei fertilizes the polar nuclei
c. In angiosperms when 1 of 2 sperm nuclei fertilizes the polar nuclei
d. In all homosporous plants
e. B and C
10. Which phyla’s fruiting body exhibits dikaryotic, septate hyphae?
a. Zygomycota
b. Basidiomycota
c. Deuteromycota
d. A & B
e. None of the above
11. Platyhelminthes are more advanced than cnidaria because:
a. Platyhelminthes have a coelom.
b. They have radial symmetry, cnidarians are bilateral.
c. They have a complete digestive system, cnidarians don't.
d. Platyhelminthes are cephalized and have eye spots.
e. Actually cnidarians are more complex.
12. The following are all lophotrochozoans except:
a. Rotifera
b. Platyhelminthes
c. Ectoprocta
d. Mollusca
e. More than one of the above
13. In members of which of the following classes could you find an incomplete digestive system?
a. Gastropoda
b. Turbellaria
c. Cnidaria
d. More than one, but not all of the above
e. All of the above
14. Which of the following classes are composed primarily of parasites?
a. Cestodia
b. Hirudinea
c. Trematoda
d. A & C only
e. All of the above
15. The (adult) members of which class lack a digestive system?
a. Cestoidia
b. Pogonophorans
c. Hirudunea
d. A & B only
e. All of the above
16. What is a major characteristic of parasitic life cycles?
a. A body with a scolex
b. High reproductive out put
c. Consuming a large amount of its host’s nutrients
d. Causing the death of the host
e. More than one of the above