Download 02-27-12 Mock Exam II 1. (True/ False) The breakdown of

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Mock Exam II
1. (True/ False) The breakdown of bicarbonate produces hydrogen ions that participate in cation exchange
in the soil.
2. (True/ False) Water provides only one type of organic compound to the plant
3. (True/False) Hagfish is a craniate with a jaw.
4. (True/ False) Phylum Mollusca contains the only pseudocoelomate we talked about.
5. (True/ False) Marine worms are in Phylum Annelida, Class Oligochaeta.
6. (True/False) All chordates are vertebrates.
7. (True/False) In most insects, gas exchange is accomplished by a tracheal system.
8. (True/False) In the first step of cation exchange, the root hairs release water and carbon dioxide, which
forms carbonic acid in the soil.
9. (True/False) A micronutrient is an essential element.
10. (True/False) Sponges are hermaphrodites.
11. (True/False) Hagfish are the most primitive surviving craniates lineage
12. (True/False) When the operculum is closed, the floor of the buccal cavity and the opercular cavity is
raised, pushing water across the gills.
13. (True/False) Amphibians are tetrapod.
14. (True/False) In Deuterostomes, the blastopore becomes the mouth
15. (True/False) Spiracles are the openings of the tracheal system of an insect.
16. Which of the following statements is false about the bulk movement of phloem sap?
a. Phloem sap is pulled from sugar source to sugar sink by negative pressure.
b. Sugar becomes starch in the sugar sink.
c. Near the sugar source, water moves into the sieve tube element.
d. The sugar sink describes the part of the plant where sugar is consumed or to be stored.
e. All of the above statements are true.
17. Topsoil is composed of:
a. Soil particles
b. Humus
c. Living organisms
d. Both A and B
e. All of the above
18. Complete metamorphosis:
a.
b.
c.
d.
Is seen in grasshoppers and cockroaches
Features a larval stage that looks different from the adult
Does not include a pupa stage
Describes a series of molts in an insect’s life cycle. With each molt, the insect gradually
comes closer to sexual maturity.
e. All of the above
19. The only vertebrate parasite is:
a.
b.
c.
d.
e.
Hagfish
Seastar
Lamprey
Stingray
Shark
20. The most fertile type if soil is usually
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a. Sand, large particles allow room for air spaces
b. Loam, has mixture of the fine and coarse particles
c. Clay, the fine particles provide much surface area to which the minerals and water adhere
d. Humus, which is decomposing organic material
e. Moist and alkaline
21. Which is not true concerning sponges?
a. Lack true tissues
b. Lack symmetry
c. Contain an osculum
d. Contain mesoglea
e. Have digestive choanocytes
22. Which phylum is the parasite that causes Schistosoma found within?
a. Phylum Annelida
b. Phlyum Nematoda
c. Phylum Platyhelminthes
d. Phylum Cephalopoda
e. none of the above
23. Which of the following does not have an open circulatory system?
a. Phylum Mollusca
b. Phylum Annelida
c. Phylum Arthropoda
d. A and B
e. All of the above have an open circulatory system.
24. A major characteristic of arthropods is:
f.
g.
h.
i.
j.
Radial symmetry
A psedocoelom
A chitinous exoskeleton
A radula
All of the above
25. A nerve net can be found on which of the following animals?
a. Flatworm
b. Jellyfish
c. Snail
d. Starfish
e. Octopus
26. __________ are ions in the soil that are attracted to the __________ charged soil particles. When
it rains heavily, _________ are leached from the soil.
a.Anions, positively, cations
b. Anions, negatively, anions
c. Cations, positively, anions
d. Cations, negatively, cations
e. Cations, negatively, anions
27. Nitrifying bacteria converts:
a. Nitrogen gas to ammonium
b. Ammonia to nitrate
c. Ammonium to nitrate
d. Nitrogen gas to ammonia
e. None of the above
28. Which of the following is not found in all chordates?
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a. Nerve cord
b. Vertabrae
c. Phayngeal gill slits
d. Notochord
e. Muscular post-anal tail
29. Metanephridia are found in animals of what phylum?
a. Mollusca
b. Annelida
c. Chordata
d. Echinodermata
e. Cnidaria
30. Choanocytes:
a. Are mobile cells
b. Synthesize spicules made of calcium carbonate or silica
c. Are found in the mesophyl
d. Are flagellated
e. Are found in cnidarians
31. Tapeworms are found in phylum ________ and class __________.
a. Annelida, oligochaeta
b. Annelida, hirudinea
c. Nematoda, polychaeta
d. Platyhelmenthes, trematoda
e. Platyhelmenthes, cestoda
32. Consider the following list of animals: giant squid, earthworm, largemouth bass, snail, tapeworm,
hydra, and starfish. The two that belong in the same phylum are __________, and their phylum is
__________.
a.
b.
c.
d.
e.
Bass and squid, mollusca
Earthworm and tapeworm, annelida
Hydra and starfish, echinodermata
Squid and snail, mollusca
Bass and starfish, chordate
33. ___________ are members of phylum ____________ and feed by ___________.
a.
b.
c.
d.
e.
Sponges, Cnidaria, filter feeding.
Slugs, Mollusca, a radula
Bivalves, Annelida, a lophophore
Flukes, Platyhelmenthes, a radula
Earthworm, Annelida, their metanephridia
34. Which of the following is not an amniote?
a.
b.
c.
d.
e.
Reptiles
Mammals
Amphibians
Birds
All of the above are amniotes
35. Which extraembryonic membreane of an egg stores nitrogenous wastes?
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a.
b.
c.
d.
e.
Chorion
Allantios
Yolk sac
Amnion
Hemolymph
36. The majority of animal species are:
a. Chordates
b. Marine
c. Arthropods
d. Vertebrates
e. Radially symmetrical
37. Hagfish use _________ for defense.
a. Stinging cells
b. Camouflage
c. Ejecting ink
d. Slime
e. None of the above
38. Some sharks are viviparous, which means that:
a. The young develop within the female’s body
b. They lay eggs
c. They maintain a constant body temperature
d. They have a cartilaginous skeleton
e. The eggs are retained in the mother’s uterus.
39. A feature found in bony fish but not in sharks is:
a.
Gills
b.
Pelvic and pectoral fins
c.
A swim bladder
d.
All of the above are found in both bony fish and sharks
e.
None of the above
40. A spiral valve in the intestine is a characteristic of:
a. Snails
b. Hagfish
c. Sharks
d. Tapeworms
e. Starfish
41. Most members of class reptilia are ectothermic. Therefore:
a. They derive their body heat from an external source
b. They have a low metabolic rate
c. Most reptiles have an ectoderm protected by a shell.
d. All of the above
e. Both A and B only
42. A __________ is a chordate but not a vertebrate.
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a.
b.
c.
d.
e.
Lamprey
Shark
Lancelet
Sea star
Frog
43. Which of the following is not triploblastic?
a.
b.
c.
d.
e.
A flatworm
A sea star
A jellyfish
A human
A shark
44. All Molluscs have all of the following except:
a.
b.
c.
d.
e.
Mantle
Visceral mass
Radula
Muscular foot
All of the above are a feature of all mollusks
45. In the life cycle of a blood fluke, the ciliated larvae:
a.
b.
c.
d.
e.
Is the larval form that forms after it asexually reproduces in the snail
Lives in the blood vessels of the human intestine
Swims to a human standing in the water and burrows into the skin
Infects a snail
Forms cysts in the snails muscle tissue
46. Which of the following is not a characteristic of Echinoderms?
a.
b.
c.
d.
e.
True coelom
Regenerative
Have an endoskeleton
Have a madreporite
All of the above are characteristics of echinoderms
47. Which of the following is a characteristic of hagfish but not lampreys?
a.
b.
c.
d.
They lack jaws
They lack appendages
They lack vertebrae
They are marine
e. All of the above are characteristics of both hagfish and lampreys
48. In what stage of metamorphosis will there be the highest amount of thyroid hormone?
a.
b.
c.
d.
Premetamorphosis
Prometamorphosis
Climax
Postmetamorphosis
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e. The thyroid hormone level stays at a constant level