1. The micronucleus of the paramecium is involved in _______.
a) metabolism  b)binary fission  c) conjugation  d) trapping prey  e)osmosis

2. The process in which genetic material is exchanged in the paramecium is referred to as:
a) binary fission    b) oral grooves    c) macronucleus  d) conjugation

3. Kingdom Protista includes ______
a) Amoeba    b)  Trypanosoma    c)  Paramecium    d)  all the above

4. Amoebas move and feed extensively by use of _____ which extends out from the cytoplasm.
a)  pellicles    b)  spicules  c)  pseudopodia    d)  food vacuoles

5. Sponges use ____ to create a water current in the spongocoel and capture food.
a)  sponging    b)  asconoid    c) spicules    d)  choanocytes

6. Three types of body plans sponges exhibit are leuconoid, syconoid and _____.
a)  porifera    b)  asconoid    c)  mesenchyme   d)  spongnoid

7. Phylum _____ have nematocysts  that are used for defense and capturing prey.
a)  Porifera    b)  Cnidaria    c) Zoomastigina    d) Nematoda

8. Phylum Cnidaria contains three classes. Corals and sea anemones belong to class
a)  Hydrozoa    b)  Anthrozoa   c) Pseudozoa  d)  Scyphozoa

9. Two body types in Phylum Cnidaria are  _____ and _____.
a)  multicellular, unicellular    b)  polyp, medusa    c)  cilia, flagella  d)  radial, bilateral

10. The hydra is a ____ or attached form.
a)  medusa b)  polyp    c) sponge

11. Comb jellies are found in Phylum ____.
a) Cnidaria    b)  Annelida    c)  Ctenophora    d)  Porifera

12. The colonial Obelia has two types of polyps, the _____ specializes in catching food.
a)  velum    b)  hydra    c)  gonangium    d)  hydranth

13. The mouth of a planarian is located on the protrusible
a)  digestive system    b)  eyespots    c)  lumen    d)  pharynx

14. Phylum Platyhelminthes have which type of body plan?
a)  acoelomate    b)  pseudocoelomate    c)  coelomate    d) leuconoid

15. A vermiform (wormlike) planarian has:
a)  segments    b) nematocysts    c)  choanocyts    d) eyespots

16. In tapeworms many _______make up the body of the worm.
Each has a uterus swollen with eggs, which will break off and pass to the outside with the feces.
a)  genital pores    b)  acetabula    c)  proglottids    d)  scolex

17. Flukes have both male and reproductive systems(in one individual).  This condition is known as ____.
a) polygamy   b)  monoecious   c)  dioecious    d)  polymorphism

18. Tape worms do not have a ______.
a)  proglottid b)  reproductive system   c)  digestive system   d)  head

19. In Nematodes the fluid-filled pseudocoel functions as a _____.
a)  hydrodrostatic skeleton   b)  blastocoel   c)  fusiform body   d)  epidermis

20. Nematodes are significantly important to humans and unimportant to domestic plants.   a)  True  b)  False

21. The lavae of this organism might be found in cyst form in skeletal muscle.
a)  Trichinella spiralis  b)  Ascaris lumbricoides   c)  Aurelia   d)  Amoeba

22. Phylum ____ include earthworms, leeches and polycheates.
a)  Nematoda   b)  Platyhelminthes   c)  Annelida   d)   Cnidaria

23. The phylum Zoomastigina is characterized by the organisms having a single ______.
a) cilia    b)  flagella    c)  nuclei    d) pseudopodia e) pedicle

24. Parapodia  are paired lateral appendages that are located on the trunk segment of :
a)  polychaetes   b)  oligochaetes   c)  leeches   d)  paramecium

25. The ____increases the absorptive surface area of the earthworms digestive tract by the folding inward of the intestines.
a)  nephridia   b)  cuticle   c)  typhlosole   d)  peritoneum

26. A dioecious organism has_____.
a)  both reproductive organs b)  either male OR female reproductive organs

27. Lumbricus terrestris  has _____
a)  5 hearts   b)  a true coelom   c)  crop   d) all the above.

28. Class Oligochaeta includes:
a) tapeworms   b)  pinworms   c) earthworms  d)  none of the above

29. The large structure on Lumbricus, which is easily seen externally and functions in reproduction is the _____.
a)  seminal vesicle   b)  clitellum   c)  intestine    d)  gizzard

30. Humans in oriental countries perpetuate the cycle of the Chinese Liver Fluke by eating raw, infected fish and then contaminating water with human feces containing the fluke     a) True   b)  False

31. Phylum Ciliophora depends upon ____ as a means of locomotion.
a)  flagella   b)  cilia   c)  pelliciles   d)  pseudopodia

32. Paramecium sp.  Reproduction by binary fission is referred to as ____reproduction.
a)  sexual   b)  conjugation.  c)  asexual  d)  segmentation

33. Which phylum depends on short-hairlike structures for locomotion and has macro and micronucleus?
a)  Rhizopoda   b)  Paramecium  c)  Ciliophora  d)  Zoomastigina

34. Specialized, flagellated collar cells in sponges create water currents and trap food are referred to as ______.
a)  spongocoels   b)  choanocytes   c)  spicules   d)  amoebocytes

35. Asconoid, leuconoid, synconoid are three body types of the phylum ___.
a)  Porifera   b)  Paramecium  c)  Ciliophora  d)  Zoomastigina

36. Water enters a member of Phylum Porifera  through intercellular pores called __.
a)  incurrent canals   b)  osculum   c)  ostia   d)  medusa

37. The common bath sponge has an endoskeleton which is composed of protein fibers called ___.    a)  leuconoids   b)  spongin  c)  spicules  d)  osclua

38. Hydras and jellyfish are members of what phylum?
a)  Platyhelminthes   b)  Porifera  c)  Animalia  d) Cnidaria

39. Polymorphism occurs within Phylum Cnidaria.  The free living, cup-shaped body type is called _____. a) medusa  b)  bud  c)  polyp  d) hydranth

40. The polyp in the colonial Hydrozoan Obellia which specializes in catching food is called the ___.  a)  velum   b)  hydra   c)  gonangium  d)  hydranth

41. Metagenesis refers to ______.  a) reproduction by budding   b)  colonies with several kind of polyps   c)  alternation of sexual and asexual generations
d)  organisms with both male and female reproduction systems.

42. What is the correct sequence indicating the order of increasing complexity?
a)  Porifera, Cnidaria, Annelida   b)  Protista, Cnidaria, Porifera   c) Porifera, Platyhelminthes, Cnidaria

43. Human blood  flukes have both male and female reproduction systems.  This condition is known as _____.
a)  monoecious   b)  dioecious  c)  polymorphism   d)  metagenesis

44. Phylum Platyhelminthes has three classes.  Which is(are) not parasitic?
a)  Cestoda  b)  Trematoda   c)  Turbellaria   d)  both a & c

45. True or False tapeworms lack a digestive system  a) True   b)  False

46. In the class Cestoda the _____ proglottid has a uterus swollen with eggs which will break off and pass to the outside with the feces.
a)  mature   b) immature   c)  gravid   d)  scolex

47. What term refers to the "belly" or "bottom" surface of a bilateral organism?
a)  dorsal   b)  aboral   c)  posterior  d)  ventral

48. Planarians have which type of body plan?
a)  pseudocoelomate   b)  coelomate  c)  acoelomate

49. Which phylum is comprised of segmented worms?
a)  Cestoda    b)  Annelida   c)  Nematoda   Zoomastogina

50. The organ of an earthworm, which breaks up food with the aid of small soil particles, is the ________.
a) crop   b)  gizzard   c)  coelom  d)  lumen

51. Leeches are members of the class  ______.
a)  Hirudinea   b)  Annelida   c)  Animalia   d)  Turbellaria

52. The circulatory system of an earthworm is _____.
a)  closed   b)  open   c)  neither   d)  pseudo-open

53. Nematodes have a pseudocoel,  it is not a true body cavity since ……..
a)  it does not contain the organs   b)  it is not retained in the adult stage
c) it is not lined with mesodermal tissue.  d)  none of the above

54. Acoelomate, pseudocoel, coelomate -- is this the correct evolutionary sequence?
a) True   b)  False

55. Division of a body into segments is called _____.
a)  typhlosole   b)  segementation   c)  metagenesis   d)  metamerism

56. Parapodia and a well defined head (often has eyes and tentacles) is characteristic of the class  ______.
a)  Polychaeta   b)  Oligocheata   c)  Anthozoa   d)  Hirudinea

57. The earthworm has many microscopic nephridiopores.  Their function is _____.
a)  locomotion    b)  excretion   c)  respiration  d)  digestion

58. Encysted  larva of the Trichinella spiralis are located in their host’s _____tissue.
a)  liver  b)  intestine   c)  blood   d)  muscle

59. The female round worm is usually smaller and has a curved tail.
a)  True   b)  False

60. ___________ are organisms that were once extensively used for medicinal purposes (sometimes to the detriment of the patients).
a)  Trypanosoma   b)  Leeches   c)  Oligochaeta   d)  none of the above

Answers     Exam I     Practice Test
1 c  21 a  41 c
2 d  22 c  42 a
3 d  23 b  43 a
4 c  24 a  44 c
5 d  25 c  45 a
6 b  26 b  46 c
7 b  27 d  47 d
8 b  28 c  48 c
9 b  29 b  49 b
10 b  30 a  50 b
11 c  31 b  51 a
12 c  32 c  52 a
13 d  33 c  53 c
14 a  34 b  54 a
15 d  35 a  55 d
16 c  36 a  56 a
17 b  37 b  57 b
18 c  38 d  58 d
19 a  39 a  59 b
 20 a  40 d  60 b