NAME _________________________________
AP BIOLOGY TEST – Animals
1. Which
(A)
(B)
(C)
(D)
(E)
of the following is true of those invertebrates that are best suited to a dry-land environment?
They have a ciliated epithelium.
They obtain oxygen by way of gills.
They are supported by a firm exoskeleton.
They excrete free ammonia.
They move by contractions and expansions of the body.
AP EXAM 1973
2. In general, birds differ from mammals in that birds
(A) are homeotherms
(B) have four-chambered hearts
(C) have hepatic portal veins
(D) develop without an amnion
(E) excrete waste nitrogen as uric acid
AP EXAM 1973
3. Although the platypus lays eggs resembling those of reptiles and birds. it is classified as a mammal because it
has
(A) a four-chambered heart
(B) eustachian tubes
(C) hair
(D) a temperature-regulating system
(E) three semicircular canals in each ear
AP EXAM 1973
4. All of the following are characteristic of chordates EXCEPT
(A) a ventral nerve cord
(B) segmented body musculature
(C) a ventral heart
(D) a notochord
(E) gill slits in the anterior part of the body
AP EXAM 1973
5. In which of the following do the organisms have the closest taxonomic relationship?
(A) Man and frog
(B) Amoeba and paramecium
(C) Whale and kangaroo
(D) Crayfish and spider
(E) Snake and eel
AP EXAM 1973
6. Vertebrates became truly terrestrial with the development of the amniotic egg in
(A) fish
(B) amphibians
(C) reptiles
(D) birds
(E) mammals
AP EXAM 1986
7. Monogamy is usually more common among birds and mammals whose young are
(A) born helpless and in need of much parental care
(B) precocial and able to care for themselves
(C) hatched from among thousands of eggs
(D) nourished on milk
(E) carried by the female from conception to birth
AP EXAM 1986
8. All of the following are deuterostomes EXCEPT
(A) mollusks
(B) reptiles
(C) amphibians
(D) echinoderms
(E) mammals
AP EXAM 1986
9. Many birds, insects, and terrestrial reptiles excrete nitrogenous wastes in the form of uric acid that
(A) is synthesized in the kidneys from ammonia and CO 2
(B) forms crystals that are relatively insoluble and nontoxic
(C) readily decomposes on exposure to air
(D) is readily excreted through feathers and scales
(E) can be recycled and utilized as an additional energy source
AP EXAM 1986
10. All members of which of the following groups have the greatest number of characteristics in common?
(A) Class
(B) Order
(C) Family
(D) Genus
(E) Phylum
AP EXAM 1990
11. An organism that is eukaryotic, multicellular, heterotrophic, and lacks cell walls belongs to which of the
following?
(A) Monera
(B) Protista
(C) Fungi
(D) Plantae
(E) Animalia
AP EXAM 1990
12. Which of the following describes the correct sequence of stages during embryogenesis?
(A) Cleavage, blastula formation, gastrulation
(B) Cleavage, gastrulation, blastula formation
(C) Blastula formation, gastrulation, cleavage
(D) Blastula formation, cleavage, gastrulation
(E) Gastrulation, cleavage, blastula formation
AP EXAM 1990
13. Members of which of the following animal groups were among the first to inhabit land and were ancestors of
the reptiles?
(A) Amphibia
(B) Arthropoda
(C) Aves
(D) Mammalia
(E) Echinodermata
AP EXAM 1994
14. If an invertebrate possesses nephridia as an excretory system, skin as a gas exchange system, and a closed
circulatory system, the animal is most likely to be
(A) a snail
(B) a planarian
(C) an earthworm
(D) a grasshopper
(E) a jellyfish
AP EXAM 1994
15. Which of the following characteristics indicates that molluscs are more closely related to arthropods than
to chordates?
(A) Presence of a skeleton
(B) Type of respiratory structure
(C) Pattern of coelom formation
(D) Segmentation
(E) Symmetry
AP EXAM 1994
16. All of the following statements about animals whose nitrogenous wastes consist primarily of uric acid are
correct EXCEPT:
(A) They are usually terrestrial.
(B) They are able to conserve more water than if they excreted urea.
(C) They are at risk due to the high toxicity of uric acid.
(D) They include most birds and reptiles.
(E) They have specialized structures for uric acid storage and release.
AP EXAM 1994
17. The embryo of which of the following organisms does NOT have an amnion?
(A) a bird
(B) a turtle
(C) a lizard
(D) a fish
(E) a human
AP EXAM 1994
18. In which of the following pairs are the organisms most closely related taxonomically?
(A) Mushroom – oak tree
(B) Spider – crayfish
(C) Bacterium – paramecium
(D) Sea star (starfish) – clam
(E) Rosebush – diatom
AP EXAM 1999
19. An animal that has a high surface-area-to-volume ratio of the body, and takes in all the oxygen it needs
through its outer epithelium is most likely which of the following?
(A) a fish
(B) an earthworm
(C) a mamma1
(D) an insect
(E) a snake
AP EXAM 2002
20. An animal with anterior, posterior, dorsal, and ventral surfaces on its body must exhibit
(A) protostomic development
(B) coelomate development
(C) segmentation
(D) radial symmetry
(E) bilateral symmetry
AP EXAM 2002
21. All of the following correctly describe the fate of the embryonic layers of a vertebrate EXCEPT
(A) neural tube and epidermis develop from ectoderm
(B) linings of digestive organs and lungs develop from endoderm
(C) notochord and kidneys develop from endoderm
(D) skeletal muscles and heart develop from mesoderm
(E) reproductive organs and blood vessels develop from mesoderm
AP EXAM 2002
22. Cells that contain only circular chromosomes are most probably which of the following?
(A) Protist cells
(B) Fungal cells
(C) Bacterial cells
(D) Plant cells
(E) Animal cells
AP EXAM 2008
23. The picture above represents some stages in the early development of an embryo. In which of the stages
shows gastrulation beginning? ***
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
AP EXAM 2008
24. Which of the following characteristics is shared by echinoderms and chordates?
(A) radial symmetry
(B) dorsal hollow nerve cord
(C) deuterostome development
(D) pharyngeal gill slits
(E) spiral determinate cleavage
AP EXAM 2008
25. A characteristic shared by fungi and protists is that both are generally
(A) aerobic
(B) haploid at all stages
(C) composed of mycelia
(D) propagated by spores
(E) capable of phagocytosis
AP EXAM 2008
Questions 26-27 refer to the data below concerning a newly discovered organism.
Usual mode of reproduction:
Type of fertilization:
Embryology:
Symmetry:
Body cavity:
Skeleton:
Habitat:
Sexual
External
Blastopore contributes to the formation of anus; cleavage is radial.
Immature form is bilateral; mature form is five-part radial.
Lined with tissue derived from mesoderm Segmentation: Not evident
Spiny endoskeleton secreted by the dermis and covered with a thin epidermis
Marine
26, Which of the following pairs of terms best describes this organism?
(A) Coelomate .. deuterostome
(B) Acoelomate .. metazoan
(C) Diploblastic .. parazoan
(D) Pseudocoelomate .. segmented
(E) Protostome .. unsegmented
27. Into what phylum should this organism be placed?
(A) Chordata
(B) Nematoda
(C) Echinodermata
(D) Mollusca
(E) Annelida
AP EXAM 1994
Questions 28-30 refer to the chart below that indicates general animal body plans.
28. The body plan associated with arthropods is type
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
29. The body plan associated with nematodes is type
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
30. The body plan associated with flatworms is type
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
AP EXAM 1986
DIRECTIONS: Each group of questions below consists of five lettered headings following by a list of numbered
phrases or sentences. For each numbered phrase or sentence, select the one heading to which it is most closely
related. Each heading may be used one, more than once, or not at all in each group.
Questions 31-34 refer to the following.
(A)
(B)
(C)
(D)
(E)
Echinoderms
Annelids
Arthropods
Cnidarians (coelenterates)
Chordates
31. These organisms often have both a polyp form and a medusa form in their life cycle. (D)
32. These organisms have pharyngeal gill slits and a dorsal hollow nerve cord at some time in their development.
(E)
33. These organisms have radial symmetry and a water vascular system and are generally bottom dwellers. (A)
34. These organisms have a chitinous exoskeleton and jointed appendages. (C)
AP EXAM 2002
Questions 35-40
(A)
(B)
(C)
(D)
(E)
Hirudinea (leeches)
Protozoa
Echinodermata
Arthropoda
Cestoda (tapeworms)
35. Virtually none are parasitic. C
36. Nearly all are ectoparasites. A
37. All are endoparasites. E
38. Tracheae may be present. D
39. They occur only in marine waters. C
40. Three germ layers are absent. B
AP EXAM 1973
Questions 41-44
(A)
(B)
(C)
(D)
(E)
Cleavage
Organogenesis
Gastrulation
Neurulation
Fertilization
41. This process establishes the primary germ layers. [C]
42. Two haploid cells fuse to form a diploid cell. [E]
43. The number of cells increases, but there is no increase in total cell mass and there is little or no
differentiation. [A]
44. Cells migrate over the dorsal lip of the blastopore. [C]
AP EXAM 1990
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Questions 45-49
(A) Annelida
(B) Mollusca
(C) Arthropoda
(D) Echinodermata
(E) Chordata
45. Bilaterally symmetrical; deuterostome; dorsal hollow nerve cord [E]
46. Coelomate; exoskeleton; jointed appendages [C]
47. Pharyngeal slits; endoskeleton derived from mesoderm; ventral heart [E]
48, Internal calcareous skeleton; deuterostome; water-vascular system [D]
49. Closed circulatory system; protostome; many body segments [A]
AP EXAM 1999
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Questions 50-53 refer to the following cross section of a developing organism with very little yolk.
_______
50. . Is the notochord B
________ 51. Becomes the gut E
________ 52. Becomes the coelom A
________ 53. Gives rise to the outer skin D
AP EXAM 1986
Directions: Each group of questions below concerns an experimental or laboratory situation or data. In each
case, first study the description of the situation or data. Then choose the one best answer to each question
following it.
Questions 54-55
In a study of the development of frogs, groups of cells in the germ layers of several embryos in the early
gastrula stage were stained with five different dyes that do not harm living tissue. After organogenesis (organ
formation), the location of the dyes was noted, as shown in the table below.
Tissue
Brain
Notochord
Liver
Lens of the eye
Lining of the digestive tract
Stain
Red
Yellow
Green
Blue
Purple
54. Ectoderm would eventually give rise to tissues containing which of the following colors?
(A) Red and blue
(B) Yellow and purple
(C) Green and red
(D) Green and yellow
(E) Purple and green
55. Tissues stained with the purple dye were probably derived from
(A) the ectoderm only
(B) the mesoderm only
(C) the endoderm only
(D) both the ectoderm and the mesoderm
(E) both the endoderm and the mesoderm
AP EXAM 1999
Questions 56-59 refer to the information and table below.
The following information was gathered from a study to determine the relationship between structure and
function in the digestive tracts of several animals.
Mode of
Nutrition
1
2
3
4
5
Components
of Digestive
Tract Present
Percentage of
Ingested Nutrients
Remaining in Feces
Mouth, pharynx,
intestine
Mouth, esophagus,
stomach, intestine,
accessory organs, anus
30% of ingested
nutrients remaining
Body Length
Intestinal
Length
Intestinal
Features
Carnivore
0.01 m
0.01 m
Extensive
branching
Carnivore
0.10 m
0.13m
Villi and
folds in wall
5.62 m
Villi and
folds in wall
Mouth, esophagus,
stomach, intestine,
accessory organs, anus
11% of ingested
nutrients remaining
7.92 m
Villi and
folds in wall
Mouth, esophagus,
stomach, intestine,
accessory organs, anus
4% of ingested
nutrients remaining
21.33 m
Villi and
folds in wall
Mouth, esophagus,
stomach, intestine,
accessory organs, anus
10% of ingested
nutrients remaining
Omnivore
Herbivore
Herbivore
1.83 m
2.59 m
1.98 m
15% of ingested
nutrients remaining
56. Which of the following can be correctly concluded about the relationship between intestinal length and body
size for the organisms in the table?
(A) Carnivores have greater intestinal length relative to body size than do herbivores.
(B) Herbivores have greater intestinal length relative to body size than do carnivores.
(C) Omnivores have greater intestinal length relative to body size than do either carnivores or herbivores.
(D) The smaller the intestinal length relative to body size, the more nutrients are absorbed.
(E) No relationship exists between intestinal length and mode of nutrition
57. Which of the animals is most likely to have, living in specialized areas of its digestive tract, abundant
symbiotic bacteria that break down foods that the animal normally could not digest on its own?
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
58. Which animal has a gastrovascular cavity?
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
59. Which animal is most efficient in absorbing the food it consumes?
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
AP EXAM 1999
Questions 60-62 refer to the following dichotomous key.
60. Centipedes and millipedes should NOT be placed in group B because they
(A) have an exoskeleton
(B) display radial symmetry
(C) lack a coelom
(D) are unsegmented
(E) have an endoskeleton
61. Which of the following phyla is represented by group E?
(A) Mollusca
(B) Cnidaria (Coelenterata)
(C) Annelida
(D) Chordata
(E) Porifera
62. Clam, octopus, and oyster are classified in which group?
(A) A
(B) B
(C) C
(D) D
(E) E
**
AP EXAM 2002