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doubleu doubleu
wrote...
Posts: 437
13 years ago Edited: 13 years ago, bio_man
Here are some questions I dug up:

Please read each question carefully and enter the best answer for each into both test booklet and Scantron. Be sure to indicate which test version you completed on your Scantron.
There are 45 chapter questions and 5 bonus questions.
You have 60 minutes to complete the test.

Choose the one alternative that best completes the statement or answers the question.
1) Which of the following terms or structures is not associated with animals?
A) eukaryotic
B) cell wall
C) desmosome
D) zygote
E) blastula

2) Which of the following is not unique to animals?
A) cells that have tight junctions, desmosomes, or gap junctions
B) the structural protein collagen
C) nervous conduction and muscular movement
D) regulatory genes called Hox genes
E) sexual reproduction

3) What should animals as diverse as corals and monkeys have in common?
A) body cavity between body wall and digestive system
B) number of embryonic tissue layers
C) type of body symmetry
D) presence of Hox genes
E) degree of cephalization

4) The major branches of Eumetazoa are the Radiata and the Bilateria. These names refer to what characteristic of these animals?
A) size
B) body symmetry
C) embryonic cleavage
D) types of appendages
E) presence or absence of a nucleus in their cells

5) What distinguishes a coelomate animal from a pseudocoelomate animal is that coelomates
A) have a body cavity, whereas pseudocoelomates have a solid body.
B) contain tissues derived from mesoderm, whereas pseudocoelomates have no such tissue.
C) have a body cavity completely lined by mesodermal tissue, whereas pseudocoelomates do not.
D) have a complete digestive system with mouth and anus, whereas pseudocoelomates have a digestive tract with only one opening.
E) have a gut that lacks suspension within the body cavity, whereas pseudocoelomates have mesenteries that hold the digestive system in place.

6) What are the cells in a sponge that are primarily responsible for trapping food particles from circulating water?
A) amoebocytes
B) choanocytes
C) mesohyl cells
D) pore cells (porocytes)
E) epidermal cells

7) Which of the following are not associated with sponges?
A) oscula
B) spongocoels
C) cnidocytes
D) spicules
E) amoebocytes

8 ) A radially symmetrical animal that has two embryonic tissue layers belongs to which phylum?
A) Porifera
B) Cnidaria
C) Platyhelminthes
D) Nematoda
E) Echinodermata

9) Which characteristic is shared by both cnidarians and flatworms?
A) dorsoventrally flattened bodies
B) flame cells
C) radial symmetry
D) a digestive system with a single opening
E) both A and D

10) Generally, members of which flatworm class are nonparasitic?
A) Turbellaria
B) Trematoda
C) Cestoda
D) Monogenea
E) A, C, and D

11) The larvae of many common tapeworms affecting humans are usually found
A) encysted in human muscle.
B) encysted in the muscle of an animal such as a cow or pig.
C) in the abdominal blood vessels of humans.
D) in the human brain.
E) in the intestines of cows and pigs. 3

12) Which of the following statements about tapeworm (Cestoda) feeding methods is false?
A) They lack a digestive tract.
B) They use a degenerate mouth to ingest some of their food.
C) As adults, they live in a digestive tract.
D) They are parasites.
E) They absorb nutrients through the walls of their body.

13) A brachiopod can be distinguished from a bivalve by the presence of
A) two hinged shells.
B) a digestive system with separate mouth and anus.
C) a lophophore.
D) suspension feeding.
E) a distinct head.

14) Which of the following is not found in annelids?
A) a hydrostatic skeleton
B) segmentation
C) a digestive system with separate mouth and anus
D) a closed circulatory system
E) a cuticle made of chitin

15) Nematode worms and annelid worms share all of the following features except
A) use of fluid in the body cavity as a hydrostatic skeleton.
B) use of the outer covering as a respiratory surface.
C) presence of a closed circulatory system.
D) presence of an alimentary canal.
E) parasitic lifestyles in some species.

16) The heartworms that can accumulate within the heart of dogs and other mammals have a pseudocoelom, an alimentary canal, and an outer covering that is occasionally shed. To which phylum does the heartworm belong?
A) Platyhelminthes
B) Arthropoda
C) Nematoda
D) Phoronida
E) Annelida

17) Among the invertebrates, arthropods are unique in possessing
A) a cuticle.
B) a ventral nerve cord.
C) open circulation.
D) wings.
E) segmented bodies.

18) The presence or absence of mandibles can be used to distinguish between
A) insects and centipedes.
B) insects and crustaceans.
C) insects and millipedes.
D) insects and spiders.
E) centipedes and millipedes.

19) Which of the following characteristics most likely explains why insects are so successful at dispersing to distant environments?
A) hemocoel
B) wings
C) jointed appendages
D) chewing mandibles
E) internal fertilization

For questions 20 and 2, match the descriptions with the correct echinoderm class from the list below.
A. class Crinoidea (sea lilies and feather stars)
B. class Asteroidea (sea stars)
C. class Ophiuroidea (brittle stars)
D. class Echinoidea (sea urchins and sand dollars)
E. class Holothuroidea (sea cucumbers)

20) They can extend the stomach through their mouth to feed. B

21) They can have long, movable spines. D
For questions 22-24, match the descriptions with the correct phylum below.
A. Cnidaria
B. Annelida
C. Mollusca
D. Arthropoda
E. Echinodermata

22) protostomes that have an open circulatory system and an exoskeleton of chitin D

23) protostomes with a unique drape of tissue that may secrete a shell C

24) protostomes that have a closed circulatory system and obvious segmentation B

25) An organism is able to extend its feeding structure(s) through a hole in an exoskeleton. If the organism were an ectoproct, it would extend a ________; if a coral animal, it would extend ________; if a bivalve, it would extend ________; and if a barnacle, it would extend ________.
A) stomach; a pharynx; a radula; mandibles
B) lophophore; trophi; a radula; jointed appendages
C) pharynx; a proboscis; trophi; mandibles
D) lophophore; tentacles; gill(s); jointed appendages
E) tentacle; a proboscis; gill(s); a pharynx

26) A stalked, sessile marine organism has several feathery feeding structures surrounding an opening through which food enters. The organism could potentially be a cnidarian, a lophophorate, a tube-dwelling worm, a crustacean, or an echinoderm. Finding which of the following in this organism would allow the greatest certainty of identification?
A) the presence of what seems to be radial symmetry
B) a hard covering made partly of calcium carbonate
C) a digestive system with mouth and anus separate from each other
D) a water vascular system
E) a nervous system

27) What distinguishes complete metamorphosis from incomplete metamorphosis in insects?
A) presence of wings in the adult, but not in earlier life stages
B) presence of sex organs in the adult, but not in earlier life stages
C) radically different appearance between adults and earlier life stages
D) only A and B
E) A, B, and C

28) Parasitism is to most species of lampreys as ________ seems to have been to the extinct conodonts.
A) absorptive feeding
B) filter feeding
C) predation
D) suspension feeding
E) herbivory

29) Which of these is not considered an amniote?
A) non-avian reptiles
B) placental mammals
C) egg-laying mammals
D) avian reptiles
E) amphibians

30) The most primitive hominid discovered to date
A) had a relatively large brain.
B) closely resembled a chimpanzee.
C) lived 1.2 million years ago.
D) may have hunted dinosaurs.
E) walked on two legs.
31) Which is not characteristic of all mammals?
A) giving birth to live young (viviparous)
B) a four-chambered heart that prevents mixing of oxygenated and deoxygenated blood
C) having glands to produce nourishing milk for offspring
D) having hair during at least some period of life
E) having a diaphragm to assist in ventilating the lungs
32) What is a distinctive feature of the chondrichthyans?
A) an acute sense of vision that includes the ability to distinguish colors
B) an amniotic egg
C) unpaired fins
D) lack of jaws
E) a cartilaginous endoskeleton
33) The earliest known mineralized structures in vertebrates are associated with which function?
A) locomotion
B) reproduction
C) defense
D) feeding
E) respiration
34) Lampreys differ from hagfishes in
A) having a cranium.
B) having a notochord throughout life.
C) lacking jaws.
D) having a notochord that is surrounded by a tube of cartilage.
E) having pharyngeal clefts that develop into pharyngeal slits.
35) Which one of these chordate groups lacks a post-anal tail and a notochord as adults?
A) amphibians
B) mammals
C) reptiles
D) lancelets
E) tunicates
7
36) Which of these statements about human evolution is true?
A) Different features have evolved at different rates.
B) The ancestors of Homo sapiens were chimpanzees and other apes.
C) Mitochondrial DNA analysis indicates that modern humans are genetically very similar to Neanderthals.
D) Human evolution has proceeded in an orderly fashion from an ancestral anthropoid to Homo sapiens.
E) The evolution of upright posture and enlarged brain occurred simultaneously.
37) Which of the following is not a shared characteristic of all chordates?
A) post-anal tail
B) four-chambered heart
C) dorsal, hollow nerve cord
D) notochord
E) pharyngeal clefts
38) Which of the following statements about human evolution is correct?
A) Human ancestors were virtually identical to chimpanzees.
B) Fossil evidence indicates that early anthropoids were arboreal, and cat-sized.
C) Modern humans are the only human species to have evolved on Earth.
D) The upright posture and enlarged brain of humans evolved simultaneously.
E) Human evolution occurred by anagenetic change within an unbranched lineage.
39) All of the following are characteristics of most extant non-avian reptiles, except
A) keratinized skin.
B) ectothermy.
C) conical teeth that are relatively uniform in size.
D) the amniotic egg.
E) brachiation.
40) How are primates different from all other mammals?
A) placental embryonic development
B) hairy bodies
C) arboreal lifestyles
D) ability to produce milk
E) opposable thumbs in many species
41) A trend in the evolution of the earliest tetrapods was
A) the ability to move in a fish-like manner.
B) feet with digits.
C) the mineralization of the endoskeleton.
D) the appearance of bony vertebrae.
E) the appearance of jaws.
8
42) Why is it thought that the Neanderthals contributed little to the gene pool of modern humanity?
A) Neanderthals had degenerated brain capacity and thus could not have contributed to human ancestry.
B) Humans, the "naked apes," have nothing in common with the Neanderthals, the "hairy apes."
C) The fossils found in the Neander Valley were a hoax and the "Neanderthals" never really existed.
D) There is no evidence that Neanderthals were capable of walking upright or using tools.
E) Recent studies of human and Neanderthal DNA show significant differences in base sequences.
43) The bony fishes are characterized by
A) teeth that are replaced regularly.
B) a lateral line system and ears with three semicircular canals.
C) a cartilaginous endoskeleton.
D) a bony endoskeleton, operculum, and usually a swim bladder.
E) an amniotic egg.
44) What permits reptiles to thrive in arid environments?
A) Their bright coloration reflects the intense UV radiation.
B) Their scales contain the protein keratin, which helps prevent dehydration.
C) A cartilaginous endoskeleton provides needed flexibility for locomotion on sand.
D) They have an acute sense of sight, especially in bright sunlight.
E) A large number of prey and a limited number of predators are available in the desert.
45) Pharyngeal slits appear to have functioned first as
A) the digestive system's opening.
B) components of the jaw.
C) portions of the inner ear.
D) gill slits for respiration.
E) suspension-feeding devices. 9
BONUS QUESTIONS:
46) The animals and plants of India show large differences from species in nearby Southeast Asia. Why might this be true?
A) The species have become separated by convergent evolution.
B) The climates of the two regions are completely different.
C) India is in the process of separating from the rest of Asia.
D) Life in India was wiped out by ancient volcanic eruptions.
E) India was a separate continent until relatively recently.
47) Lungs might have provided an adaptive advantage in certain aquatic species dealing with
A) plant litter in freshwater systems
B) depleted dissolved oxygen in freshwater systems
C) increased dissolved carbon dioxide in freshwater systems
D) diminished aquatic habitats
48) Diatrymas consist of four extinct species of large flightless birds. Which of the following statement(s) is/are true regarding these animals?
A) The birds stood over two metres tall.
B) The birds had unusually large skulls in proportion to their bodies
C) The biomechanics of the jaw suggests that the birds were carnivorous.
D) A and B are true
E) A, B and C are true
49) Diatrymas were later replaced as the dominant, terrestrial animal by
A) Dinosaurs, a group of large reptiles
B) Hyaenodontids, a group of dog-like predators
C) Plesiadapiformes, a group of squirrel-like animals
D) Hyracotheriums, cat-sized ancestors of the horse
50) Which statement about primate vision is true?
A) Visual acuity is associated with the absence of a fovea, a depression in the retina. B) The presence of a post-orbital septum is associated with visual acuity and the presence of a fovea.
C) The absence of a post-orbital septum is associated with visual acuity and the presence of a fovea.
D) Advanced primates have a fovea with a low number of cones.
 
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2 years ago
thanks
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