BSC 2011 Sample test questions: Test 6

These questions will be similar to the ones on the lecture test that covers the notes on Ch 30 : Echinoderms and Chordates
1).  How do echinoderms get oxygen? ____________________________________


2).  How old are the oldest fossil primates ?
     a) 30 million years     b) 6 million years
     c) 60 million years     d) 40 million years


3).  What sense organs do crocodilians have, to detect the waves
     of pressure caused by swimming fish ?
                                           ________________________

4).  Starfish have __1__ symmetry, usually in __2__ parts.
     a) radial ; 4          b) bilateral ; 5
     c) radial ; 5          d) bilateral ; 4


5).  Give a genus name of cephalochordata: _____________________________ 


6).  What is the name for the class of cartilaginous fish, such as
     sharks and rays? 
                       _________________________________


7).  The largest class of vertebrate is __1__ with __2__ species.
     a) bony fish ; 10,000      b) reptiles ; 30,000
     c) bony fish ; 30,000      d) reptiles ; 10,000


8).  Two characteristics of chordates are : have a hollow nerve cord, and
     a muscular tail. List the other two characteristics :

     ______________________________ and ________________________________


9).  What antibiotic is found in the skin of amphibians? ______________



10). What is a cloaca ? ______________________________________________



11). Gill pouches that empty through pores, not slits, are typical of:
     a) Osteichthyes     b) Agnatha     c) Chondrichthyes     d) Echinoidea



12). Give a genus name of a marsupial mammal :
     a) Trichechus    b) Megaptera     c) Didelphis    d) Canis


13). Pedicellaria are found in :
     a) echinoderms     b) amphibians      c) agnatha      d) birds


14). The genus Trichechus is in the order __1__ and subclass __2__
     a) Cetacea ; metatheria     b) Sirenia ; eutheria
     c) Cetacea ; eutheria       d) Sirenia ; metatheria


15). What subclass of mammal lays eggs ?
     a) metatheria      b) eutheria      c) prototheria      d) atheria 


16). What two areas of the world would you expect to find native marsupials?
     a) Europe and South America      b) South America and Australia
     c) Africa and Australia          d) South America and Africa


17). Some bony fish have non-overlapping scales called:
     a) placoid	      b) ganoid	      c) ctenoid      d) cycloid


18). Which human was the first to use fire?
     a) Australopithecus      b) Homo erectus
     c) Homo habilis          d) Homo neanderthalensis


19). What type of skull in reptiles has two temporal openings?

      ______________________


20). Which of the following classes both have internal fertilization :
     a) Birds and cartilaginous fish     b) Mammals + Amphibians
     c) Bony fish + Birds                d) Bony fish + Mammals


21). Which anti-cancer drug is extracted from tunicates? _______________


22). The hagfish is in the class _______________ and genus _____________


23). Which of the following is correct?
     a) lungs in mammals evolved from swim bladders of bony fish
     b) swim bladders of mammals evolved from lungs in early fish
     c) lungs in mammals evolved from swim bladders of reptiles
     d) swim bladders of bony fish evolved from lungs in early fish


24). The fishing in the Great Lakes was devastated by:
     a) alligators    b) sharks    c) lampreys    d) starfish


25). Give an example of a genus of frogs, where the males protect the young: 

     ____________________________________________