Quiz 3 – Version A


 1.  The further away an object is, the more clearly an insect can 
     see its shape.

 2.  Tympana and chordotonal organs may both function as sound

 3.  True color vision (trichromatic) occurs only in the orders
     Diptera and Coleoptera.

 4.  Dorsal ocelli are the primary visual organs of hemimetabolous

 5.  Visual signals may be produced with little or no expenditure
     of energy.

 6.  Sound is the only communication system that is effective
     around corners.

Multiple Choice:

 7.  Which structure is NOT part of the central nervous system?
     A.  Frontal ganglion            C.  Circumesophageal commissure
     B.  Tritocerebrum               D.  Subesophageal ganglion

 8.  An insect must use both of its compound eyes (simultaneously)
     in order to perceive:
     A.  Distance or depth           C.  Ultraviolet light
     B.  Shape or size               D.  Polarized light

 9.  The chemical trail produced by foraging ants would be 
     classified as a(n):
     A.  Kairomone                   C.  Allomone
     B.  Pheromone                   D.  None of these

10.  Which statement about the insect's nervous system is 
     A.  The ventral nerve cord controls the heart and gut.
     B.  The caudal ganglion controls the external genitalia.
     C.  The brain controls the eyes and antennae.
     D.  The subesophageal ganglion controls the mouthparts.

11.  The deutocerebrum innervates the: 
     A.  Mouthparts                  C.  Antennae
     B.  Compound eyes               D.  Heart

12.  An ommatidium is best defined as a:
     A.  Subdivision of the ventral nerve cord.
     B.  Functional unit of the compound eye.
     C.  Mechanoreceptor used for proprioception.
     D.  Ventral lobe of the insect's brain.

13.  Fly larvae (maggots) move away from a bright source of light.
     This is an example of a:
     A.  Taxis                       C.  Reflex
     B.  Kinesis                     D.  Transverse orientation

14.  A male empiid fly courts a female for 20 minutes and then 
     gives up after he fails to elicit any response.  This is an
     example of:
     A.  Conditioning                C.  Imprinting
     B.  Habituation                 D.  Instrumental learning

15.  The circumesophageal connective joins the:
     A.  Deutocerebrum with the tritocerebrum.
     B.  Tritocerebrum with the subesophageal ganglion.
     C.  Two lobes of the tritocerebrum.
     D.  Frontal ganglion with the hypocerebral ganglion.


Match each behavior listed in the left column with its typical
function listed in the right column.
16.  Light flash in firefly
17.  Waggle dance in honey bee
18.  Stridulation in cricket
19.  Trophallaxis in ants
20.  Hissing in cockroach
A.  Courtship
B.  Dispersal
C.  Nestmate recognition
D.  Location of food
E.  Alarm
Match the description in the left column with the social insect in the right column.
21.  Exhibit reproductive division of labor.
22.  Members of several generations share the same nest site. 
23.  Cannot replace a queen once she dies.     
24.  Some workers are male.      
25.  Use pheromones to communicate with nestmates.
A.  Ants
B.  Bees
C.  Termites
D.  All of these
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