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Natural forces are important because:
a) you cannot do anything about them
b) they can cause pest popula- tions to rise and fall
c) you can never spray anywhere in the winter time
d) the rain and wind always makes it necessary to respray the area. ÇÇB
Biological control:
a) is always 100% effective
b) is never complete
c) never occurs naturally
d) always interferes with commercial chemical control operations. ÇÇB
Resistance to pesticides devel- ops in pests species:
a) because some applicators use
the least expensive chemicals
b) the chemical companies plan
it to happen
c) the pesticides are not poison
enough
d) rarely does any pesticide kill
,all the pests and those that survive pass this ability on to their offspring. ÇÇD
Integrated Pest Management practices include the use of:a) chemical pesticidesb) cultivation
and barriers
c) sanitation and traps d) all the above. ÇÇD
In the case of insects:
a) they are only important be-
cause they give entomologists
something to talk about
b) they must all be killed as soon
as possible
c) about 99% of all species are of
minor importance
d) they all feed on plants which
could be eaten by people. ÇÇC
The insect thorax:
a) is where the insect antennae
are located
b) supports the legs and wings
(if present) of the adult insect
, c) is always a very small orange spot on right side of the head
d) isdifficulttodistinguishfrom the legs. ÇÇB
An example of an Arachnid is:
a) a butterfly
b) an insect
c) a spider
d) a pigweed. ÇÇC
The use of host resistance:
a) helps keep pest populations
below harmful levels
b) means that any pesticide use
will not result in killing the
host
c) involves treating the host with
insecticides repeatedly at low
rates so as not to kill it
d) should always be discouraged
because it is never effective. ÇÇA