General manual questions Flashcards
Natural forces are important because:
a) you cannot do anything about them
b) they can cause pest populations to rise and fall
c) you can never spray any- where in the winter time
d) the rain and wind always makes it necessary to respray the area.
b) they can cause pest populations to rise and fall
Biological control:
a) is always 100% effective
b) is never complete
c) never occurs naturally
d) always interferes with commercial chemical control operations.
b) is never complete
Resistance to pesticides develops in pest 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.
d) rarely does any pesticide kill all the pests and those that survive pass this ability on to their offspring.
Integrated Pest Management practices include the use of:
a) chemical pesticides
b) cultivation and barriers
c) sanitation and traps
d) all the above.
d) all the above.
In the case of insects:
a) they are only important
In the case of insects:because 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.
c) about 99% of all species are of minor importance
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) is difficult to distinguish from the legs.
b) supports the legs and wings (if present) of the adult insect
An example of an Arachnid is:
a) a butterfly
b) aninsect
c) a spider
d) a pigweed.
c) a spider
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.
a) helps keep pest populations below harmful levels
Screens and other barriers: a) are no longer effective because insects have learned to avoid them b) are too”old fashioned“to work c) can be a major way of controlling pests in some situations d) should always be painted red or yellow to help repel the pest.
c) can be a major way of controlling pests in some situations
The major objective in outdoor chemical pest control is:
a) to cover the entire surface to be protected with a residue
b) rely on drift to reach the
”hard to get“ areas
c) use the most toxic chemical
possible to reduce the number of applications
d) spray every other day to stay ahead of pest buildup.
a) to cover the entire surface to be protected with a residue
For most biotic plant dis- eases to develop, there must be ______ present:
a) a pathogen
b) asusceptible host
c) a favorable environment
d) all the above.
d) all the above.
Micoplasmas are actually a type of ______ which lacks a cell wall.
a) fungus
b) bacteria
c) virus
d) nematode.
b) bacteria
Root knot, soybean cyst, and pine wilt are examples of ______ diseases.
a) nematode
b) fungus
c) bacteria
d) virus.
a) nematode
Quarantines that regulate the movement of plants into this country are a form of disease control called:
a) avoidance
b) protection
c) exclusion
d) eradication.
c) exclusion
Weeds interfere with crop production by:
a) competing for water
b) harboring pest insects, mites, etc.
c) releasing toxins into the soil
d) all the above.
d) all the above.
All plants, including weeds, have how many stages of growth?
a) 1
b) 2
c) 3
d) 4
d) 4
An aquatic plant without a true stem, leaves or vascular system is called:
a) broadleaf weed
b) annual grass
c) algae
d) fungi.
c) algae
Controlling weeds usually involves: a) visiting with a neighbor b) the use of livestock to pack the soil so the seedlings can not emerge c) taking advantage of the differences between the weeds and desired species d) burning the soil surface with a combination of chemicals.
c) taking advantage of the
differences between the
weeds and desired species
Chemicals used to control weeds are pesticides called:
a) rodenticides
b) miticides
c) insecticides
d) herbicides.
d) herbicides.
Snails and slugs are in a group of animals called:
a) herbivores
b) carnivores
c) mollusks
d) phagaphores.
c) mollusks
Vertebrate pest control is similar to insect control in that it depends on: a) seeing each pest before spraying b) spraying only in the day time c) proper pest identification d) the use of a registered insecticide.
c) proper pest identification
The most common chemical formulation of vertebrate poisons is:
a) baits
b) wettable powders
c) emulsifiable concentrates
d) dusts.
a) baits
The pesticide formulation includes: a) only the active ingredients b) only the inert ingredients c) both active and inert ingredients d) none of the above.
c) both active and inert
ingredients
Low concentrate solutions usually contain:
a) 1% or less active ingredient
b) 2 to 5% active ingredient
c) 6 to 10% active ingredient
d) 11 to 15% active ingredient.
a) 1% or less active ingredient
Pesticide formulations which form a gas when applied are called:
a) aerosols
b) fumigants
c) fungicides
d) flowables
b) fumigants
An advantage of pelleted formulations is:
a) drift hazard is low
b) no mixing—ready to use
c) excellent distribution due to the uniform size
d) all the above.
d) all the above.
A finely ground formulation which looks like a dust, is mixed in water but does not dissolve in the water is called:
a) sprayable concentrate
b) emulsifiable concentrate
c) soluble powder
d) wettable powder.
d) wettable powder.
