1. The following pesticide is an organophosphate:
DDT.
Diazinon.
Methoxychlor.
Permethrin.
2. Only the following can be considered a microbial pesticide:
Mosquitofish.
Bacillus thuringiensis israelensis.
Plasmodium falciparum.
The Varroa mite of honey bees.
3. The following type of pesticide would be most likely to be used as a mosquito adulticide:
Stomach poison.
Contact poison.
Systemic toxicant.
Petroleum oil.
4. Wettable powders are:
Materials to which an emulsifying agent has been added.
Powders that can withstand washing off after application.
Finely ground powders.
Powders that do not need agitation after water has been added.
5. The following type of pesticide would be least likely to be used to control mosquito larvae:
Microbial pesticide.
Aerosol insecticide.
6. Granules:
Always consist of pure pesticides.
Are especially useful in aquatic habitats.
Consist of spores of microbial products such as Bti.
Can never be delivered by air.
7. Pyrethroid insecticides:
Are all extremely toxic to humans.
Are all extremely non-toxic to humans.
Vary in toxicity.
Are all natural products, and thus probably safe.
8. An advantage of granular pesticides is:
Low cost.
They usually do not have to be mixed.
They can be applied with almost any type of equipment.
All of the above.
9. Synergism is:
Two organisms of different species living together.
Two organisms of the same species living together.
Spontaneous combustion caused by mixing two pesticides.
When two chemicals used in combination are more effective than either one use alone.
10. Potentiation is:
A desirable effect of mixing two or more pesticides.
The same as synergism.
An undesirable effect of mixing two or more pesticides.
The passing of an electric current through a pesticide solution.
11. DDT:
Is no longer registered for use in the USA.
Is no longer registered for use anywhere in the world.
Can be used for mosquito control in the USA, but only with a special permit from the County Ag Commissioner.
Is now known to have killed thousands of people.
12. Malathion and parathion are:
Organochlorines.
Organophosphates.
Synthetic pyrethroids.
Synonyms for para-sulfuric acid.
13. There is a legal requirement to read the label on a pesticide container:
Only when a new pesticide is introduced to the market.
Only when new equipment is used for a particular pesticide.
Only when a new employee is trained.
Each time a pesticide is applied.
14. You should read the label on a pesticide container:
Only if it is a restricted pesticide.
Before you dispose of the pesticide or its empty container.
Only if you are a certified applicator.
Less than 24 hours after the application of any pesticide.
15. On a pesticide label, the word 'Warning' applies to:
Category I chemicals.
Category II chemicals.
Category III chemicals.
Only chemicals that should be kept out of the reach of children.
16. On a pesticide label, the word 'Caution' applies to:
17. A skull and crossbones symbol on a pesticide label means the material:
Is a Category I chemical.
Is a Category IV chemical.
Cannot be used for mosquito control.
Cannot be used in aquatic habitats.
18. The term 'MSDS' means:
Mean survival dose standard.
Mean safety dose standard.
Material safety dose standard.
Material safety data sheet.
19. An EPA registration number on a label means:
The material is endorsed by the US Environmental Protection Agency (EPA).
Registration is pending with EPA.
The material may be used in environmentally sensitive areas.
The material is registered with EPA.
20. Brand names of pesticides:
Are usually the most prominent part of a pesticide label.
Cannot be used on labels -- the common name is required.
Are not authorized for use in interstate commerce.
Can be used on a label if accompanied by a disclaimer.
21. Which of the following type of information is usually not found on a pesticide label:
The EPA registration number.
The cost of the material on a per acre basis.
The name and address of the pesticide manufacturer.
The statement 'Keep out of reach of children'.
22. A detailed label is required on:
Restricted-use pesticides only.
Only on pesticides that cross state lines.
Only on pesticides containing Category I or II chemicals.
Containers of all pesticides.
23. When you are in doubt as to the proper dose to use for the application of a public health pesticide, you should:
Call the nearest poison control center.
Call the toll-free EPA pesticide hot line.
Call the Department of Pesticide Regulation.
Read the label.
24. The responsibility for gathering all the data required to appear on a pesticide label rests with:
The agency using the pesticide.
The US Environmental Protection Agency.
The company registering a pesticide product.
The govenor of the state where the pesticide will be used.
25. Which of these LD-50 values represent the most toxic pesticides?
585 mg/kg.
320 mg/kg.
27 mg/kg.
6,200 mg/kg.
26. Selective herbicides:
Are completely safe, because they act only on target pest species.
Are completely safe only if there has been no rain during the past 6 hours.
Should never be used along public rights-of-way.
If misused, can kill desirable plants as well as targeted species.
27. NOEL means:
No outward effects left.
No observable extensive lesions.
No ordinary effects line.
No observable effect level.
28. Most poisons work by:
Dissolving vital tissues.
Changing the rate of various body functions.
Clogging the major arteries or veins.
Lowering the pH of the blood.
29. Mutagenesis is:
The production of tumors.
Supression of the immune system.
Change in genetic structure.
None of the above.
30. Teratogenesis means:
The production of nodules.
The production of birth defects.
The production of fibrous growths.
31. Acute toxicity means:
A toxic effect of short duration.
A toxic effect that is fatal.
A toxic effect that lasts a long time.
An effect that occurs immediately after exposure.
32. Primary irritant dermatitis (PID):
Can occur from exposure to a number of pesticides.
Is caused only by organic solvents, not pesticides themselves.
Is caused only by secondary infections after pesticide exposure.
Is seen only in hyperallergic individuals.
33. Carcinogenesis refers to the:
Production of tumors.
Production of birth defects.
34. A common symptom of severe poisoning by organophosphates is:
A rapidly spreading rash.
Profuse bleeding from the gums.
Muscle twitching.
Alternating chills and fever.
35. The most common route of poisoning by pesticides in humans is:
Through the skin.
Through the throat and lungs.
Through the eyes.
Through the mouth (ingestion).
36. The most common factor associated with poisoning via the oral route is:
The use of outdated, and thus illegal products.
The use of pesticides designed to control pests occuring on human bodies.
Contamination of drinking water supplies by improperly discarded pesticides.
The transfer of pesticides into unmarked containers from their original containers.