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ACA license exam
Practice test for license exam
| Question | Answer |
|---|---|
| The most important step in dealing with an insect problem is ___ the pest or pests involved. a. The habits of b. identifying c. the life cycle of d. the damage caused by | b. identifying |
| Control procedures such as rotation, resistant varieties, etc. are useful in most instances, but are often not effective to cancel that need for ____. a. parasites b. all of the above and below c. pesticides d. moisture | c. pesticides |
| Weeds reduce yields through competition for ____ a. light, life cycle, rain b. moisture, light, nutrients, space c. perennial, nutrients, space d. biennial, annual, moisture, sun | b. moisture, light, nutrients, space |
| The _____ of a plant must be known to initiate the proper weed control procedure. a. history b. soil structure c. life cycle d. caryopsis | c. life cycle |
| Maintaining a weed-free period of _____ weeks after crop emergence is necessary to prevent yield reductions a. 10 weeks b. 4-6 weeks c. 2 months d. 2-3 weeks | b. 4-6 weeks |
| All disease symptoms and signs are caused by an interaction between ____: a. host plants, the pathogen, and environment b. host plant, soil c. host plant, seed, sun d. weather and climate | a. host plants, the pathogen, and environment |
| Nematode damage in a field is rarely uniform. Symptoms are more obvious when: a. soil moisture and fertility are low b. temperature and humidity are high c. growing conditions are ideal d. soil moisture and fertility are high | a. soil moisture and fertility are low |
| The _____ is the document that accompanies the pesticide container, which contains the information needed in using the pesticide. a. worker protection standard bulletin b. label c. SDS sheet d. endangered species bulletin | b. label |
| Pesticides are formulated as ________ a. emulsifiable and liquid concentrates b. water dispersible granules and wettable powders c. flowables d. All of the above | d. all of the above |
| The group of insecticides that represents most all of the seed treatments. a. carbamates b. organophosphates c. pyrethroids d. neonicotenoids | c. neonicotenoids |
| Pesticides used to control plant diseases are called a. triazoles b. fungicides or nematocides c. insecticides d. chlorinated hydrocarbons | b. fungicides or nematocides |
| Chemical factors to consider when planning your various crops: a. pesticides that will be used during the season b. method of application to be employed c. problems of adjacent non-target areas d. all of the above | d. all of the above |
| Many pesticides are restricted by a minimum time from last application to harvest. This time requirement is known as ______. a. buffer zone b. pre-harvest interval c. consolidated time interval d. restricted entry interval | b. pre-harvest interval |
| The minimum time between applying a pesticide and having a worker enter the treated area is known as ______. a. buffer zone b. pre-harvest interval c. consolidated time interval d. restricted entry interval | d. restricted entry level |
| When a chemical burns or otherwise injures a plant to which it is applied, it is said to be _____ and is used when the pesticide adversely affects desirable plants. a. afforestation b. phytotoxic c. herborization d. botanize | b. phytotoxic |
| The amount of pesticide that remains after a pesticide application to a crop is called _____. a. rinsate b. afterglow c. residue d. sediment | c. residue |
| What group of insecticides requires field workers to have blood cholinesterase checks? a. pyrethroids b. carbamates and organophosphates c. neonicontinoids d. chlorinated hydrocarbons | b. carbamates and organophosphates |
| The chief culprit reported contributing to contamination of non-target areas is _____ particularly from herbicides. a. runoff b. spray drift c. leaching d. mixing mistakes | b. spray drift |
| Which of the following include the 3 factors most likely to contribute to spray drift a. wind velocity, carrier used, time of spraying b. pesticide formulation, height of nozzles, time of day c. wind velocity, size of spray particles, height of nozzles | c. wind velocity, size of spray particles, height of nozzles |
| When injecting chemicals into the irrigations system, precautions must be taken to prevent ______ into the water supply and also to prevent overdosing in case of malfunction of the system. a. back-siphoning b. back lashing c. drift d. volatilization | a. back-siphoning |
| `A successful rangeland weed control program begins with an understanding of the _____ plants on the site. a. desirable and undesirable b. productivity c. pasture d. tall and short | a. desirable and undesirable |
| Which herbicide is a non-selective, contact herbicide? a. Picloram b. 2,4-D c. Paraquat d. Glyphosate | c. paraquat |
| The protective clothing and equipment needed depends on both _____ and ______. a. temperature and humidity b. toxicity and formulation c. rainfall and humidity d. crop and pest | b. toxicity and formulation |
| There are many ways that pesticides can generally enter the human body, but ____ and _____ are most frequent. a. ears, liquid, warning b. pants, hands, hat c. oral, dermal, inhalation d. spills, spray, pour-on | c. oral, dermal, inhalation |
| Which type of herbicide will leach most rapidly? a. soluble herbicide applied to dry soil b. insoluble herbicide with long residual c. soluble herbicide and sandy soil d. soluble herbicide and short residual | c. soluble herbicide and sandy soil |
| Keeping pesticides out of groundwater and surface water is critical because? a. animals use surface water for drinking b. humans use groundwater c. fish and aquatic plants have low tolerance to pesticides d. all of the above | d. all of the above |
| The volatility of a chemical herbicide refers to how readily it goes from a liquid state to a _______state. Dicamba and 2,4-D have this risk. a. Granular b. Vapor c. Crystal d. all of the above | b. vapor |
| It is rarely economically profitable to treat first year corn with insecticides for protection against a. black cutworm b. spider mites c. rootworm d. european corn borer | c. rootworm |
| A systematic approach to crop protection based on sound economic, ecological, and agricultural consideration is called: a. NRA b. IPM c. PPE d. REI | b. IPM |
| The major factor that influences calibration is? a. discharge rate b. droplet size c. boom width d. wind speed | a. discharge rate |
| There are many areas where fine tuning equipment will have rewarding results. Often overlooked is: a. knowing the tank's actual volume b. account for soil conditions c. maintain proper ground speed d. all the above | d. all the above |
| Light to moderate stands of musk thistle and leafy spurge (both noxious weeds found in pastures) can be held in check by the use of _____ control methods involving beetles. a. biological b. chemical c. mechanical d. cultural | a. biological |
| Management to prevent herbicide resistant weeds from occurring include: a. rotate herbicide site of action b. crop rotation c. use cultural and mechanical weed control methods d. all of the above | d. all of the above |
| Which disease pathogen is the most common and is also the primary one in which chemical control is an option? a. fungi b. bacteria c. virus d. insect | a. fungi |
| Weeds such as Canada thistle, curly dock, dandelion, johnsongrass, and leafy spurge have this life cycle which allows a plant to survive for many years. a. annual b. biennial c. perennial d. complete reproduction | c. perennial |
| Glyphosate herbicides can be antagonized by hard water with high calcium. To prevent this from occurring, what spray additive is required? a. Oil concentrate b. Ammonium sulfate c. nonionic surfactant d. spray thickener | b. ammonium sulfate |
| Spraying when wind speeds are below 3 mph are not recommended because this environmental condition may be present, which can cause spray drift. a. dew presence b. temperature inversion c. El Nino d. Jet Stream | b. temperature inversion |
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