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163 Cards in this Set

  • Front
  • Back

A disadvantage of using common names for identifying organisms is:



Pesticide use reports require scientific names of pests

Which of the following is NOT a characteristic of weeds?

Weeds enhance the growth of agricultural crops

Plants that are capable of reproducing from overwintering storage organs such as bulbs, tubers, and rhizomes are called:


Perennials

Perennial weeds are generally the most difficult to control because:

They can reproduce and spread from storage organs such as rhizomes and tubers


Which of the following insect orders includes species known to transmit diseases in humans?

Blattodea (cockroaches)

Which organism is NOT an invertebrate pest?

House mouse


Which of the following orders of insects includes several species of agricultural pest?

Heteroptera (true bugs)

The various immature stages of an insect are known as:

Instars

Which of the following groups of insect orders includes both pests and beneficials that attack pest insect species?

Hymenoptera (wasps and bees), thysanoptera (thrips), and heteroptera (true bugs)

Which of the following insect orders includes important livestock pests?

Heteroptera

Which part of a plant do nematodes most commonly attack?

Roots and underground plant parts

Pest nematode species damage plants by:

Impairing water and nutrient uptake capacity

Which one of the following types of plant disorders cannot be transmitted?

Water stress and other abiotic problems

Which one of the following types of disease-causing organisms is easily seen without a microscope?

Fungi

Honey bees belong to the insect order:

Hymenoptera

Efforts to completely eliminate a pest species such as the Mediterranean fruit fly are know as:

Eradication

A key pest is one that:

Causes damage on a regular basis unless you can successfully control it

Applying a preemergence herbicide to an area where weed seeds are present is an example of what kind of pesticide use?

Preventative

Suppressing a pest population involves:

Keeping a pest population below a certain level

Which of the following in NOT an example of biological control?

Disease-carrying fleas on rodents

The effectiveness of augmentation (the release of natural enemies) as a biological control technique is limited because the released organisms

Tend to leave the area soon after release

Which of the following is an example of cultural control?

Discing weeds

The use of barriers such as screens, fences, and cloth mesh is known as:

exclusion

Sanitation is important in order to control:

All types of pest and disease organisms

Integrated pest management is an important pest control strategy because it strives to:

Control pests without disrupting the ecological balance

One of the primary goals of integrated pest management is to:

Conserve natural enemies

Quarantine is a pest management practice that is used to:

Prevent the entry of pests into new areas

One of the main purposes of government abatement programs is to:

Eliminate areas where pests may breed and seek shelter

Which part of the label gives you an indication of the toxicity of the pesticide?

The Signal Word

The LD50 of a pesticide tells you:

The toxicity of the pesticide

The toxicity of a pesticide is usually measured by its:

LD50

Which signal word indicates the LEAST hazardous pesticide?

Caution

The toxicity of a pesticide is:

Its capacity to cause injury

Which of the following chemical families contains pesticides that are typically persistent in the environment?

Organochlorines

A postemergent contact herbicide:

Causes injury to any part of the plant it touches

How much active ingredient would be found in a 20 pound bag of 25W formulation?

5 pounds

How much active ingredient would there be in a 5-gallon bottle of 4E formulation?

20 pounds

Which of the following formulation is LEAST likely to cause plant injury?

Wettable powder (W or WP)


Which of the following formulations requires no further agitation once it is fully mixed with water?

Soluble powder

The tendency of ants to take poisoned bait back to the nest:

Contributes to the effectiveness of ant baits

The way a pesticide destroys or controls a target organism is its:

Mode of action

When combining a wettable powder, a water soluble concentrate, and an emulsifiable concentrate in a tank mix:

The emulsifiable concentrate should go in last

If a mixture of two pesticides in the spray tank results in clumping and the spray nozzles clog up, the mixture is:

Incompatible

The FEDERAL laws regulating the manufacture, sale, transporting, and use of pesticides are administered by:

U.S. EPA

Regulations pertaining to pest control and pesticide use in California are part of:

The California Code of Regulations

The laws and regulations controlling pesticide use in CALIFORNIA:

May be more restrictive than federal laws

The Worker Protection Standard (WPS) provides additional protection to agricultural workers by:

Strengthening FIFRA requirements for protection of workers

A general-use pesticide is a product that can be purchased and used by:

Anyone

You can only use a NONREGISTERED pesticide if you have obtained

An emergency exemption from registration

Section 18 exemptions are issued by the:

U.S. EPA issues Section 18 exemptions

Which of the following pieces of information is not always included on the pesticide product label?

Common name

What does the "Statement of Practical Treatment" on the pesticide label tell you?

First aid instructions

Which of the following deviations from label directions is legal in California?

Applying less than the label rate

Why must you seek expert advise before using an application rate or pesticide concentration lower than what is specified on the product label?

Using less than label rates may promote pesticide resistance

How long must you keep pesticide use records?

2 years

When making a nonagricultural application, which of the following pesticides could be used legally without an operator identification number?

A pesticide approved for use only on nonagricultural sites

A restricted entry interval (REI) refers to the amount of time that must pass after a pesticide application before:

Workers may enter the treated area without wearing protective clothing

Growers must have valid Grower Identification Numbers before they can purchase:

All pesticides use in the production of agricultural commodities

Which of the following types of worker is considered a pesticide handler?

People who clean application equipment

When is it legally allowable for a pesticide handler to NOT wear protective eyewear?

While repairing cleaned application equipment

Pesticide residues on food are:

Rarely the cause of poisoning

Which of the following is the most frequent route of pesticide exposure among agricultural workers?

Dermal (skin)

Which formulation offers the greatest possibility of dermal absorbtion?

Water-soluble liquids

The symptoms of pesticide exposure and heat stress:

May be very similar

Pesticide poisoning symptoms:

May be delayed in their appearance

Normal pesticide application practices may produce what kind of pollution of groundwater sources?

Nonpoint

Pesticide contamination of wells can cause pesticides to enter groundwater through:

Direct channels

Which of the following is not a factor in the soil-leaching ability of a pesticide?

time of application

Which of the following is not a significant factor in breaking down a pesticide in the soil?

Growth stage of plants in the treated area

Which of the following practices will reduce environmental contamination by pesticides?

Reduce the frequency of applications whenever possible

Failure to use a backflow device when loading spray tanks or applying pesticide through irrigation systems

May result in serious contamination of ground water

Insect predators and parasites and honey bees are all considered:

Beneficials

A secondary pest is one that:

Becomes a problem when a pesticide application kills its natural enemies and eliminates competition from primary pest species

To reduce the possibility of building up a pest's resistance to a pesticide, you can:

Use a pesticide that is selective only to the pest

Which of the following may produce a pesticide residue on a crop that exceeds legal tolerances?

Allowing pesticide residue to drift onto the crop from a nearby area

How are you able to avoid most pesticide accidents?

By following the pesticide label and obeying the laws and regulations dealing with pesticides

Which of the following in not part of the mandatory training for employees handling pesticides as part of their work?

How to bury pesticide containers

Why is training on recognizing and avoiding heat stress important for pesticide handlers?

Many heat stress symptoms are similar to pesticide poisoning symptoms

What information will you NOT find on a Material Safety Data (MSDS)?

Personal protective equipment requirements for application situations

While applying pesticides, which is the most common way you might be exposed?

Pesticide material getting onto you skin

What criteria do you use to select the PPE for applying a pesticide?

Follow the pesticide label requirements

When applying pesticides, what is the advantage of wearing coveralls over your work clothing, even if this is not required by the pesticide label?

Coveralls can be easily removed if they become contaminated

What is the disadvantage of leather or fabric gloves when handling pesticides?

They absorb pesticides

In which of the following pesticide application situations must you wear eye protection?

spraying an orchard from an open cab tractor

While mixing or applying certain pesticides, you must select and use an appropriate respirator based on:

The pesticide label requirements

Why must the facepiece of a cartridge respirator fit tightly?

To channel the air through the cartridges so you breathe only filtered air

How often must you clean personal protective equipment, including body wear?

At the end of each work period, before using the equipment again

In applying pesticides to an agricultural crop, when must you use a closed mixing system?

While using a liquid Danger pesticide from an original 5-gallon container

Which is not an appropriate way of notifying workers on an agricultural property of a pesticide application?

Enclosing a notice about the application with the workers' next paychecks

When transporting pesticides in a vehicle:

Secure containers in the cargo area and never allow anyone to ride in this part of the vehicle

The name, address, and location of a medical facility capable of treating pesticide-related injuries should be available:

At the pesticide mixing site whenever pesticides are used

First aid and other emergency information for pesticide accidents is found:

in the precautionary statements section of the pesticide label (first aid and other emergency info)


First aid for pesticide on the skin includes:

Removing contaminated clothing and washing with soap and water

If pesticides get into your eyes, you should always:

Flush eyes with clean water for 15 minutes and seek medical attention

If pesticide vapors are inhaled, first aid procedures include:

Loosen clothing, restore breathing if necessary, and seek medical care

When someone swallows a pesticide you should:

Get immediate medical care for victim

When cleaning up a spilled pesticide, the absorbent and all contaminated materials must be:

Put into sealed containers and shipped to a Class 1 disposal site

Information on cleaning up spilled pesticides can be found in the:

Accidental release measures section of the MSDS

Dealing with fires involving pesticides requires:

Professional help, equipped and trained to fight pesticide fires

If the wrong pesticide has been accidentally applied to a site, you should:

Notify the county agricultural commissioner at once

Which of the following is not a benefit of a pest monitoring program?


a. observing seasonal changes in pest populations


b. ability to use more pesticides and apply these more frequently


c. proper timing of pesticide applications


d. assessing the effectiveness of pest control measures

Ability to use more pesticides and apply these more frequently

Knowing something about the life history of a pest will help you to:

Plan pesticide applications and other control measures that are most appropriate to the pest

Which of the following indicators would not help you identify a pest?


a. feeding damage


b. webbing


c. fecal droppings


d. barometric pressure

barometric pressure

When making weed management decisions, which of the following information about the field is the least useful?


a. species of birds present in the area


b. the stage of development of weeds (seedling, flowering, postflowering)


c. species of weeds present


d. whether the relative abundance of different weed species is changing from previous years

species of birds present

a common use of a pheromone monitoring trap is to:

time insecticide sprays for optimal control

Pesticides that move deeper into soil (percolate) have a tendency to break down:

more slowly than pesticides on the soil surface

How do high levels of organic matter in the soil sometimes influence pesticide breakdown?

organic matter binds the pesticide, making it unavailable to microorganisms, slowing the breakdown


Three factors that make for effective pesticide use are:

Timing application to optimal weather conditions, pest susceptibility to the pesticide, and ability to protect natural enemies

Which of the following would not be a selective way of using a pesticide?


a. using the maximum label rate of broad spectrum pesticide and applying it uniformly


b. using spot treatments


c. making band treatments


d. using a systemic formulation to protect natural enemies

using the maximum label rate of broad spectrum pesticide and applying it uniformly

One way to reduce the chances of pesticide drift is to:

lower pressure in the system and use large-orifice nozzles

Which type of application equipment would produce the least amount of pesticide drift?

rope wick applicator

A spray tank must be equipped with an agitator if you are using:

wettable powders

The disadvantage of some hydraulic spray tank agitators is that they:

are not able to break up settled spray material in the tank

A sight gauge is required on pesticide tanks that are:

50 gallons or larger

What is a disadvantage of epoxy-coated metal spray tanks?

chips or scratches can lead to serious corrosion problems

What is a disadvantage of polyethylene or polyproplylene spray tanks?

They are difficult to repair when punctured

Which type of pump would be most suitable for a sprayer requiring an output of 25 gallons per minute at a pressure of 800 psi?

piston pump

Which type of pump would be most suitable for a spray situation requiring 200 gallons per minute at 100 psi?

centrifugal pump

The purpose of filter screens and strainers is to:

protect pumps and prevent clogged nozzles

Increasing nozzle orifice size will produce

larger droplets

To increase the uniformity of spray droplets:

select nozzles designed for the working pressure of your sprayer

A nozzle with a manufacturer's code of 65155 is designed to produce a volume of how many gallons per minute at 40 psi?

1.55

If your sprayer normally operates at 50 psi, it should be equipped with a pressure gauge that measures in the range of:

1 to 100 psi

An advantage of controlled droplet applicators (CDAs) over spray nozzles is:

CDAs produce droplets of more uniform size than nozzles

If the pressure of your sprayer drops off, this could be an indication that the:

pump is worn

Which of the following would not account for an uneven spray pattern on a boom sprayer?

Pressure in the system is adjusted to the operating range of the nozzles

Which of the following is the main reason for accurately measuring pesticides being put into your spray tank?

to avoid illegal overapplication

Frequent calibration of your application equipment will assure that you:

are using the correct amount of pesticide for effective pest control

Which of the following could be a result of proper equipment calibration?


a. better spray coverage during high winds


b. unnecessary loss of time and money


c. inadequate pest control


d. effective pest control

effective pest control

Why must you accurately measure the capacity of your spray tank?

Tank manufacturer capacity ratings may be inaccurate

When making a pesticide application, increasing travel speed of the spraying equipment will:

Decrease the amount of pesticide applied per acre

If sprayer output is not changed, what will you need to do to the travel speed of the application equipment to maintain the same rate per acre when the swath width narrows from 20 to 15 feet?

Increase speed

Which of the following in not a good reason for calibrating pesticide application equipment?


a. effective pest control


b. so equipment can be operated faster


c. protecting human health, the environment, and treated surfaces


d. complying with the law

so equipment can be operated faster

For calibration, which four factors need to be measured?

Tank capacity, travel speed, swath width, and sprayer output (flow rate)

To double the output volume of a sprayer by increasing pressure, you must adjust the pressure regulator to increase the pressure by a factor of:

By a factor of four

Your calibrated sprayer with a 300 gallon tank will cover 4.2 acres. You plan to apply an herbicide at a label rate of 1.5 pound per acre. How much herbicide will you put into the spray tank?

6.3 pounds

It takes your equipment 3 minutes to travel 264 feet. How fast, in miles per hour, is the equipment traveling?

1 mile per hour

By measuring the output of each nozzle on the spray boom, you discover that the sprayer output is 256 ounces in 30 seconds. What is the output of the sprayer in gallons per minute?

4 gallons per minute

How many acres can you treat if your sprayer holds 419 gallons and you've calibrated it to spray 80 gallons per acre?

6 feet

It took 24 gallons to refill and airblast sprayer after running it for 3 minutes. What is the sprayer's output in gallons per minute?

8 gallons per minute

Define acaricide

a pesticide used to control mites

What type of area are air blast sprayers typically used on?

They are typically used on tall plants such as trees or vines

Define anemometer

an instrument used for measuring wind speed

Antagonistic effect

reduced toxicity or effectiveness as a result of combining one pesticide with another

Avicide

a pesticide used to control birds

Bifluid nozzle

a special nozzle used for producing extremely fine droplets. Fluid is broken up into small droplets by passing through a high-velocity airstream

California Department of Pesticide Regulation (DPR)

the state agency responsible for regulating the use of pesticides in California

Caution

signal word used on the least toxic pesticides; oral LD50 greater than 500 and dermal LD50 greater than 2,000

Coalescent effect

the unique mode of action observed when two or more pesticides having different modes of action are combined

Cotyledon

the first leaf or pair of leaves of a sprouted plant

Danger

the signal word used on labels of highly hazardous pesticide; have an oral LD50 less than 50 or dermal LD50 less than 200, or having specific serious health or environmental hazards

Defoliant

a pesticide used to remove leaves from target plants, often as an aid in harvesting the plant

FIFRA

the Federal Insecticide, Fungicide, and Rodenticide Act. Federal law which regulates pesticide registration, labeling, use, and disposal in the US

Frass

solid fecal matter produced by insect larvae

Saprophyte

an organism that lives on dead or decaying organic matter

Section 18 Exemption

emergency exemption from registration

Synergism

a reaction in which a chemical that has no pesticidal qualities can enhance the toxicity of a pesticide it is mixed with

Warning

the signal word used on labels of pesticides considered to be moderately toxic or hazardous. Pesticides that have an oral LD50 between 50 to 500 and a dermal LD50 between 200 to 2,000

Wettable powder

a type of pesticide formulation consisting on an active ingredient that will not dissolve in water, combined with a mineral clay and other inert ingredients and ground into a fine powder

Dry formulation as percentage of active ingredient:

(number)W or (number) WP, where the number represents the percentage of active ingredient by weight. IE 50W would be 50% active ingredient by weight. 10 lbs of 50W would equal 5 lbs of active ingredient

Liquid formulations as a percentage of active ingredient:

Label represents pounds of active ingredient per gallon. Lorsban 4E would indicate 4 lbs of active ingredient per gallon of product. A 3.6 gallon container would contain 14.4 lbs of active ingredient.

How many feet in a mile?

5,280 feet

How many square feet in an acre?

43,560 sq ft