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ZPC OI > OI overall review > Flashcards

OI overall review Flashcards

1
Q

You work for an ornamental pesticide application company where your jobs contains a variety of plant materials including ornamentals, fruit trees and home gardens. Your tank mix contains three products: 1) an insecticide labeled only for ornamentals, 2) a fungicide labeled only for food crops and 3) a fungicide labeled for ornamentals and food crops. Which of the following statements is correct? A. It is legal to apply this tank mix to any plant that is on at least one of the three labels. B. It is illegal to apply this tank mix since ornamentals and food crops are not listed on all three labels. C. It is legal to apply this tank mix to any plant as long as the intended pests are on all three labels. D. It is Legal to apply this tank mix to fruit trees since they can be ornamental plantings as well as food crops

A

B. It is illegal to apply this tank mix since ornamentals and food crops are not listed on all three labels.

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2
Q

Sometimes, when two or more products are mixed together, the mixture results in precipitates, gelatin, clumps, or ineffective pesticides. What term is used to describe this chemical or physical separation of products? A. Resistance B. Synergism C. Adsorption D. Incompatibility

A

D. Incompatibility

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3
Q

A pesticide label bears a single registered use: control of two-spotted spider mites on roses. Which one of the following would be legal under current state and federal pesticide laws? A. Control of McDaniel spider mites on roses B. There are no legal recommendations C. Control of two-spotted spider mites on apples D. Control of the McDaniel spider mites on ornamental cherry

A

A. Control of McDaniel spider mites on roses

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4
Q

Of the various factors that may favor off-target drift, which of the following has the greatest effect? A. Humidity B. Barometric pressure C. Height of application D. Tank mix concentration

A

C. Height of application

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5
Q

Why is it important to have ample strainers in a spray system? A. To reduce wear on the nozzles B. To keep nozzles from plugging C. To reduce pump pressure required to operate the system D. To produce more uniform-sized droplets from the nozzles

A

B. To keep nozzles from plugging

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6
Q

Which formulation requires constant agitation in a spray tank? A. Granule B. Flowable C. Soluble powder D. Wettable powder

A

D. Wettable powder

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7
Q

Which of the following affects the spray volume delivered to the target? A. Nozzle type B. Tank volume C. pesticide formulation D. Type of sprayer pump

A

A. Nozzle type

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8
Q

Which of the following is necessary to achieve uniform coverage when making an application on an area basis (ie per 1,000sqft)? A. Make sure your sprayer is operating at the same pressure and speed as when it was calibrated B. Operate the sprayer at the fastest, safest speed possible to compensate for boom movement C. Replace all nozzles on the boom if a single nozzle varies more than 15% from the average output D. Use maximum pump pressures to ensure constant, even flow and distribution of the product to the target site.

A

A. Make sure your sprayer is operating at the same pressure and speed as when it was calibrated

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9
Q

What is a recommended method for unclogging a spray nozzle? A. Blow on it with your mouth B. Use a soft brush to dislodge material C. Use a paper clip to dislodge the material D. Increase operating pressure to dislodge the material

A

B. Use a soft brush to dislodge material

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10
Q

What is the appropriate procedure to clean a spray tank after completing an application? A. Open the sprayer fill opening and allow the rinse material to evaporate B. Rinse at the application site. Apply rinse water to labeled application site C. Wash the sprayer on a graveled area and allow the rinse water to evaporate or soak into the ground D. Put the rinse water into an empty product container. Take it for appropriate disposal at a sanitary or waste disposal site

A

B. Rinse at the application site. Apply rinse water to labeled application site

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11
Q

What procedures do you follow to prepare an insecticide drum (container) for proper disposal? A. Scour the inside with sand B. Triple rinse the drum and add the rinse water to your insecticide spray tank C. Drums are exempted from rinsing as long as the cap is capable of forming a tight seal D. Do not attempt to clean the drum, as this may result in environmental contamination or human exposure

A

B. Triple rinse the drum and add the rinse water to your insecticide spray tank

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12
Q

A product is labeled for European crane fly control on turf-grass at a rate of three pounds of product in 30 gallons of water per 1,000 sq ft. All of the following statements - except for one - describe a legal application. Which statement describes an ILLEGAL application? A. Tank mixing the product with water and a commercial fertilizer B. Use 3 pounds of product in 60 gallons of water per 1,000 sq ft C. Use 6 pounds of product in 30 gallons of water per 1,000 sq ft D. Use for sowbug control, but obeying all other label restrictions for turf

A

C. Use 6 pounds of product in 30 gallons of water per 1,000 sq ft

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13
Q

What is the Area?

A. 200sqft

B. 4,300sqft

C. 4,100sqft

D. 6,400sqft

A

C. 4,100sqft

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14
Q

Your sprayer is calibrated to deliver 0.25 gallons per 1,000sqft. How many gallons of spray solution do you need to treat an area 170 ft by 90 ft?

A. .5

B. 1.2

C. 2.9

D. 3.8

A

D. 3.8

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15
Q

All insects have a body that is divided into:

A. Two regions: head, thorax

B. Two regions: head, cephalothorax

C. Three regions: head, tarsus, thorax

D. Three regions: head, thorax, abdomen

A

D. Three regions: head, thorax, abdomen

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16
Q

Which of the following insects have chewing mouthparts?

A. Loopers and Weevils

B. Aphids and Psyllids

C. Leafhoppers and Stinkbugs

D. Big-eyed bugs and Spider mites

A

A. Loopers and Weevils

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17
Q

Mites are most closely related to:

A. Ticks

B. Aphids

C. Bed Bugs

D. Leafhoppers

A

A. Ticks (Aracnid)

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18
Q

Which of the following can suppress plant-feeding mite populations?

A. Nematicides

B. Predatory mites

C. Dry, Dusty conditions

D. Aphid competition for food

A

B. Predatory mites

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19
Q

Which of the folloing is MOST closely related to scale insects?

A. Thrips

B. Aphids

C. Spiders

D. Rust mites

A

B. Aphids

20
Q

Most spiders are found in the pacific northwest:

A. Are beneficial insects

B. Threaten human health

C. Are beneficial predators

D. Cause economic losses due to their feeding

A

C. Are beneficial predators

21
Q

What are the developmental stages of the insects that undergo simple (gradual) metamorphasis?

A. Egg, Nymph, Adult

B. Egg, Larva, Adult

C. Egg, Larva, Pupa, Adult

D. Egg, Nymph, Pupa, Adult

A

A. Egg, Nymph, Adult

22
Q

Which of the following are considered beneficial insects?

A. Weevils and Sawflies

B. Lygus bugs and Beetle grubs

C. McDaniel spider mites and Two-spotted spider mites

D. Syrphid Flies and Braconid Wasps

A

D. Syrphid Flies and Braconid Wasps

23
Q

Which stage of a moth life cycle is typically the most susceptible to insecticides?

A. Eggs

B. Pupae

C. First instar larvae

D. Fourth instar larvae

A

C. First instar larvae

24
Q

Systemic insecticides are particularly effective in controlling insect pests with:

A. Rasping mouthparts

B. Chewing mouthparts

C. Sponging mouthparts

D. Piercing and sucking mouthparts

A

D. Piercing and sucking mouthparts

25
Q

Which of the following grougs spread plant viruses?

A. Thrips and earwigs

B. Loopers and weevils

C. Needleminers and wireworms

D. Leafhoppers and aphids

A

D. Leafhoppers and aphids

26
Q

Some insects have tremendous reproductive capacity and are potentially able to build up huge populations. This usually does not occur because of:

A. The use of broad-spectrum pesticides

B. Reproductive sterility resulting from exposure to insecticides

C. The large number of predators and parasiites that feed on them

D. The continual encroachment and destruciton of the natural environment that serves as a refuge for insects

A

C. The large number of predators and parasiites that feed on them

27
Q

A root rot desease would DIRECTLY affect the plant’s ability to:

A. Absorb nutrients

B. Produce seeds

C. Photosynthesize

D Produce carbohydrates

A

A. Absorb nutrients

28
Q

Foliar fungal deseases, such as dogwood anthracnose, directly reduce the plant’s:

A. Seed production

B. Photosynthetic ability

C. Water-holding capacity

D. Water and nutrient absorption

A

B. Photosynthetic ability

29
Q

Most fungi reproduce by:

A. Eggs

B. Seeds

C. Spores

D. Mycelium

A

C. Spores

30
Q

Plant pathogenic bacteria:

A. Can reproduce in living cells

B. Are commonly transmitted by insects

C. Are capable of penetrating through the protective barrier of plants surfaces

D. May enter the plant through pores (stomates), wounds and other openings

A

D. May enter the plant through pores (stomates), wounds and other openings

31
Q

Powdery mildews differ from many other types of fungal disease-causing organisms in that they?

A. Do not reproduce by spores

B. Can be controlled by fungicides after infection occurs

C. Develop within the protective surfaces of the plant

D. Do not have to reach sexual maturity to produce spores

A

B. Can be controlled by fungicides after infection occurs

32
Q

What factors must be present in order for any plant disease to develop?

A. A susceptible plant, causal agent, and low humidity

B. High humidity, favorable environment, and abundant nitrogen

C. A susceptible plant, causal agent, and a favorable environment

D. A resistant plant, causal agent and high humidity

A

C. A susceptible plant, causal agent, and a favorable environment

33
Q

Viruses that cause plant disease may travel from plant to plant by which means?

A. wind-borne viral spores

B. Hypertrophy of plant tissues

C. Water movement through soil

D. Insect movement among plants

A

D. Insect movement among plants

34
Q

Non-parasitic plant diseases differ from parasitic plant diseases in that non-parasitic plant diseases:

A. Are independent of environment factors

B. Are easily corrected with pesticide applications

C. Cannot be transmitted to healthy plants by living agents

D. Gradually appear and generally become progressively worse over time

A

C. Cannot be transmitted to healthy plants by living agents

35
Q

Which of the following are signs of a fungal disease?

A. Cast skins and eggs

B. Chlorosis and necrosis

C. submicroscopic particles

D. fruiting bodies, hyphae and spores

A

D. fruiting bodies, hyphae and spores

36
Q

Spots appear which vary in size and are generally round, although they are occasionally elongated on stems. Zones of different color and texture develop, giving the spot a “bulls-eye” effect. Leaf veins do not limit spots. This is most typical of:

A. Fungal leaf spots

B. Bacterial leaf spots

C. Powdery mildew sopts

D. Chemical spray injury spots

A

A. Fungal leaf spots

37
Q

The basis for most chemical based disease control strategies is the application of a protective film of pesticide to the plant surface:

A. Before infection occurs

B. Immediately before irrigation or rainfall

C. Only if the disease involved is non-parasitic

D. Immediately after disease symptoms are noticed

A

A. Before infection occurs

38
Q

When conducting an insect IPM program, which of the following allows you to properly time insecticide applications to ensure control of a pest insect?

A. Us of residual insecticides within the first month of the growing season

B. Use of broad-spectrum insecticides on dates determined at the start of the growing season

C. Use of a variety of insecticides when insects are first observied

D. Use of insectides based on proper pest identification and knowledge of the insect’s life cycle

A

D. Use of insectides based on proper pest identification and knowledge of the insect’s life cycle

39
Q

Cultural insect procedures are based on which of the following principles?

A. Preventing insect damage by application of feeding deterrents

B. Disrupting insect development through the use of certain hormones

C. Changing the environment so conditions are less favorable for the pest species

D. Timing insecticide applications to coinside with certain stages of insect development

A

C. Changing the environment so conditions are less favorable for the pest species

40
Q

The main advantage of biological control program aimed at insect pests is:

A. It takes a small number of predator insects to control a large pest population

B. It can become self-supporting and integrated into the environment

C. Once it is put into motion, immediate control is practially assured

D. The organophosphates used in a biological control program are the least toxic

A

B. It can become self-supporting and integrated into the environment

41
Q

Removaland burning of diseased or infected plants is which type of pest control?

A. Cultural

B. Cosmetic

C. Exclusion

D. Biological

A

A. Cultural

42
Q

Parasitic organisms used in biological control programs are generally:

A. Host specific

B. Larger than the host

C. Found outside the host’s native range

D. Capable of eradicating the host insect population

A

A. Host specific

43
Q

IPM is pest control based on which of the following principles?

A. Pest eradicsation through chemical and non-chemical strategies

B. Pest management through chemical and non-chemical strategies

C. Pest management using a combination of different pesticide groups

D. Pest eradication using a management program which combines different pesticide groups at established time periods

A

B. Pest management through chemical and non-chemical strategies

44
Q

When a protectant fungicide is used for plant disease management, it is necessary to:

A. Us dormant oil tank mixes

B. Make at least one preplant application

C. Achieve complete coverage of the leaf surfaces, top and bottom

D. Make regular soil-incorporated applications throughout the growing season

A

C. Achieve complete coverage of the leaf surfaces, top and bottom

45
Q

Insecticides that interfere with the molting process of insects are called:

A. Pathogens

B. Pheromones

C. Organophosphates

D. Juvenile hormones

A

D. Juvenile hormones

46
Q

Granular, systemic insecticides used on ornamental trees and shrubs become active by:

A. The insect directly feeding on the granules

B. Rainfall or irrigation

C. Mixing with spray oils and then spraying the plant for foliar uptake

D. Mixing with water in a spray tank and then spraying the plants for foliar uptake

A

B. Rainfall or irrigation

47
Q
A

ZPC OI (3 decks)

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