Integrated pest management

Question No. 1 Marks +1 -0 Time

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What is the primary goal of Integrated Pest Management (IPM)?

A. To completely eradicate all pest populations from a given area.
B. To rely solely on chemical pesticides for pest control.
C. To manage pests in a way that is economically viable, environmentally sound, and socially acceptable.
D. To introduce as many non-native species as possible to control pests.

Question No. 2 Marks +1 -0 Time

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Which of the following is NOT a primary component of an IPM program?

A. Pest identification
B. Scheduled, calendar-based pesticide application
C. Monitoring of pest populations
D. Setting action thresholds

Question No. 3 Marks +1 -0 Time

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The 'Economic Threshold' in IPM refers to the pest density at which...

A. The pest population is first detected.
B. Control measures should be applied to prevent the pest population from reaching the Economic Injury Level.
C. The pest has caused maximum possible damage.
D. Biological control agents should be released, regardless of cost.

Question No. 4 Marks +1 -0 Time

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Which of the following is an example of a cultural control method in IPM?

A. Using a pesticide to kill insects.
B. Introducing ladybugs to eat aphids.
C. Hand-picking caterpillars off plants.
D. Rotating crops to disrupt pest life cycles.

Question No. 5 Marks +1 -0 Time

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Using pheromone traps to disrupt mating of insects is an example of what type of control?

A. Biological control
B. Mechanical control
C. Chemical control
D. Cultural control

Question No. 6 Marks +1 -0 Time

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What is a significant advantage of using biological control methods in IPM?

A. They provide an immediate and complete solution to pest problems.
B. They are generally very specific to the target pest and have minimal impact on non-target organisms.
C. They are always the least expensive option.
D. They do not require any specialized knowledge to implement.

Question No. 7 Marks +1 -0 Time

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Which of the following represents a 'mechanical' or 'physical' control method?

A. Planting a pest-resistant variety of a crop.
B. Using screens on windows to prevent insects from entering a building.
C. Spraying a neem-based insecticide.
D. Releasing parasitic wasps to control aphids.

Question No. 8 Marks +1 -0 Time

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In an IPM approach, when are chemical pesticides typically used?

A. As the first line of defense for any pest problem.
B. On a regular, preventative schedule.
C. Never, as IPM prohibits the use of all chemicals.
D. As a last resort, when other methods are insufficient to control the pest population below the economic threshold.

Question No. 9 Marks +1 -0 Time

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What is the 'Economic Injury Level' (EIL)?

A. The pest population density at which the cost of control equals the value of the crop damage caused by the pest.
B. The point at which a single pest is observed.
C. The level at which a pest becomes a nuisance, regardless of economic impact.
D. The recommended time to apply preventative pesticides.

Question No. 10 Marks +1 -0 Time

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Which of the following is a potential challenge of implementing an IPM program?

A. It often leads to increased pesticide resistance in pests.
B. It is less effective in the long term compared to conventional pest control.
C. It can be more knowledge-intensive and may require more monitoring than conventional methods.
D. It always results in lower crop yields initially.

Question No. 11 Marks +1 -0 Time

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What does 'Host Plant Resistance' refer to in IPM?

A. The ability of a plant to resist the effects of chemical pesticides.
B. The use of crop varieties that are naturally less susceptible to pest attacks.
C. The practice of removing host plants to starve pests.
D. A method of making plants more attractive to pests to trap them.

Question No. 12 Marks +1 -0 Time

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How does 'conservation biological control' contribute to IPM?

A. By introducing non-native predators to control a pest.
B. By creating a habitat that is unfavorable for all insects.
C. By protecting and enhancing the populations of existing natural enemies of pests.
D. By conserving the pest population for future study.

Question No. 13 Marks +1 -0 Time

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Which of these is an example of a 'biorational' pesticide often used in IPM?

A. A broad-spectrum organophosphate insecticide.
B. Neem oil, which has multiple modes of action and lower toxicity to mammals.
C. A synthetic pyrethroid that is toxic to a wide range of insects.
D. A chlorinated hydrocarbon insecticide.

Question No. 14 Marks +1 -0 Time

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What is the role of 'monitoring' or 'scouting' in an IPM program?

A. To apply pesticides at fixed intervals.
B. To determine the exact number of pests for eradication.
C. To assess pest populations and damage levels to make informed control decisions.
D. To count the number of beneficial insects after a pesticide application.

Question No. 15 Marks +1 -0 Time

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Which of the following is an example of a 'cultural' control practice?

A. Using a fly swatter.
B. Setting a mousetrap.
C. Altering planting dates to avoid peak pest populations.
D. Spraying a fungicide.

Question No. 16 Marks +1 -0 Time

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What is a 'trap crop' in the context of IPM?

A. A crop that is highly resistant to all pests.
B. A crop planted to attract pests away from the main cash crop.
C. A crop that is used to manufacture pest traps.
D. A genetically modified crop that kills any insect that feeds on it.

Question No. 17 Marks +1 -0 Time

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Why is proper pest identification a critical first step in an IPM program?

A. To ensure that a beneficial organism is not mistaken for a pest.
B. To select the most effective and specific control methods.
C. To understand the pest's life cycle and its vulnerabilities.
D. All of the above.

Question No. 18 Marks +1 -0 Time

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The use of beneficial nematodes to control soil-dwelling insect pests is an example of:

A. Augmentative biological control.
B. Classical biological control.
C. Conservation biological control.
D. Mechanical control.

Question No. 19 Marks +1 -0 Time

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What is a primary environmental benefit of a successful IPM program?

A. Increased soil salinity.
B. Reduced pesticide runoff into waterways.
C. An increase in the population of the target pest.
D. Decreased biodiversity in the treated area.

Question No. 20 Marks +1 -0 Time

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Which of the following is a physical method of pest control?

A. Crop rotation
B. Tillage (ploughing) to expose pests to predators and the elements.
C. Releasing predatory mites.
D. Using insect growth regulators.

Question No. 21 Marks +1 -0 Time

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What is meant by 'judicious use' of pesticides in IPM?

A. Using the cheapest pesticide available.
B. Using pesticides only when monitoring indicates they are needed, and selecting the most appropriate, least-disruptive product.
C. Using a cocktail of multiple pesticides to ensure effectiveness.
D. Applying pesticides to the entire farm, regardless of where the pest is found.

Question No. 22 Marks +1 -0 Time

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Why is it important to consider the life cycle of a pest when developing an IPM strategy?

A. To target the most vulnerable stage of the pest.
B. To apply pesticides when the pest is most resistant.
C. To ensure the pest has a chance to reproduce.
D. To find the best time to introduce a food source for the pest.

Question No. 23 Marks +1 -0 Time

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The practice of removing and destroying crop residues after harvest to eliminate overwintering sites for pests is a form of:

A. Regulatory control.
B. Sanitation, a type of cultural control.
C. Biological control.
D. Chemical control.

Question No. 24 Marks +1 -0 Time

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What is a potential economic benefit of adopting IPM?

A. Guaranteed higher market prices for the crop.
B. Reduced costs on pesticides and potential for higher yields in the long term.
C. Increased need for farm labor, thereby boosting local employment.
D. The ability to sell the crop as 'chemical-free' regardless of practices.

Question No. 25 Marks +1 -0 Time

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What is 'classical biological control'?

A. The practice of importing and releasing natural enemies to control an introduced (non-native) pest.
B. The use of native predators to control native pests.
C. Controlling pests using methods from classical antiquity.
D. The periodic release of a large number of natural enemies.

Question No. 26 Marks +1 -0 Time

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How can intercropping contribute to IPM?

A. It simplifies farm management.
B. It can confuse pests looking for their host plant, provide habitat for beneficial insects, and slow the spread of diseases.
C. It ensures that all plants are of the same species.
D. It creates a monoculture that is easier to spray with pesticides.

Question No. 27 Marks +1 -0 Time

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Why is record-keeping an important part of an IPM program?

A. To track pest populations, control measures used, and their effectiveness over time.
B. To fulfill a legal requirement that has no practical application.
C. To share secret farming techniques with competitors.
D. To calculate the maximum amount of pesticide that can be legally applied.

Question No. 28 Marks +1 -0 Time

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Which of the following is an example of a regulatory pest control method?

A. A farmer deciding to spray a pesticide based on scouting reports.
B. A government-enforced quarantine to prevent the spread of an invasive insect.
C. A homeowner using a fly trap.
D. A gardener planting marigolds to repel nematodes.

Question No. 29 Marks +1 -0 Time

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What is the main reason for rotating pesticides with different modes of action in an IPM program?

A. To make the chemical cocktail more potent.
B. To reduce the overall cost of pesticides.
C. To delay or prevent the development of pesticide resistance in the target pest population.
D. To support a wider range of chemical manufacturers.

Question No. 30 Marks +1 -0 Time

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Which statement best describes the philosophy of IPM?

A. 'The only good bug is a dead bug.'
B. 'Spray and pray.'
C. 'Prevention, monitoring, and intervention as a last resort.'
D. 'Let nature take its course, no matter the outcome.'

Question No. 31 Marks +1 -0 Time

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What role do beneficial insects, such as ladybugs and lacewings, play in IPM?

A. They are primary crop pests.
B. They are natural enemies of pest insects, acting as biological control agents.
C. They are pollinators that are unaffected by pesticides.
D. They are indicators of poor soil health.

Question No. 32 Marks +1 -0 Time

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What type of control is setting up a sticky trap to catch whiteflies?

A. Biological Control
B. Cultural Control
C. Chemical Control
D. Mechanical Control

Question No. 33 Marks +1 -0 Time

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Which of the following practices is LEAST likely to be a component of an IPM strategy for weed management?

A. Mulching
B. Hand-weeding
C. Application of a non-selective herbicide over the entire field every month
D. Using cover crops

Question No. 34 Marks +1 -0 Time

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What is the purpose of a 'scouting report' in agriculture?

A. To report on the weather forecast.
B. To document observations of pest and beneficial insect populations in a field.
C. To provide a history of the land ownership.
D. To list the prices of different pesticides.

Question No. 35 Marks +1 -0 Time

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The use of resistant rootstocks in grafting fruit trees to protect them from soil-borne diseases is an example of:

A. Host plant resistance.
B. Chemical control.
C. Mechanical control.
D. Biological control.

Question No. 36 Marks +1 -0 Time

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Why is it important in IPM to preserve a 'refuge' of non-resistant pests when using certain control technologies like Bt crops?

A. To provide food for beneficial insects.
B. To ensure the pest species does not go extinct.
C. To slow the evolution of resistance to the control technology.
D. To have a source of pests for scientific study.

Question No. 37 Marks +1 -0 Time

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What is a 'systemic' pesticide?

A. A pesticide that only works when it directly contacts the pest.
B. A pesticide that is absorbed by the plant and moves throughout its tissues, killing pests that feed on the plant.
C. A pesticide that only affects the root system of a plant.
D. A natural pesticide derived from plants.

Question No. 38 Marks +1 -0 Time

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Which of the following is a primary goal of 'ecological engineering' in the context of IPM?

A. To design aesthetically pleasing farm landscapes.
B. To engineer pests to be less harmful.
C. To modify the farm environment to enhance the effectiveness of natural enemies.
D. To create new chemical pesticides through genetic engineering.

Question No. 39 Marks +1 -0 Time

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What is a significant drawback of relying exclusively on broad-spectrum chemical pesticides?

A. They are often difficult to apply.
B. They can kill beneficial organisms, including pollinators and natural enemies of pests.
C. They are always more expensive than other methods.
D. They require frequent reapplication, often daily.

Question No. 40 Marks +1 -0 Time

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The term 'integrated' in IPM refers to:

A. Integrating the farm into the local community.
B. Using a combination of compatible control methods to manage pests.
C. Integrating the cost of pest control into the final price of the product.
D. Integrating foreign pests into the local ecosystem.

Question No. 41 Marks +1 -0 Time

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Which of the following is NOT a good reason for setting an action threshold?

A. To avoid unnecessary pesticide applications.
B. To act before pest populations cause economic loss.
C. To eradicate the pest population completely.
D. To base control decisions on economic and ecological factors.

Question No. 42 Marks +1 -0 Time

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The use of steam sterilization to kill soil pathogens before planting a crop is a form of:

A. Physical control.
B. Cultural control.
C. Biological control.
D. Chemical control.

Question No. 43 Marks +1 -0 Time

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Why is a healthy, vigorous crop the foundation of a good IPM program?

A. Healthy crops look better to consumers.
B. Healthy crops are better able to tolerate some pest damage without significant yield loss.
C. Pesticides work more effectively on healthy crops.
D. Pests are not attracted to healthy crops.

Question No. 44 Marks +1 -0 Time

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What is an example of 'augmentative biological control'?

A. Protecting existing spiders in a field.
B. Importing a parasitoid from another country to control an invasive pest.
C. Periodically releasing commercially reared ladybugs to control an aphid outbreak.
D. Planting a cover crop.

Question No. 45 Marks +1 -0 Time

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Which factor is LEAST important when selecting a pesticide for use in an IPM program?

A. The toxicity of the pesticide to non-target organisms.
B. The mode of action of the pesticide.
C. The cost per acre, regardless of other factors.
D. The persistence of the pesticide in the environment.

Question No. 46 Marks +1 -0 Time

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How does tillage, or ploughing, act as a mechanical form of pest control?

A. It introduces new pests to the soil.
B. It buries pests deep in the soil where they can thrive.
C. It directly kills some pests, disrupts their habitat, and exposes them to predators and harsh weather.
D. It adds essential nutrients to the soil that repel pests.

Question No. 47 Marks +1 -0 Time

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The use of 'mating disruption' for pests like the codling moth involves:

A. Introducing sterile male insects to the population.
B. Using physical barriers to prevent males and females from finding each other.
C. Releasing a synthetic version of the female sex pheromone to confuse males and prevent them from finding mates.
D. Spraying a chemical that makes the pests unattractive to each other.

Question No. 48 Marks +1 -0 Time

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What is a major benefit of IPM for consumers of agricultural products?

A. It guarantees that the food will be cheaper.
B. It can lead to lower residues of chemical pesticides on food.
C. It ensures that all food is 100% free of any blemishes.
D. It increases the shelf life of all produce.

Question No. 49 Marks +1 -0 Time

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Which of the following is a density-dependent factor that might regulate a pest population?

A. A sudden frost.
B. A broad-spectrum insecticide application.
C. An increase in the population of a specific predator as the pest population increases.
D. A drought.

Question No. 50 Marks +1 -0 Time

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In IPM, what is the first line of defense against pests?

A. Chemical sprays
B. Prevention
C. Biological control
D. Eradication

Question No. 51 Marks +1 -0 Time

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What is a primary reason for the development of IPM?

A. The desire to use more chemicals in agriculture.
B. Widespread pesticide resistance and negative environmental impacts from over-reliance on chemical pesticides.
C. A government mandate to increase food production at any cost.
D. The discovery of a single, perfect pesticide.

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