Environmental Studies ยท Biology
Pesticides and Pest Control
1,236 Questions
Pesticides and Pest Control focuses on the management of invasive species through chemical, biological, and cultural methods. It includes topics like integrated pest management, herbicide targets, and the ecological impacts of toxic chemicals. This subject is frequently tested in environmental science and agriculture exams.
Integrated Pest ManagementBiological Control AgentsHerbicide MechanismsChemical Pesticide ToxicityGenetic Pest ResistanceInvasive Species Management
Pesticides and Pest Control Questions
Which of the following is a natural pesticide?
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DDT
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Malathion
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Neem oil
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Glyphosate
C
Correct answer
Explanation
Neem oil is derived from the neem tree and is considered a natural pesticide due to its insecticidal and antifungal properties.
What is the term used to describe the accumulation of pesticides in the environment over time?
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Bioaccumulation
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Biomagnification
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Persistence
-
Resistance
A
Correct answer
Explanation
Bioaccumulation refers to the gradual buildup of pesticides in the tissues of organisms, often through the food chain.
Which type of pesticide is primarily used to control weeds?
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Herbicides
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Fungicides
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Insecticides
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Rodenticides
A
Correct answer
Explanation
Herbicides are specifically designed to target and control weeds that can compete with crops for nutrients and water.
What is the term used to describe the ability of pests to develop resistance to pesticides over time?
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Bioaccumulation
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Biomagnification
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Persistence
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Resistance
D
Correct answer
Explanation
Resistance refers to the ability of pests to develop genetic adaptations that reduce the effectiveness of pesticides.
Which of the following is a commonly used fungicide?
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DDT
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Mancozeb
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Glyphosate
-
2,4-D
B
Correct answer
Explanation
Mancozeb is a widely used fungicide that protects crops from fungal diseases.
Which of the following is a commonly used rodenticide?
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DDT
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Warfarin
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Glyphosate
-
2,4-D
B
Correct answer
Explanation
Warfarin is a commonly used rodenticide that targets and kills rodents.
What is the term used to describe the movement of pesticides through the soil and groundwater?
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Leaching
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Volatilization
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Bioaccumulation
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Persistence
A
Correct answer
Explanation
Leaching refers to the process by which pesticides are carried through the soil and groundwater by water.
Which of the following is a commonly used herbicide?
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DDT
-
2,4-D
-
Glyphosate
-
Mancozeb
C
Correct answer
Explanation
Glyphosate is a widely used herbicide that controls a broad range of weeds.
Which of the following is a commonly used insecticide?
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DDT
-
Malathion
-
Glyphosate
-
2,4-D
B
Correct answer
Explanation
Malathion is a commonly used insecticide that targets a wide range of insects.
What is the term used to describe the negative effects of pesticides on non-target organisms, such as beneficial insects and wildlife?
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Bioaccumulation
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Biomagnification
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Collateral damage
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Resistance
C
Correct answer
Explanation
Collateral damage refers to the negative effects of pesticides on non-target organisms, such as beneficial insects and wildlife.
Which of the following is a common use of boric acid?
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Antiseptic
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Eye wash
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Fertilizer
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Herbicide
A
Correct answer
Explanation
Boric acid is commonly used as an antiseptic due to its ability to inhibit the growth of bacteria and fungi.
What is the role of borates in the production of wood preservatives?
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Insecticide
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Fungicide
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Termiticide
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Water repellent
B
Correct answer
Explanation
Borates are used as fungicides in the production of wood preservatives, helping to protect wood from fungal decay and rot.
Which of the following is an example of a bioremediation technology that is used to remove pesticides from soil?
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Landfarming
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Bioaugmentation
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Composting
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Phytoremediation
A
Correct answer
Explanation
Landfarming is a bioremediation technology that involves spreading contaminated soil over a large area of land and allowing microorganisms to degrade the contaminants. The microorganisms use the contaminants as a food source and break them down into harmless substances.
Which pesticide is most commonly associated with water pollution?
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DDT
-
Atrazine
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Glyphosate
-
2,4-D
B
Correct answer
Explanation
Atrazine is a commonly used herbicide that has been found to contaminate surface water and groundwater in agricultural areas.
Which crop has been genetically modified to produce a natural insecticide?
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Cotton
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Soybean
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Corn
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Wheat
A
Correct answer
Explanation
Genetically modified cotton plants have been developed to produce a natural insecticide called Bt toxin, which protects the plants from pests.