#1
Which type of pesticide targets a wide range of pests and is not specific to a particular species?
Broad-spectrum pesticide
ExplanationTargets various pests without specificity.
#2
Which of the following is not a method of weed control?
Irrigation
ExplanationIrrigation is not a weed control method.
#3
What does the term 'non-selective herbicide' imply?
It kills or inhibits the growth of all plants it comes into contact with.
ExplanationAffects all contacted plants without selectivity.
#4
Which of the following is a cultural weed control method?
Using mechanical tillage
ExplanationCultural method involving mechanical tillage.
#5
What is the recommended method for disposing of leftover pesticides?
Following local hazardous waste disposal guidelines
ExplanationDispose according to local hazardous waste guidelines.
#6
What is the primary purpose of pre-emergence herbicides?
To control weeds before they germinate and emerge
ExplanationManages weeds before germination and emergence.
#7
Which of the following is a common selective herbicide used to control broadleaf weeds in lawns?
2,4-D
ExplanationSelective herbicide for broadleaf weed control.
#8
What is the mechanism of action of contact herbicides?
They kill only the plant parts they directly touch.
ExplanationSelective action on contacted plant parts.
#9
Which of the following is a benefit of using integrated pest management (IPM) for weed control?
It combines cultural, biological, mechanical, and chemical methods to minimize weed impact.
ExplanationIntegrated approach to minimize weed impact.
#10
What is the primary goal of using crop rotation as a weed management strategy?
To prevent the establishment of weed populations adapted to specific crops
ExplanationPreventing adaptation of weeds to specific crops.
#11
What is the term for the practice of rotating different herbicides to prevent the development of resistance in weed populations?
Resistance management
ExplanationPreventing weed resistance through herbicide rotation.
#12
Which application method involves applying pesticides directly to the soil around the base of plants?
Soil drench
ExplanationDirect application to soil around plant base.
#13
What is the effect of systemic herbicides on plants?
They are absorbed and move within the plant to target sites.
ExplanationSystemic movement within plants to target sites.
#14
In the context of pesticide resistance, what does the term 'mode of action' refer to?
The specific biochemical interaction through which a pesticide compound causes lethal effect on its target pest
ExplanationBiochemical interaction causing lethal effect.
#15
Which application technique minimizes pesticide drift?
Utilizing larger droplet sizes in the spray solution
ExplanationMinimizes drift by using larger droplets.