QAL Cat B: Landscaping Maintenance
Pest Control Exam 2026 Questions and
Answers
Which of the following is not a characteristic of weeds?
A. Some weeds are poisonous to people or animals
B. Weeds interfere with the safety or use of landscaped areas
C. Most weeds produce large quantities of seeds, even under adverse conditions
D. Weeds enhance the growth of landscape plants - Correct answer-D. Weeds
enhance the growth of landscape plants
Perennial weeds are generally the most difficult to control because they
A. Produce more seeds than other types of plants
B. Can reproduce and spread from storage organs such as rhizomes and tubers
C. Have seeds that remain viable longer than those of annual and biennial plants
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,D. Have hairy leaves that repel herbicides - Correct answer-B. Can reproduce and
spread from storage organs such as rhizomes and tubers
Which of the following insect orders includes species known to transmit some
plant diseases?
A. Orthoptera (crickets and grasshoppers)
B. Thysanura (firebrats and silverfish)
C. Blattodea (cockroaches)
D. Thysanoptera (thrips) - Correct answer-D. Thysanoptera (thrips)
Which feature characterizes vertebrates?
A. Never lay eggs
B. Has fur
C. Has backbone
D. All of the above - Correct answer-C. Has backbone
Which of the following order of insects includes species that are pests of living
plants?
A. Isoptera (termites)
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,B. Thysanura (firebrats and silverfish)
C. Blattodea (cockroaches)
D. Heteroptera (true bugs) - Correct answer-D. Heteroptera (true bugs)
The immature stages of an insect are known as
A. Instars
B. Metamorphoses
C. Juveniles
D. Pre-adults - Correct answer-A. Instars
Which of the following groups of insect orders include both pests and beneficial a
that attack pest species?
A. Hymenoptera (wasps and bees), thysanoptera (thrips), and Heteroptera (true
bugs)
B. Thysanura (firebrats and silverfish), Blattodea (cockroaches), and dermaptera
(earwigs)
C. Isoptera (termites), mallophaga (chewing lice), and anoplura (sucking lice)
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, D. Homoptera (aphids and whiteflies), Lepidoptera (moths and butterflies), and
siphonaptera (fleas) - Correct answer-A. Hymenoptera (bees and wasps),
Thysanoptera (thrips), and Heteroptera (true bugs)
Which of the following insects suck plant juices out of plant cells?
A. Dermaptera (earwigs)
B. Homoptera (aphids and whiteflies)
C. Lepidoptera (moths and butterflies)
D. Orthoptera (crickets and locusts) - Correct answer-B. Homoptera (aphids and
whiteflies)
Which part of a plant do nematodes most commonly attack?
A. Fruit
B. Roots and other underground plant parts
C. Germinating seeds
D. Flowers - Correct answer-B. Roots and other underground plant parts
Which of the following types of plant disorders cannot be transmitted from plant to
plant?
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Pest Control Exam 2026 Questions and
Answers
Which of the following is not a characteristic of weeds?
A. Some weeds are poisonous to people or animals
B. Weeds interfere with the safety or use of landscaped areas
C. Most weeds produce large quantities of seeds, even under adverse conditions
D. Weeds enhance the growth of landscape plants - Correct answer-D. Weeds
enhance the growth of landscape plants
Perennial weeds are generally the most difficult to control because they
A. Produce more seeds than other types of plants
B. Can reproduce and spread from storage organs such as rhizomes and tubers
C. Have seeds that remain viable longer than those of annual and biennial plants
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,D. Have hairy leaves that repel herbicides - Correct answer-B. Can reproduce and
spread from storage organs such as rhizomes and tubers
Which of the following insect orders includes species known to transmit some
plant diseases?
A. Orthoptera (crickets and grasshoppers)
B. Thysanura (firebrats and silverfish)
C. Blattodea (cockroaches)
D. Thysanoptera (thrips) - Correct answer-D. Thysanoptera (thrips)
Which feature characterizes vertebrates?
A. Never lay eggs
B. Has fur
C. Has backbone
D. All of the above - Correct answer-C. Has backbone
Which of the following order of insects includes species that are pests of living
plants?
A. Isoptera (termites)
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,B. Thysanura (firebrats and silverfish)
C. Blattodea (cockroaches)
D. Heteroptera (true bugs) - Correct answer-D. Heteroptera (true bugs)
The immature stages of an insect are known as
A. Instars
B. Metamorphoses
C. Juveniles
D. Pre-adults - Correct answer-A. Instars
Which of the following groups of insect orders include both pests and beneficial a
that attack pest species?
A. Hymenoptera (wasps and bees), thysanoptera (thrips), and Heteroptera (true
bugs)
B. Thysanura (firebrats and silverfish), Blattodea (cockroaches), and dermaptera
(earwigs)
C. Isoptera (termites), mallophaga (chewing lice), and anoplura (sucking lice)
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, D. Homoptera (aphids and whiteflies), Lepidoptera (moths and butterflies), and
siphonaptera (fleas) - Correct answer-A. Hymenoptera (bees and wasps),
Thysanoptera (thrips), and Heteroptera (true bugs)
Which of the following insects suck plant juices out of plant cells?
A. Dermaptera (earwigs)
B. Homoptera (aphids and whiteflies)
C. Lepidoptera (moths and butterflies)
D. Orthoptera (crickets and locusts) - Correct answer-B. Homoptera (aphids and
whiteflies)
Which part of a plant do nematodes most commonly attack?
A. Fruit
B. Roots and other underground plant parts
C. Germinating seeds
D. Flowers - Correct answer-B. Roots and other underground plant parts
Which of the following types of plant disorders cannot be transmitted from plant to
plant?
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