QAC LANDSCAPE AND MAINTENANCE
CERTIFICATION SCRIPT 2026
QUESTIONS WITH SOLUTIONS
GRADED A+
◍ Perennial weeds are difficult to control because....
Answer: They can reproduce from organs like rhizomes, stolons, tubers
◍ 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.
Answer: D
◍ 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
D. have hairy leaves that repel herbicides.
Answer: B
◍ 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).
Answer: D
◍ Which feature characterizes vertebrates?
A. never lays eggs
B. has fur
C. has backbone
D. all of the above.
Answer: C
◍ Insect order known to transmit plant disease.
Answer: Thysanoptera (Thrips)
◍ Which of the following orders of insects includes species that are pests of
living plants?
A. Isoptera (termites)
B. Thysanura (firebrats and silverfish)
C. Blattodea (cockroaches)
D. Heteroptera (true bugs).
Answer: D
◍ The immature stages of an insect are known as:
A. instars
B. metamorphoses
C. juveniles
D. pre-adults.
Answer: A
◍ Which of the following groups of insect orders include both pests and
beneficials that attack pest insect 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)
CERTIFICATION SCRIPT 2026
QUESTIONS WITH SOLUTIONS
GRADED A+
◍ Perennial weeds are difficult to control because....
Answer: They can reproduce from organs like rhizomes, stolons, tubers
◍ 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.
Answer: D
◍ 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
D. have hairy leaves that repel herbicides.
Answer: B
◍ 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).
Answer: D
◍ Which feature characterizes vertebrates?
A. never lays eggs
B. has fur
C. has backbone
D. all of the above.
Answer: C
◍ Insect order known to transmit plant disease.
Answer: Thysanoptera (Thrips)
◍ Which of the following orders of insects includes species that are pests of
living plants?
A. Isoptera (termites)
B. Thysanura (firebrats and silverfish)
C. Blattodea (cockroaches)
D. Heteroptera (true bugs).
Answer: D
◍ The immature stages of an insect are known as:
A. instars
B. metamorphoses
C. juveniles
D. pre-adults.
Answer: A
◍ Which of the following groups of insect orders include both pests and
beneficials that attack pest insect 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)
