EXAMINATION TEST 2026 FULL QUESTIONS
AND SOLUTIONS GRADED A+
●● 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
●● 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?