detailed solutions ||
1. Which of the following is not a characteristic
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of weeds? ||
Ca, some weeds are poisonous to people or animals
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Tb weeds interfere with the safety or use of
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landscaped areas ||
Lic. most weeds produce large quantities of seeds,
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even under adverse conditions || || ||
Old weeds enhance the growth of landscape plants
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D
2.
Perennial weeds are generally the most difficult to || || || || || || ||
control because they || ||
Da, produce more seeds than other types of plants
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b. can reproduce and spread from storage organs
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such as rhizomes and tubers || || || ||
c. have seeds that remain viable longer than those
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of annual and biennial plants
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d. have hairy leaves that repel herbicides
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B
Which of the following insect orders includes species
|| || || || || || ||
,known to transmit some plant diseases?
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Da. Orthoptera (crickets and grasshoppers)
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O b. Thysanura (firebrats and silverhsh)
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Dc. Blattodea (cockroaches)
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O d. Thysanoptera (thrips)
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D
Which feature characterizes vertebrates?
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Da. never lays eggs
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Ob. has fur
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Oc. has backbone
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O d. all of the above
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C
Which of the following orders of insects includes
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species that are pests of living plants?
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Da. Isoptera (termites)
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Db. Thysanura (firebrats and silverfish)
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Dc. Blattodea (cockroaches)
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O d. Heteroptera (true bugs)
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D
The immature stages of an insect are known as
|| || || || || || || ||
Oa. instars
||
,Ob. metamorphoses ||
Oc. juveniles ||
Od.pre-adults
A
Which of the following groups of insect orders
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include both pests and beneficials that attack pest
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insect species? ||
Ca. Hymenoptera (wasps and bees), Thysanoptera
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(thrips), and Heteroptera (true bugs) || || || ||
0b. Thysanura (firebrats and silverfish), Blattodea
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(cockroaches), and Dermaptera (earwigs) || || ||
Cc. Isoptera (termites), Mallophaga (chewing lice),
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and Anoplura (sucking lice)
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Cd. Homoptera (aphids and whiteflies), Lepidoptera
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(moths and butterflies), and Siphonaptera (leas)
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A
8. Which of the fallowing insects suck plant juices out of
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plant cells? ||
Da. Dermaptera (earwigs)
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Db. Homoptera (aphids and whiteNies)
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Dc. Lepidoptera (moths and butterflies)
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O d. Orthoptera (crickets and locusts
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B
, Which part of a plant do nematodes most common!
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attack?
Da. fruit ||
Db. roots and other underground plant parts
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Oc. germinating seeds
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Od. flowers ||
B
10. Which of the following types of plant disorders
|| || || || || || || ||
cannot be transmitted trom plant to plant?
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Da. bacterial diseases
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Db. fungal diseases
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Dc. viruses ||
Od.abiotic problems ||
D
11. Ants belong to the insect order
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Da. Coleoptera||
Ob. Diptera ||
Dc. Hymenoptera
||
O d. Lepidoptera
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C