with accurate detailed solutions
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Which if the following is not a characteristic of weeds?
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- some weeds are poisonous to people or animals
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- weeds interfere with the safety or use of landscape areas
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- most weeds produce large quantities of seeds, even under adverse conditions
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- weeds enhance the growth of landscape plants
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Weeds enhance the growth of landscape plants
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Perennial weeds are generally the most difficult to control because they:
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- produce more seeds than other types of plants
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- can reproduce & spread from storage organs such as rhizomes & tubers
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- have seeds that remain viable longer than those of annual & biennial plants
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- have hairy leaves that repel herbicides
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Can reproduce and spread from storage organs such as rhizomes and tubers
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Which of the following insect orders includes species known to transmit some plant
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diseases?
- Orthoptera (crickets & grasshoppers)
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- Thysanura (firebrats & silverfish)
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- Blattodea (cockroaches)
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- Thysanoptera (thrips)
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,Thysanoptera (thrips) ||
Which feature characterizes vertebrates?
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- never lays eggs
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- has fur
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- has backbone
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- all of the above
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Has backbone
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Which of the following orders of insects includes species that are pests of living
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plants?
- Isoptera (termites)
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- Thysanura (firebrats & silverfish)
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- Blattodea (cockroaches)
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- Heteroptera (true bugs)
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Heteroptera (true bugs) || ||
The immature stages of an insect are known as:
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- instars
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- metamorphoses
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- juveniles
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- pre-adults
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Instars
,Which of the following groups of insect orders include both pests and beneficials that
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attack pest insect species?
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- Hymenoptera (wasps & bees), Thysanoptera (thrips), and Heteroptera (true bugs)
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- Thysanura (firebrats & silverfish), Blattodea (cockroaches), & Dermaptera (earwigs)
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- Isoptera (termites), Mallophaga (chewing lice), & Anoplura (sucking lice)
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- Homoptera (aphids & whiteflies), Lepidoptera (moth & butterflies), Siphonoptera
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(fleas)
Hymenoptera (wasps & bees), Thysanoptera (thrips), and Heteroptera (true bugs)
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Which of the following insects suck plant juices out of plant cells?
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- Dermaptera (earwigs)
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- Homoptera (aphids & whiteflies)
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- Lepidoptera (moths & whiteflies)
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- Orthoptera (moths & locusts)
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Homoptera (aphids & whiteflies) || || ||
Which part of the plant do nematodes most commonly attack?
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- fruit
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- roots & other underground plant parts
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- germinating seeds
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- flowers
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Roots & other underground plant parts
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, Which of the following types of plant disorders cannot be transmitted from plant to
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plant?
- bacterial diseases
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- fungal diseases
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- viruses
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- abiotic problems
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Abiotic problems ||
Ants belong to the insect order:
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- coleoptera
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- Diptera
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- Hymenoptera
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- Lepidoptera
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Hymenoptera
Which of the following insects have chewing mouth parts?
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- caterpillars
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- true bugs
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- aphids
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- thrips
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Caterpillars