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Chapter 5: AGRICULTURAL PESTS
Answers to Review Questions
TRUE/FALSE
1. Insects do not carry diseases.
2. Agriculture deals with the growing and cultivating of living things for human use.
3. One of the basic tasks in caring for crops and animals is protecting them from
other living things.
4. Cancer and diabetes are diseases spread by mosquitoes.
5. Some insects are parasites.
6. Diseases can also be used to fight weeds.
7. One of the biggest problems about insects is that most are deadly to humans.
8. Insecticides are the most efficient means ever devised to kill insects.
9. Any sound insect control program involves integrated pest management.
10. Weeds are plants that grow where they are not wanted.
11. Genetic engineering is used in insect control.
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12. Almost all insects are harmful.
MULTIPLE CHOICE
1. The insect life cycle begins when the female
2. Insect eggs hatch into wormlike organisms called
3. A substance that kills plants is called an
4. Organisms that live on other organisms and harm them are called
5. Many people have contracted diseases because of
6. An estimation of the number of major insect pest species in the United States is
7. Two insects that devour huge numbers of insects are
8. Johnsongrass is considered to be a
9. Plants have been developed that are resistant to
10. Every year cropland is prepared for
DISCUSSION
1. List and discuss some of the problems caused by insects.
2. Define integrated pest management.
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3. What is meant by the biological control of insects?
4. Why are weeds considered pests?
5. What is the difference between a nonselective and a selective herbicide?
6. How can genetic engineering be used for controlling agricultural pests?
7. How do cultural practices have an impact on diseases and insects?
8. What is the life cycle of an insect?
9. How can weeds be controlled?
10. List two types of biological agents.
11. Explain how wildlife can be a problem to agricultural producers.
12. What are some methods used to control wildlife?