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Chapter 25: BIOTECHNOLOGY: THE FUTURE OF AGRICULTURE
Answers to Review Questions
TRUE/FALSE
1. Most changes in agriculture occurred during the twentieth century.
2. Dams and sires are chosen through the use of computers.
4. The majority of insulin is harvested from the pancreases of cattle.
5. Corn requires a lot of nitrogen in order to produce large yields.
6. The United Nations predicts that by 2050 the world population will be 9.6 billion.
True.
7. Legumes produce nitrogen through the use of bacteria that live in nodules on
leaves.
8. largest industry is agriculture.
9. Agriculture is not dying; it is changing.
10. A career in agriculture may involve working in a variety of places such as a food
processing plant or a laboratory.
MULTIPLE CHOICE
1. One industry that can never die out is
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2. Perhaps the earliest biotechnology was used to make wine and
3. One of the newest forms of biotechnology is
4. One of the first uses of genetic engineering was in manufacturing
5. Genetic scientists have been able to develop plants that are resistant to
6.
of
7. The best place to begin preparing for an agricultural career is with an Agricultural
Education program in
8. The most profound changes in the future will occur in
9. Food, shelter, and clothing are all directly dependent on
10. Substances that control growth and other bodily functions are
DISCUSSION
1. Why is cattle insulin no longer used to help diabetics?
2. Why do scientists want to genetically alter
stomach?
3. What impact does genetic engineering have on plants?
4. Why is there concern about genetic engineering?
5. How is genetic engineering being regulated?
6. How can you prepare for a career in agriculture?
7. Why will agriculture always exist?
8. What are some current uses of genetic engineering?
9. What are some future uses of genetic engineering?
10. How was biotechnology used in the past?
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