Technology Interactions © 2007

Chapter 20: Agricultural Technologies

Self-Check Quiz

1.
The technological system that produces plants and animals for food and other uses is termed
A)irrigation.
B)genetic engineering.
C)agriculture.
D)aquaculture.
2.
How acidic or how alkaline a sample of soil is can be quantified by the unit of measurement called
A)acre.
B)polarity.
C)hectare.
D)pH.
3.
An important technological trend in agriculture has been mechanization, meaning
A)the manipulation of genes to produce stronger crops.
B)the use of machines, instead of people, to perform labor.
C)the use of nutrient solution in a hydroponic system.
D)the use of crop rotation to preserve soil fertility.
4.
GMO foods in grocery stores come from GMO crops, which are the result of
A)heavy fertilization.
B)irrigation.
C)genetic engineering.
D)hydroponic cultivation.
5.
Hydroponic and aeroponic systems as well as aquaculture can be collectively described as
A)mechanization.
B)GPS farming.
C)controlled environment agriculture, or CEA.
D)truck farming.
6.
Which statement about hydroponic systems is true?
A)They are energy-efficient and drought-tolerant.
B)They require little human oversight.
C)They are costly because of very high pesticide use.
D)They make agriculture possible in places where soil is poor.
7.
Highly mechanized agricultural operations that produce milk are
A)hydroponic systems.
B)examples of aquaculture.
C)dairy farms.
D)aeroponic systems.
8.
Poor soils or those that have been worn out by overuse can be recovered for agriculture by use of
A)fertilizers.
B)GPS technology.
C)irrigation.
D)combines.
9.
The technology of irrigation involves
A)boosting nutrients in hydroponic systems.
B)removing rocks and other obstructions from soil.
C)adding fertilizer to soils.
D)transporting water to dry soil.
10.
In the technology called gene splicing,
A)genes from the stem are grafted together using special bioprocessing tools.
B)genes are extracted from one organism and inserted into the DNA of another.
C)genes within a plant's DNA are merged to form entirely new genes.
D)genes within a plant's DNA are split into smaller units.
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