AnswersTX-Environmental Systems A-CRPrescriptive Test

Prescriptive Test — Unit test Answers

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1
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A company has many genetically engineered poplar trees around its factories. Which best describes the poplar trees?

A
They are being used for phytoremediation.
B
They have transferred their genes to a nontarget species.
C
They have reduced the effectiveness of pesticides.
D
They are being used for disease resistance.
2
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DDT was widely used as a pesticide for 20 years. Its use was banned after studies showed severe side effects were evident in humans, the environment, and animals as a result of DDT. Which reason best explains why the side effects of DDT were so harmful?

A
DDT kills insects and other pests.
B
DDT decomposes.
C
DDT was genetically engineered.
D
DDT bioaccumulates.
3

There are health concerns surrounding the products that have been genetically engineered for particular traits, including pharmaceuticals, crops, and enzymes that are used in industry and manufacturing processes. Which is a health concern that affects society?

A
patented products
B
bioaccumulation
C
land use
D
cancer
4

Which best describes biotechnology?

A
the process of analyzing DNA samples to identify individuals involved in criminal activities
B
DNA made by connecting fragments of DNA with desired traits from different DNA sources
C
the field of biology that uses genetic engineering to produce crops, pharmaceuticals, and enzymes for use in industry and manufacturing
D
the process of cutting DNA into fragments and inserting the fragments with a desired gene into another organism

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