Free Practice Question
CR · Critical Reasoning
555-605
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In parts of South America, vitamin-A deficiency is a serious health problem, especially among children. In one region, agriculturists hope to improve nutrition by encouraging farmers to plant a new variety of sweet potato called SPK004 that is rich in betacarotene, which the body converts into vitamin A. The plan has good chances of success, since sweet potato is a staple of the region's diet and agriculture, and the varieties currently grown contain little beta-carotene.
Which of the following, if true, most strongly supports the prediction that the plan will succeed?
Which of the following, if true, most strongly supports the prediction that the plan will succeed?
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There are other vegetables currently grown in the region that contain more beta-carotene than the currently cultivated varieties of sweet potato do.
B
The flesh of SPK004 differs from that of the currently cultivated sweet potatoes in colors and textures, so traditional foods would look somewhat different when prepared from SPK004.
C
For successful cultivation of SPK004, a soil significantly richer in nitrogen is needed than is needed for the varieties of sweet potato currently cultivated in the region.
D
There are no other varieties of sweet potato that are significantly richer in beta-carotene than SPK004 is.
E
The currently cultivated varieties of sweet potato contain no important nutrients that SPK004 lacks.
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Difficulty
555-605
Type
CR