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jade3
In parts of South America, vitamin-A deficiency is a serious health problem, especially among children. In one region, agriculturists are attempting to improve nutrition by encouraging farmers to plant a new variety of sweet potato called SPK004 that is rich in beta-carotene, 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?

(C) There are no other varieties of sweet potato that are significantly richer in beta-carotene than SPK004 is.


Let me talk about option C.

Before that, let's talk about the plan and the goal it aspired to achieve.

Plan: Encouraging farmers to plant a new variety of sweet potato called SPK004 that is rich in betacarotene
Goal: To improve the nutrition of the people in the region

Let's say that my plan is to do X to reach a goal Y. Will my plan be weakened if you say that there is a better way to get to Y?

No. Such a statement will have no impact on my plan as long as X lead to Y. My plan CANNOT be weakened by presenting better ways to get to Y. Why? Because I never said that X is the best way to get to Y. So, the presence of better ways to get to Y has no impact on my plan.

Now, if I had said that X is the best way to get to Y, then my statement could be weakened by saying that there are better ways to get to Y.

In this given question, option C is eliminating other better ways to achieve our goal. However, that has no impact on the plan for the same reasoning as above.
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A is the correct answer
B is a weakener
C is irrelevant
D is is Weakener
E is irrelevant
jade3
In parts of South America, vitamin-A deficiency is a serious health problem, especially among children. In one region, agriculturists are attempting to improve nutrition by encouraging farmers to plant a new variety of sweet potato called SPK004 that is rich in beta-carotene, 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?

(A) The growing conditions required by the varieties of sweet potato currently cultivated in the region are conditions in which SPK004 can flourish.

(B) The flesh of SPK004 differs from that of the currently cultivated sweet potatoes in color and texture, so traditional foods would look somewhat different when prepared from SPK004.

(C) There are no other varieties of sweet potato that are significantly richer in beta-carotene than SPK004 is.

(D) The varieties of sweet potato currently cultivated in the region contain some important nutrients that are lacking in SPK004.

(E) There are other vegetables currently grown in the region that contain more beta-carotene than the currently cultivated varieties of sweet potato do

Similar question from GMATPrep: LINK



Official Guide for GMAT Verbal Review, 2nd Edition
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