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Crops can be purged of insects by introducing insects sterilized

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Crops can be purged of insects by introducing insects sterilized [#permalink]

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New post 23 Feb 2017, 23:20
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Question Stats:

68% (01:46) correct 32% (01:43) wrong based on 186 sessions

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Crops can be purged of insects by introducing insects sterilized artificially by radiation; the sterilized male insects of a particular species are released to mingle with a natural population and mate with females who fail to have offspring, thereby inhibiting the ability of the local population of that species to reproduce. A new technique of sterilizing the medfly makes the sterilized male medflies exceptionally attractive to the females, so that a local population can be wiped out completely. But complete extermination might bring new risks. A farmer who considers his plot exceptionally attractive to medflies might think that his plot is the perfect case in which to use the new, more powerful, sterilized insect technique, but he should consider that _______________.

Which of the following most logically completes the argument above?

A) he might produce an overly abundant crop, driving down his own prices and profit

B) perhaps the risk that the new insect sterilization does not work at all, since it has been less proven through practice, is not worth the additional benefit, at this point

C) releasing radiated insects into the wild could have effects on the environment, and possibly the farmer's crop, that would be impossible to trace

D) his plot, already exceptionally abundant, might already produce more crops than he can sell at ideal prices, and the additional cost of the new technique would be wasted

E) his plot might be exceptionally attractive also to another species of insect for which no sterilized insect method exists and which might thrive on the plot once the competing medflies have been eliminated
[Reveal] Spoiler: OA

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Re: Crops can be purged of insects by introducing insects sterilized [#permalink]

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New post 24 Feb 2017, 01:47
[quote="Vyshak"]Crops can be purged of insects by introducing insects sterilized artificially by radiation; the sterilized male insects of a particular species are released to mingle with a natural population and mate with females who fail to have offspring, thereby inhibiting the ability of the local population of that species to reproduce. A new technique of sterilizing the medfly makes the sterilized male medflies exceptionally attractive to the females, so that a local population can be wiped out completely. But complete extermination might bring new risks. A farmer who considers his plot exceptionally attractive to medflies might think that his plot is the perfect case in which to use the new, more powerful, sterilized insect technique, but he should consider that _______________.

Straight E

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Re: Crops can be purged of insects by introducing insects sterilized [#permalink]

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New post 24 Feb 2017, 04:41
Vyshak wrote:
Crops can be purged of insects by introducing insects sterilized artificially by radiation; the sterilized male insects of a particular species are released to mingle with a natural population and mate with females who fail to have offspring, thereby inhibiting the ability of the local population of that species to reproduce. A new technique of sterilizing the medfly makes the sterilized male medflies exceptionally attractive to the females, so that a local population can be wiped out completely. But complete extermination might bring new risks. A farmer who considers his plot exceptionally attractive to medflies might think that his plot is the perfect case in which to use the new, more powerful, sterilized insect technique, but he should consider that _______________.

Which of the following most logically completes the argument above?

A) he might produce an overly abundant crop, driving down his own prices and profit

B) perhaps the risk that the new insect sterilization does not work at all, since it has been less proven through practice, is not worth the additional benefit, at this point

C) releasing radiated insects into the wild could have effects on the environment, and possibly the farmer's crop, that would be impossible to trace

D) his plot, already exceptionally abundant, might already produce more crops than he can sell at ideal prices, and the additional cost of the new technique would be wasted

E) his plot might be exceptionally attractive also to another species of insect for which no sterilized insect method exists and which might thrive on the plot once the competing medflies have been eliminated


We need potential side effects of eliminating the medflies, E states one.
A,B, and D -The passage doesn't talk about profits and prices.
C is farfecthed.

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Re: Crops can be purged of insects by introducing insects sterilized [#permalink]

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New post 23 Mar 2017, 23:35
Why choice C is incorrect? Expert's comments needed... :)

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Re: Crops can be purged of insects by introducing insects sterilized [#permalink]

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New post 24 Mar 2017, 01:02
annusngh wrote:
Why choice C is incorrect? Expert's comments needed... :)


C is wrong because the stimulus doesn't talk about the how the farmer feels about side effects of using pesticides on environment.
And it is too farfetched to assume that his crop will be harmed in the long term. We are concerned with immediate effects of using pesticides.

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Re: Crops can be purged of insects by introducing insects sterilized [#permalink]

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New post 24 Mar 2017, 01:09
"But complete extermination might bring new risks. A farmer who considers his plot exceptionally attractive to medflies.."
The answer will introduce a new risk which will be due to the 'exceptionally attractive' - ness of the farmer's plot.
There has been no discussion on the profitability.

A) he might produce an overly abundant crop, driving down his own prices and profit
It is not risk due to that. irrelevant.

B) perhaps the risk that the new insect sterilization does not work at all, since it has been less proven through practice, is not worth the additional benefit, at this point.

-not a concern raised due to the farmer's attractive plot. will be true for all.

C) releasing radiated insects into the wild could have effects on the environment, and possibly the farmer's crop, that would be impossible to trace

-not a concern raised due to farmer's attractive plot . will be true for all.


D) his plot, already exceptionally abundant, might already produce more crops than he can sell at ideal prices, and the additional cost of the new technique would be wasted
- nothing to do with profitability.

E) his plot might be exceptionally attractive also to another species of insect for which no sterilized insect method exists and which might thrive on the plot once the competing medflies have been eliminated

This introduces a new risk which will be due to the 'exceptionally attractive' - ness of the farmer's plot.
correct.
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Re: Crops can be purged of insects by introducing insects sterilized [#permalink]

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New post 14 Aug 2017, 09:30
this question looks scary at first, but this question is just a normal strengthen question in which the correct answer will support "elimination of all insects will bring another risk"

also, test takers should keep in mind that the information they look for must match the scope of the text. (the passage is about the medflies)

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Re: Crops can be purged of insects by introducing insects sterilized   [#permalink] 14 Aug 2017, 09:30
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Crops can be purged of insects by introducing insects sterilized

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