Which of the following most logically completes the argument : GMAT Critical Reasoning (CR)
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# Which of the following most logically completes the argument

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Which of the following most logically completes the argument [#permalink]

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19 Jul 2012, 11:30
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Which of the following most logically completes the argument below?

Using broad-spectrum weed killers on weeds that are competing with crops for sunlight, water, and nutrients presents a difficulty: how to keep the crop from being killed along with the weeds. For at least some food crops, specially treated seed that produces plants resistant to weed killers is under development. This resistance wears off as the plants mature. Therefore, the special seed treatment will be especially useful for plants that _____________ .

(A) produce their crop over an extended period of time, as summer squash does
(B) produce large seeds that are easy to treat individually, as corn and beans do
(C) provide, as they approach maturity, shade dense enough to keep weeds from growing
(D) are typically grown in large tracts devoted to a single crop
(E) are cultivated specifically for the seed they produce rather than for their leaves or roots
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Re: Which of the following most logically completes the argument [#permalink]

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19 Jul 2012, 11:54
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betterscore wrote:
Which of the following most logically completes the argument below?

Using broad-spectrum weed killers on weeds that are competing with crops for sunlight, water, and nutrients presents a difficulty: how to keep the crop from being killed along with the weeds. For at least some food crops, specially treated seed that produces plants resistant to weed killers is under development. This resistance wears off as the plants mature. Therefore, the special seed treatment will be especially useful for plants that _____________ .

(A) produce their crop over an extended period of time, as summer squash does
(B) produce large seeds that are easy to treat individually, as corn and beans do
(C) provide, as they approach maturity, shade dense enough to keep weeds from growing
(D) are typically grown in large tracts devoted to a single crop
(E) are cultivated specifically for the seed they produce rather than for their leaves or roots

..... weeds that are competing with crops for sunlight, water, and nutrients ....

Special seeds are weed resistant but the Resistance goes off one they mature,
(C) says that
-provide, as they approach maturity, shade dense enough to keep weeds from growing
means they will become self sufficient when grow up and hence can protect themselves even if the resistance goes off which was there by the virtue og the seeds they grew on
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Re: Which of the following most logically completes the argument [#permalink]

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12 Oct 2012, 06:08
Why is E wrong? If special seed treatment is for those plants whose seeds are cultivated,then this special seed treatment is ideal for them.
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Re: Which of the following most logically completes the argument [#permalink]

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12 Oct 2012, 06:36
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shreerajp99 wrote:
Why is E wrong? If special seed treatment is for those plants whose seeds are cultivated,then this special seed treatment is ideal for them.

The argument is about seeds that produce plants that are resistant to weed killers, but this resistance diminishes with time. So no weed killer can be used on them after a certain time, but something must be done with the weed. Therefore, it behooves plants that do something crucial before they lose their resistance to the weed killer: they're either cultivated quickly while they have their resistance, or get strong enough to fend for themselves agains the weed so that the weed problem is eliminated without the need to use the weed killer.

Answer choice E doesn't talk about any of this. It's irrelevant. The special...
Oh, I just realized what you are saying. E says the special seed treatment will be especially useful for *PLANTS* that are cultivated specifically for the seed *they produce* rather than for their leaves or roots. It's not talking about the treatment that's applied to the seeds. It's referring to the plants that have grown from those specially-treated seeds and the seeds that THOSE plants produce. Still irrelevant.
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Re: Which of the following most logically completes the argument [#permalink]

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08 Nov 2012, 02:25
Found it easy to pick C.
Thank you for the question.
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Re: Which of the following most logically completes the argument [#permalink]

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05 Feb 2014, 06:24
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Re: Which of the following most logically completes the argument [#permalink]

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05 Feb 2014, 08:08
Which of the following most logically completes the argument below?

The special seed treatment will be especially useful for plants that would not need the broad-spectrum weed killers for weeds as they mature...

only "C" PROVIDES THE CORRECT REASON.....
(C) provide, as they approach maturity, shade dense enough to keep weeds from growing

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Re: Which of the following most logically completes the argument [#permalink]

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17 Feb 2015, 07:10
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24 Apr 2016, 12:24
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Re: Which of the following most logically completes the argument [#permalink]

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05 Jun 2016, 02:06
The question stimulus mentions:
For at least some food crops, specially treated seed that produces plants resistant to weed killers is under development. This resistance wears off as the plants mature. Therefore, the special seed treatment will be especially useful for plants that ......

So we must search for an answer that would mention that the plant / crop can survive on its own without weeds after maturing which is exactly what C does hence C is the right answer.
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Re: Which of the following most logically completes the argument [#permalink]

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13 Jul 2016, 01:54

Weed Killer only kills weed, but it can't kill crop because when the crop is small and young
Weed killer can kill both weed as well as mature crop.
But then how to kill weed growing with mature crop. .
Because if we apply killer then it will kill both weed and mature crop. SO we cannot apply WEED-KILLER, once the CROP is mature.

Ummm.... How about a mature crop that itself stops weeds from growing.
EXCELLENT:- Can Mature Crop do that.. YES.. Weeds need sunlight to grow , if the CROP can block the sunlight, then weed will die.

What option says that:-
(C) Plants that provide, as they approach maturity, shade dense enough to keep weeds from growing.

betterscore wrote:
Which of the following most logically completes the argument below?

Using broad-spectrum weed killers on weeds that are competing with crops for sunlight, water, and nutrients presents a difficulty: how to keep the crop from being killed along with the weeds. For at least some food crops, specially treated seed that produces plants resistant to weed killers is under development. This resistance wears off as the plants mature. Therefore, the special seed treatment will be especially useful for plants that _____________ .

(A) produce their crop over an extended period of time, as summer squash does
(B) produce large seeds that are easy to treat individually, as corn and beans do
(C) provide, as they approach maturity, shade dense enough to keep weeds from growing
(D) are typically grown in large tracts devoted to a single crop
(E) are cultivated specifically for the seed they produce rather than for their leaves or roots

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Which of the following most logically completes the argument [#permalink]

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19 Sep 2016, 03:55
here is my approach
use weed killer is difficult, because both the weed and crop will die if use weed killer.
but, here's a good news, a special treated seed that help plant/crop resistant to weed killer, great, we can use weed killer when plant grow.
while, the special treated seed will wear off when crop mature, then here is a risk that weed start grow if special treated seed wear off.
how to conquer the issue, if we have a sort of plant/crop that can prevent weed growing when plant/crop mature.
how to? prevent weeds getting sunlight, water, nutrient.

C got it.
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Re: Which of the following most logically completes the argument [#permalink]

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22 Oct 2016, 02:28
betterscore wrote:
Which of the following most logically completes the argument below?

Using broad-spectrum weed killers on weeds that are competing with crops for sunlight, water, and nutrients presents a difficulty: how to keep the crop from being killed along with the weeds. For at least some food crops, specially treated seed that produces plants resistant to weed killers is under development. This resistance wears off as the plants mature. Therefore, the special seed treatment will be especially useful for plants that _____________ .

(A) produce their crop over an extended period of time, as summer squash does
(B) produce large seeds that are easy to treat individually, as corn and beans do
(C) provide, as they approach maturity, shade dense enough to keep weeds from growing
(D) are typically grown in large tracts devoted to a single crop
(E) are cultivated specifically for the seed they produce rather than for their leaves or roots

Ok, lets break down the stimulus:
- it hard to focus the weed killers in areas in which we have a competition for: sun, water, nutrients.
- Seeds that will produce plants with short term strong ammunity to week killers are being developed.
- Conclusion: The treatment will be especially good for...?

-> well, the treatment is against weeds, so it will be especially good in an environment in which you have a lot of weeds, or for plants that grow for short periods of time.

prethink:
- Where will we have a lot of weeds?
- In an area with a lot of competition - > lack of sun, water, or nutrients.

Answer choice C hits the spot.
Re: Which of the following most logically completes the argument   [#permalink] 22 Oct 2016, 02:28
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