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Certain pesticides can become ineffective if used repeatedly in the sa

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Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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Certain pesticides can become ineffective if used repeatedly in the same place;one reason is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.

(A) Certain pesticides can become ineffective if used repeatedly in the same place;one reason is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.

(B) If used repeatedly in the same place,one reason that certain pesticides can become ineffective is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.

(C) If used repeatedly in the same place,one reason certain pesticides can become ineffective is suggested by the finding that much larger populations of pesticide-degrading microbes are found in soils with a relatively long history of pesticide use than those that are free of such chemicals.

(D) The finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals is suggestive of one reason, if used repeatedly in the same place, certain pesticides can become ineffective.

(E) The finding of much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in those that are free of such chemicals suggests one reason certain pesticides can become ineffective if used repeatedly in the same place.
[Reveal] Spoiler: OA

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Re: Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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Going with A. Reason: the other ones just flow horribly.

Sorry. :(
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Re: Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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perfectstranger wrote:
Certain pesticides can become ineffective if used repeatedly in the same place;one reason is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.


(A) Certain pesticides can become ineffective if used repeatedly in the same place;one reason is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.->follows parallelism ,independent clauses rightly used.CORRECT
(B) If used repeatedly in the same place,one reason that certain pesticides can become ineffective is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.-> if used ...,one reason is wrong sincer if used modifies pesticides
(C) If used repeatedly in the same place,one reason certain pesticides can become ineffective is suggested by the finding that much larger populations of pesticide-degrading microbes are found in soils with a relatively long history of pesticide use than those that are free of such chemicals.-> if used ...,one reason is wrong sincer if used modifies pesticides
(D) The finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals is
suggestive of one reasonif used repeatedly in the same place,certain pesticides can become ineffective. -> here one reason ,if used is misleading.

Please explain in a detailed way


Under the limited conditions A is the BEST but where is option (E)?
Kindly post the OA and OE and option (E)

if in A it had been one reason for the same ....is suggested ... it would have been better construction
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Re: Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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New post 10 May 2012, 21:28
This is the missing option.

(E) THe finding of much larger populations of pesticides-degrading microbes in soils with a relatively long historyof pesticide use than in those that are free of such chemicals suggests one reason certain pesticides can become ineffective if used repeatedly in the same place.
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Re: Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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205. Certain pesticides can become ineffective if used repeatedly in the same place; one reason is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.
(A) Certain pesticides can become ineffective if used repeatedly in the same place; one reason is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.

(B) If used repeatedly in the same place, one reason that certain pesticides can become ineffective is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.

(C) If used repeatedly in the same place, one reason certain pesticides can become ineffective is suggested by the finding that much larger populations of pesticide-degrading microbes are found in soils with a relatively long history of pesticide use than those that are free of such chemicals.

(D) The finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals is suggestive of one reason, if used repeatedly in the same place, certain pesticides can become ineffective.


(E) The finding of much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in those that are free of such chemicals suggests one reason certain pesticides can become ineffective if used repeatedly in the same place

p.s: plz provide an explanation too
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Re: Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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(A) Certain pesticides can become ineffective if used repeatedly in the same place; one reason is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.

(B) If used repeatedly in the same place, one reason (wrong subject for the first phrase) that certain pesticides can become ineffective is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.

(C) If used repeatedly in the same place, one reason (same as B) certain pesticides can become ineffective is suggested by the finding that much larger populations of pesticide-degrading microbes are found in soils with a relatively long history of pesticide use than those that are free of such chemicals.

(D) The finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals is suggestive of one reason, if used repeatedly in the same place, certain pesticides can become ineffective.--there are -(redundant)

(E) The finding of much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in those that are free of such chemicals suggests one reason certain pesticides can become ineffective if used repeatedly in the same place ---(microbes comparison- Incorrect)
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Re: Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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(A) Certain pesticides can become ineffective if used repeatedly in the same place; one reason is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals. --- Can not lay hands on this choice. The topic is split with a semicolon, a sensible thing to do in such cases.

(B) If used repeatedly in the same place, one reason that certain pesticides can become ineffective is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals. -----The participial modifier - If used repeatedly- should modify pesticides and not one reason

(C) If used repeatedly in the same place, one reason certain pesticides can become ineffective is suggested by the finding that much larger populations of pesticide-degrading microbes are found in soils with a relatively long history of pesticide use than those that are free of such chemicals. -----------The participial modifier - If used repeatedly- should modify pesticides and not one reason

(D) The finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals is suggestive of one reason, if used repeatedly in the same place, certain pesticides can become ineffective.----- The sentence is a run –on. The second part of the topic, going after - if used repeatedly – is dangling loosely without a connector such as that or a semicolon. Hence, wrong

(E) The finding of much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in those that are free of such chemicals suggests one reason certain pesticides can become ineffective if used repeatedly in the same place---- As in D, a connector as –that- is essential between reason and certain.
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Re: Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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Re: Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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New post 02 Jan 2013, 22:57
Rubashov1 wrote:
Going with A. Reason: the other ones just flow horribly.

Sorry. :(


Agreed!! A is crisp and clear and as the poster above posted, meaning is not clear in other options
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Re: Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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perfectstranger wrote:
Certain pesticides can become ineffective if used repeatedly in the same place;one reason is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.


(A) Certain pesticides can become ineffective if used repeatedly in the same place;one reason is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.
(B) If used repeatedly in the same place,one reason that certain pesticides can become ineffective is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.
(C) If used repeatedly in the same place,one reason certain pesticides can become ineffective is suggested by the finding that much larger populations of pesticide-degrading microbes are found in soils with a relatively long history of pesticide use than those that are free of such chemicals.
(D) The finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals is suggestive of one reason,if used repeatedly in the same place,certain pesticides can become ineffective.
(E) The finding of much larger populations of pesticides-degrading microbes in soils with a relatively long history of pesticide use than in those that are free of such chemicals suggests one reason certain pesticides can become ineffective if used repeatedly in the same place.
Please explain in a detailed way
In B/C, "If used repeatedly in the same place" directly refers to "one reason". So straight wrong.
D is run on sentence as part1 "The finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals is suggestive of one reason" and part 2 "if used repeatedly in the same place,certain pesticides can become ineffective" can act as independent sentences.
E needs the linkage(preferably that) between "one reason" and "certain pesticides can become ineffective if used repeatedly in the same place"
A is fine...... as it is devoid of all these modifier and connector issues.
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Re: Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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(A) Certain pesticides can become ineffective if used repeatedly in the same place;one reason is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.Correct - structure of sentence is okay; comparison "in soils with a relatively long history of pesticide use" + "are much larger populations of X" "than" "in soils that are free of such chemicals"

(B) If used repeatedly in the same place,one reason that certain pesticides can become ineffective is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.Wrong - "if" clause is frequently used with "then" clause; "one reason...is suggested...by the finding that" is redundant.

(C) If used repeatedly in the same place,one reason certain pesticides can become ineffective is suggested by the finding that much larger populations of pesticide-degrading microbes are found in soils with a relatively long history of pesticide use than those that are free of such chemicals.Wrong - "if" clause is frequently used with "then" clause; "one reason...is suggested...by the finding that" is redundant; comparison clause of "in soils..." and "those that" is not structurally similar

(D) The finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals is suggestive of one reason,if used repeatedly in the same place,certain pesticides can become ineffective.Wrong - comma splice. You cannot combine two dependent clauses with a comma

(E) The finding of much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in those that are free of such chemicals suggests one reason certain pesticides can be come ineffective if used repeatedly in the same place. comparison clause of "in soils..." and "those that" is not structurally similar; "one reason certain pesticides" must have a conjunction or the sentence is not grammatical.

IMO A
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Re: Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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Re: Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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New post 31 Jan 2016, 05:14
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I fail to understand why Choice E is incorrect.
For me E is better organised than A.
Please elucidate.
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Re: Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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New post 05 Jun 2016, 09:46
Same here , Can someone explain why "one reason is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals" makes sense. Shouldn't it be one reason suggested by the finding is that .....

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Re: Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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New post 06 Jun 2016, 04:36
himanshu04 wrote:
Same here , Can someone explain why "one reason is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals" makes sense. Shouldn't it be one reason suggested by the finding is that .....

Thank you.


The clause "that there are much larger populations of pesticide-degrading microbes .... " refers to the finding, not the reason. The sentence does not clarify what the reason is; it just states that one reason is suggested by a finding and then elaborates what the finding is.
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Re: Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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New post 24 Sep 2016, 14:11
himanshu04 wrote:
Same here , Can someone explain why "one reason is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals" makes sense. Shouldn't it be one reason suggested by the finding is that .....

Thank you.


For me, both "one reason is suggested by the finding that" and "one reason suggested by the finding is" are correct grammatically.

But both differ in meaning. Also in the 2nd one, "the finding" seems somewhat hanging without a rope. Instead, "one reason suggested by a finding/a research is" would be better.
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Re: Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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New post 04 Jan 2017, 11:51
Certain pesticides can become ineffective if used repeatedly in the same place;one reason is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.


(A) Certain pesticides can become ineffective if used repeatedly in the same place;one reason is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals.-Correct
(B) If used repeatedly in the same place, one reason that certain pesticides can become ineffective is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals. - Modifier If used repeatedly modifies one reason
(C) If used repeatedly in the same place, one reason certain pesticides can become ineffective is suggested by the finding that much larger populations of pesticide-degrading microbes are found in soils with a relatively long history of pesticide use than those that are free of such chemicals.- Modifier If used repeatedly modifies one reason .
Comparison issue
(D) The finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals is suggestive of one reason, if used repeatedly in the same place, certain pesticides can become ineffective. - Modifier - if used ... placement is ambiguous
(E) The finding of much larger populations of pesticide-degrading microbes in soils with a relatively long history of pesticide use than in those that are free of such chemicals suggests one reason certain pesticides can become ineffective if used repeatedly in the same place. - The finding of much larger populations .. . than in those that is an improperly constructed comparison.

Answer A
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Re: Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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New post 08 Jan 2017, 10:44
HI all,

I do not understand why A is correct. I believe that GMAT rules state a semo colon (;) is only used when there are two independent clauses e.g. two clauses which express a complete thought.

Am I not right in thnking that the second clause is dependent upon the first?.
If you delete the first clause e.g. Certain pesticides can become ineffective if used repeatedly in the same place, it devoids the second clause of any true meaning.

Could somebody please provide some clarity regarding this.
Admittidly I may just be missing something very obvious. I probably am :/

Thanks in advance.
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Re: Certain pesticides can become ineffective if used repeatedly in the sa [#permalink]

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New post 08 Jan 2017, 11:05
Kesterton2017 wrote:
HI all,

I do not understand why A is correct. I believe that GMAT rules state a semo colon (;) is only used when there are two independent clauses e.g. two clauses which express a complete thought.

Am I not right in thnking that the second clause is dependent upon the first?.
If you delete the first clause e.g. Certain pesticides can become ineffective if used repeatedly in the same place, it devoids the second clause of any true meaning.

Could somebody please provide some clarity regarding this.
Admittidly I may just be missing something very obvious. I probably am :/

Thanks in advance.


Both the sentences are related to one topic but not dependent on each/one another.
First sentence is a possibility and second sentence is one of reasons for that possibility. We may get the gist of entire subject if we delete the first sentence but grammatically and logically true meaning is not removed.
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