Plants are more efficient at acquiring carbon than are : GMAT Sentence Correction (SC)
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# Plants are more efficient at acquiring carbon than are

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Plants are more efficient at acquiring carbon than are [#permalink]

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30 Jun 2010, 11:28
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Plants are more efficient at acquiring carbon than are fungi, in the form of carbon dioxide, and converting it to energy-rich sugars.

A. Plants are more efficient at acquiring carbon than are fungi
B. Plants are more efficient at acquiring carbon than fungi
C. Plants are more efficient than fungi at acquiring carbon
D. Plants, more efficient than fungi at acquiring carbon
E. Plants acquire carbon more efficiently than fungi

[Reveal] Spoiler:
OA is C. However, it seems to compare "Plants" with "Fungi at acquiring carbon", which makes no sense. Trying to find I more logicall coparision, my take was A. After that I realized that "are" is plural which does not match with fungi, which is singular. And here is another question: If A were [...] than is fungi, that would be better?
[Reveal] Spoiler: OA

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Last edited by WoundedTiger on 10 Oct 2014, 04:28, edited 2 times in total.
Original Sentence not underlined
If you have any questions
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Re: Plants are more efficient at acquiring carbon than are [#permalink]

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30 Jun 2010, 12:01
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noboru wrote:
Plants are more efficient at acquiring carbon than are fungi, in the form of carbon dioxide, and converting it to energy-rich sugars.

A. Plants are more efficient at acquiring carbon than are fungi
B. Plants are more efficient at acquiring carbon than fungi
C. Plants are more efficient than fungi at acquiring carbon
D. Plants, more efficient than fungi at acquiring carbon
E. Plants acquire carbon more efficiently than fungi

OA is C. However, it seems to compare "Plants" with "Fungi at acquiring carbon", which makes no sense. Trying to find I more logicall coparision, my take was A. After that I realized that "are" is plural which does not match with fungi, which is singular. And here is another question: If A were [...] than is fungi, that would be better?

What really makes this sentence clearer is the "in the form of carbon dioxide". This modifies carbon not fungi and hence should be placed as close as possible to its noun, carbon.
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Re: Plants are more efficient at acquiring carbon than are [#permalink]

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30 Jun 2010, 17:26
I think this question about parallelism.... "at acquiring carbon,..... and converting." both are participal
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Re: Plants are more efficient at acquiring carbon than are [#permalink]

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02 Jul 2010, 04:37
noboru wrote:
Plants are more efficient at acquiring carbon than are fungi, in the form of carbon dioxide, and converting it to energy-rich sugars.

A. Plants are more efficient at acquiring carbon than are fungi
B. Plants are more efficient at acquiring carbon than fungi
C. Plants are more efficient than fungi at acquiring carbon
D. Plants, more efficient than fungi at acquiring carbon
E. Plants acquire carbon more efficiently than fungi

OA is C. However, it seems to compare "Plants" with "Fungi at acquiring carbon", which makes no sense. Trying to find I more logicall coparision, my take was A. After that I realized that "are" is plural which does not match with fungi, which is singular. And here is another question: If A were [...] than is fungi, that would be better?

Well - fungi is not singular...it is plural. Fungus is singular. Also A has modifier issue - it seems to say Fungi are in the form of carbon dioxide.
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Re: Plants are more efficient at acquiring carbon than are [#permalink]

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02 Jul 2010, 06:11
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noboru wrote:
Plants are more efficient at acquiring carbon than are fungi, in the form of carbon dioxide, and converting it to energy-rich sugars.

A. Plants are more efficient at acquiring carbon than are fungi
B. Plants are more efficient at acquiring carbon than fungi
C. Plants are more efficient than fungi at acquiring carbon
D. Plants, more efficient than fungi at acquiring carbon
E. Plants acquire carbon more efficiently than fungi

OA is C. However, it seems to compare "Plants" with "Fungi at acquiring carbon", which makes no sense. Trying to find I more logicall coparision, my take was A. After that I realized that "are" is plural which does not match with fungi, which is singular. And here is another question: If A were [...] than is fungi, that would be better?

C simply makes the sentence easiest to read;
grouping plants and fungi in the beginning of the sentence allows "acquiring carbon, in the form of carbon dioxide".
No other option does the same.
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Re: Plants are more efficient at acquiring carbon than are [#permalink]

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02 Jul 2010, 07:06
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noboru wrote:
Plants are more efficient at acquiring carbon than are fungi, in the form of carbon dioxide, and converting it to energy-rich sugars.

A. Plants are more efficient at acquiring carbon than are fungi
B. Plants are more efficient at acquiring carbon than fungi
C. Plants are more efficient than fungi at acquiring carbon
D. Plants, more efficient than fungi at acquiring carbon
E. Plants acquire carbon more efficiently than fungi

OA is C. However, it seems to compare "Plants" with "Fungi at acquiring carbon", which makes no sense. Trying to find I more logicall coparision, my take was A. After that I realized that "are" is plural which does not match with fungi, which is singular. And here is another question: If A were [...] than is fungi, that would be better?

You need to look at the modifier following the underlined sentence, ... in refers to carbon and not fungi so the end of the main clause should be carbon.
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Re: Plants are more efficient at acquiring carbon than are [#permalink]

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02 Jul 2010, 09:49
Same as others have pointed .. Option C is the best
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21 Apr 2011, 06:21

"in the form of Carbon Dioxide" is a prep phrase acting as an adjective an because of that it has to be close to what is actually modifying, that is "carbon"?

Thanks.
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Re: Plants are more efficient at acquiring carbon than are [#permalink]

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30 Apr 2011, 05:45
noboru wrote:

"in the form of Carbon Dioxide" is a prep phrase acting as an adjective an because of that it has to be close to what is actually modifying, that is "carbon"?

Thanks.

The context dictates that only carbon can take form of carbon dioxide, whereas fungi are organic (and consist of carbon). From what i have learned, noun modifier must be next to the noun it modifies, whereas verb modifier do not have to be (MGMAT SC Advanced modifier)
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Re: Plants are more efficient at acquiring carbon than are [#permalink]

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30 Apr 2011, 06:49
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Let us clarify a few things first. ‘fungi’ are also a kind of lower level plants. It is plural and its singular form is ‘fungus’.

The real comparison is between plants and fungi, two different nouns.

The prepositional modifier ‘in the form of carbon dioxide’ must be close to its noun modifier ‘carbon’ , probably it is best to posit them next to next.

IMO, When you say ‘plants are’, then ther is no need to say ‘than are fungi’, since the comparison is straight between two nouns, rather than between what they do. However when you say ‘plants acquire’, then you have to also say ‘fungi acquire’ or ‘fungi do’ or some such appropriate form since, the comparison moves on to a dynamic action done by the two arms of comparison

A. Plants are more efficient at acquiring carbon than are fungi---- two errors, wrong word order of carbon and use of ‘are fungi’
B. Plants are more efficient at acquiring carbon than fungi – wrong word order of carbon
C. Plants are more efficient than fungi at acquiring carbon- correct word order and comparison
D. Plants, more efficient than fungi at acquiring carbon – this is not a sentence but a fragment
E. Plants acquire carbon more efficiently than fungi --- two errors; one of wrong word order and not using the action word for fungi.
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Re: Plants are more efficient at acquiring carbon than are [#permalink]

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10 Feb 2013, 01:53
It is the modifier 'in the form of carbon-dioxide' that makes the difference. look out for the ans choice that modifies this phrase correctly. Also look out for more eff than V/S more efficient at..... than
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Re: Plants are more efficient at acquiring carbon than are [#permalink]

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13 Feb 2013, 05:08
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noboru wrote:
Plants are more efficient at acquiring carbon than are fungi, in the form of carbon dioxide, and converting it to energy-rich sugars.

A. Plants are more efficient at acquiring carbon than are fungi
B. Plants are more efficient at acquiring carbon than fungi
C. Plants are more efficient than fungi at acquiring carbon
D. Plants, more efficient than fungi at acquiring carbon
E. Plants acquire carbon more efficiently than fungi

OA is C. However, it seems to compare "Plants" with "Fungi at acquiring carbon", which makes no sense. Trying to find I more logicall coparision, my take was A. After that I realized that "are" is plural which does not match with fungi, which is singular. And here is another question: If A were [...] than is fungi, that would be better?

the more I study og question, the more I see that og question is great.

regarding oa c.

we do not need "fungi are" because there is ambiguity here. before "than" there is only one agent "plants" so, there is no ambiguity

if there are 2 agents before "than" , there is ambiguity and we have to add "do/dose" to avoid ambiguity. consider

plants like water more than fungi do.

there are 2 agents "plant" and "water" before "than" , so there is ambiguity. "do" clear the ambiguity.
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Re: Plants are more efficient at acquiring carbon than are [#permalink]

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16 Jul 2014, 00:38
it is 'plants' who are more efficient than fungi at something, so C !!! good question
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Plants are more efficient at acquiring carbon than are [#permalink]

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24 Jan 2015, 13:04
Plants are more efficient at acquiring carbon than are fungi, in the form of carbon dioxide, and converting it to energy-rich sugars.

A. Plants are more efficient at acquiring carbon than are fungi
B. Plants are more efficient at acquiring carbon than fungi
C. Plants are more efficient than fungi at acquiring carbon
D. Plants, more efficient than fungi at acquiring carbon --> lacks a VERB
E. Plants acquire carbon more efficiently than fungi

A,B,E are at the first sight out MODIFIER -in the form of carbon dioxide- MUST modify CARBON and not Fungi. D lacks a VERB - OUT. We are left with choice C.
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09 Feb 2015, 02:57

Plants (noun) are more efficient than fungi(Noun). So options 'C' correct.
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02 Mar 2015, 00:56
C is the lease ambiguous among the answer choices.
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Re: Plants are more efficient at acquiring carbon than are [#permalink]

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31 May 2015, 16:46
What need to be changed in E to make it correct?
Quote:
E. Plants acquire carbon more efficiently than fungi

My opinion -
E. Plants acquire carbon more efficiently than fungi can do so
or
E. Plants acquire carbon more efficiently than fungi do so

Or is it cannot be corrected?
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Re: Plants are more efficient at acquiring carbon than are [#permalink]

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08 Jan 2016, 06:39
noboru wrote:
Plants are more efficient at acquiring carbon than are fungi, in the form of carbon dioxide, and converting it to energy-rich sugars.

A. Plants are more efficient at acquiring carbon than are fungi
B. Plants are more efficient at acquiring carbon than fungi
C. Plants are more efficient than fungi at acquiring carbon
D. Plants, more efficient than fungi at acquiring carbon
E. Plants acquire carbon more efficiently than fungi

[Reveal] Spoiler:
OA is C. However, it seems to compare "Plants" with "Fungi at acquiring carbon", which makes no sense. Trying to find I more logicall coparision, my take was A. After that I realized that "are" is plural which does not match with fungi, which is singular. And here is another question: If A were [...] than is fungi, that would be better?

D out for no proper sentence (Subject + Verb)
E out for improper parallelism
B out improper comparison (Seems plants acquire fungi but carbon is better)
A fungi is located to close to the 'in the form of carbon dioxide modifier. Wrong

C: X more .. than Y - Plants are being compared to Fungi. Correct.
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Re: Plants are more efficient at acquiring carbon than are [#permalink]

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08 Jan 2016, 07:55
The plants and fungi are two types of organisms that absorb Carbon from the atmpospheric carbon-di-oxide. The essential factor is that the modifier ‘in the form of CO2’ must be placed just next to the word carbon, in order to avoid the absurd meaning of fungi being absorbed in the form of CO2. So confidently dump, A, B and E.

Left with C and D: D is an outright fragment. C wins.

P.S: fungi is plural; fungus is the singular form of fungi
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Re: Plants are more efficient at acquiring carbon than are [#permalink]

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09 Jan 2016, 19:23
noboru wrote:
Plants are more efficient at acquiring carbon than are fungi, in the form of carbon dioxide, and converting it to energy-rich sugars.

A. Plants are more efficient at acquiring carbon than are fungi
B. Plants are more efficient at acquiring carbon than fungi
C. Plants are more efficient than fungi at acquiring carbon
D. Plants, more efficient than fungi at acquiring carbon
E. Plants acquire carbon more efficiently than fungi

[Reveal] Spoiler:
OA is C. However, it seems to compare "Plants" with "Fungi at acquiring carbon", which makes no sense. Trying to find I more logicall coparision, my take was A. After that I realized that "are" is plural which does not match with fungi, which is singular. And here is another question: If A were [...] than is fungi, that would be better?

Check for the middle clause "in the form of carbon dioxide". This middle clause should modify carbon. Also check for the third clause "converting it to energy-rich sugars", this should refer to carbon. So carbon should end the first clause. Also if we eliminate the middle clause then sentence should make sense. Given these premises option C seems the best fit --> "Plants are more efficient than fungi at acquiring carbon and converting it to energy-rich sugars."
Re: Plants are more efficient at acquiring carbon than are   [#permalink] 09 Jan 2016, 19:23

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