Based on vs. On the basis of : GMAT Verbal Section
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# Based on vs. On the basis of

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Based on vs. On the basis of [#permalink]

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20 Nov 2008, 05:30
Based on the growth rates of large modern reptiles such as the Galapagos tortoise and examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be between 100 and 200 years old.

(A) Based on the growth rates of large modern reptiles such as
(B) On the basis of growth rates of large modern reptiles such as
(C) Based on the growth rates of large modern reptiles like
(D) On the basis of growth rates of large modern reptiles, like those of
(E) Based on such growth rates as those of large modern reptiles like

Can we choose (A)? But (B) seems to be the correct answer, does GMAT prefer on "the basis of" or based "on" ?
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Re: Based on vs. On the basis of [#permalink]

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20 Nov 2008, 11:47
jugolo1 wrote:
Based on the growth rates of large modern reptiles such as the Galapagos tortoise and examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be between 100 and 200 years old.

(A) Based on the growth rates of large modern reptiles such as
(B) On the basis of growth rates of large modern reptiles such as
(C) Based on the growth rates of large modern reptiles like
(D) On the basis of growth rates of large modern reptiles, like those of
(E) Based on such growth rates as those of large modern reptiles like

Can we choose (A)? But (B) seems to be the correct answer, does GMAT prefer on "the basis of" or based "on" ?

I guess not because it becomes a modifier issue. scientists are based on the growth rates is wrong. Scientists on the basis of growth rates is better. It's very tricky.
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Re: Based on vs. On the basis of [#permalink]

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20 Nov 2008, 11:48
B

Scientists estimate on the basis of... They aren't based on...
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Re: Based on vs. On the basis of [#permalink]

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20 Nov 2008, 14:14
Its between A & B, coz they use "such as"

I actually picked A, is B the OA?

"based on" is the correct idiom.

icandy - can you please explain on the modifier issue? I'm lost.
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Re: Based on vs. On the basis of [#permalink]

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21 Nov 2008, 13:40
Hi guys,

IMO A

I eliminated B and D, because scientists just can be modified by based. Then, we have to choose between the ending Such as or like. Because the sentence provides a specific example, which is the Galapagos tortoise, it's necessary to use such as.

(A) Based on the growth rates of large modern reptiles such as
(C) Based on the growth rates of large modern reptiles like
(E) Based on such growth rates as those of large modern reptiles like

OA and source?

Thanks
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Re: Based on vs. On the basis of [#permalink]

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22 Nov 2008, 10:08
i will go with icandy.

such as should be used to list. like is used to compare nouns.

Also the subordinate clause, is supposed to modify scientists. So scientists are not based on ....

on the basis of x.... estimate..... looks good.
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Re: Based on vs. On the basis of [#permalink]

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02 Dec 2008, 00:28
IMO = B
Scientists should estimate ... on the basis of ....
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Re: Based on vs. On the basis of [#permalink]

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02 Dec 2008, 07:32
I go with A ...
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Re: Based on vs. On the basis of [#permalink]

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02 Dec 2008, 12:47
B
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Re: Based on vs. On the basis of [#permalink]

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02 Dec 2008, 13:39
jugolo1 wrote:
Based on the growth rates of large modern reptiles such as the Galapagos tortoise and examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be between 100 and 200 years old.

(A) Based on the growth rates of large modern reptiles such as
(B) On the basis of growth rates of large modern reptiles such as
(C) Based on the growth rates of large modern reptiles like
(D) On the basis of growth rates of large modern reptiles, like those of
(E) Based on such growth rates as those of large modern reptiles like

Can we choose (A)? But (B) seems to be the correct answer, does GMAT prefer on "the basis of" or based "on" ?

Tricky one..."such as" - introduction of an example so down to A and B

B is my choice for parallelism

On the basis of (growth rates) of bla bla...AND (examinations) of bla bla..., scientists estimate bla bla...
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Re: Based on vs. On the basis of [#permalink]

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02 Dec 2008, 17:22
IMO B.... Scientiests estimated on the basis of is right instead of based of, therefore A,C and E out.....between B and D, D uses like those of which is akward.

Therefore B, wht is OA?
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Re: Based on vs. On the basis of [#permalink]

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03 Dec 2008, 15:59
jugolo1 wrote:
Based on the growth rates of large modern reptiles such as the Galapagos tortoise and examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be between 100 and 200 years old.

(A) Based on the growth rates of large modern reptiles such as
(B) On the basis of growth rates of large modern reptiles such as
(C) Based on the growth rates of large modern reptiles like
(D) On the basis of growth rates of large modern reptiles, like those of
(E) Based on such growth rates as those of large modern reptiles like

Can we choose (A)? But (B) seems to be the correct answer, does GMAT prefer on "the basis of" or based "on" ?

Like v/such as and parallelism

such as =for example and like=similar to

clearly,we need "such as" in this case as sentence illustrates with examples

Eliminate C,D and E

And- is present so why not have some icing on the cake-parallelism

On the basis of growth rates of large modern reptiles such as the Galapagos tortoise and
examinations of fossils of juvenile dinosaurs

B
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Re: Based on vs. On the basis of [#permalink]

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20 Oct 2013, 05:40
B is my choice. "Based on ... I" is wrong
Re: Based on vs. On the basis of   [#permalink] 20 Oct 2013, 05:40
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