human eye

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human eye

by crazy4gmat » Tue Dec 02, 2008 10:10 am
Like the color-discriminating apparatus of the human eye, insects' eyes depend on recording and comparing light intensities in three regions of the electromagnetic spectrum.
(A) insects' eyes depend on
(B) an insect eye depends on
(C) that of insects depend on the
(D) that of an insect's eye depends on
(E) that of an insect's is dependent on the
Source: — Sentence Correction |

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by mals24 » Tue Dec 02, 2008 10:21 am
IMO D

You're comparing the color-discriminating apparatus of the human eye with the color-discriminating apparatus of the insects' eyes.

In A and B color-discriminating apparatus of the human eye is incorrectly compared with the insects eyes.

C 'that' refers to 'color-discriminating apparatus'-which is singular hence you need depends. Plus the sentence should be that of the insects eye not just insect.

E. that of the insect's what?

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by beatsd » Tue Dec 02, 2008 10:25 am
IMO (D).

Colour discriminating apparatus of the insect's eye ---- is correct
Colour discriminating apparatus of the insect --- wrong

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by karmayogi » Tue Dec 02, 2008 10:30 am
IMO D.

Reason same as that of mals24 and beatsd.
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by niraj_a » Tue Dec 02, 2008 10:40 am
D baby - ooorraah!

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by iamcste » Tue Dec 02, 2008 11:04 am
mals24 wrote: E. that of the insect's what?

:D :D :D

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by gmat009 » Tue Dec 02, 2008 1:58 pm
Somehow E looks better.
What's OA

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by iamcste » Tue Dec 02, 2008 2:00 pm
gmat009 wrote:Somehow E looks better.
What's OA

That of an insect's eye


Missing of eye in E causes illogical comparison

" Depends on " is better than "dependent on" -atleast in this case

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by crazy4gmat » Tue Dec 02, 2008 5:31 pm
OA is D.

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by ronniecoleman » Tue Dec 02, 2008 6:37 pm
IMO D
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by maihuna » Fri Nov 27, 2009 1:20 pm
ronniecoleman wrote:IMO D
Yes OA is D.
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by brick2009 » Fri Nov 27, 2009 2:49 pm
I get the comparison part of the sentence..

but a COMMA before THAT in D ???? isnt that wrong in GMAT? or is there an exception to the rule.....

can anyone clarify plzzz.

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by capnx » Fri Nov 27, 2009 3:02 pm
"that" is functioning as a pronoun replacing "apparatus"

essentially, the sentence is:
Like the color-discriminating apparatus of the human eye, the apparatus of an insect's eye depends on...

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