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Poikilotherms can subsist in what

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Poikilotherms can subsist in what

by patanjali.purpose » Sun Apr 22, 2012 8:26 am
Poikilotherms can subsist in what would be fatally food-depleted environments; they expend over 70% less energy than homeotherms per pound of body weight which allowed them to survive on far less food.

A) weight which allowed
B) weight, which allows
C) weight which has allowed
D) weight that has been allowing
E) weight allowing

IMO both B and E are correct - what you think?
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Last edited by patanjali.purpose on Sun Apr 22, 2012 1:55 pm, edited 1 time in total.
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by sam2304 » Sun Apr 22, 2012 9:46 am
A - weight which allowed - which refer to weight
B - weight, which allows - allows does not agree in number with homeotherms
C - Same as A - weight allows them to survive on far less food - wrong meaning
E - ING form without comma modifies the noun just before it - again the same error as above.

D seems fine.

Hope I am right :) Correct me if anything is wrong.
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by GMAT Kolaveri » Sun Apr 22, 2012 10:22 am
A) weight which allowed which always occurs with a comma because it is not restrictive.
B) weight, which allows Most students think which can modify only the nouns preceding it. its not true. which refers to verb expend over 70%
C) weight which has allowed no comma
D) weight that has been allowing no need for a restrictive that
E) weight allowing no comma. 'ing modifiers are preceded by a comma
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by patanjali.purpose » Sun Apr 22, 2012 2:10 pm
patanjali.purpose wrote:Poikilotherms can subsist in what would be fatally food-depleted environments; they expend over 70% less energy than homeotherms per pound of body weight which allowed them to survive on far less food.

A) weight which allowed
B) weight, which allows
C) weight which has allowed
D) weight that has been allowing
E) weight allowing

IMO both B and E are correct - what you think?
GROCKIT; OA-B
B) weight, which allows Most students think which can modify only the nouns preceding it. its not true. which refers to verb expend over 70%
@GMAT Kolaveri - WHICH is a pronoun (it cannot refer to VERBS)

Made a mistake in posting OA; oa-B

But I do not find any difference btn B and D. Any view
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by GMAT Kolaveri » Sun Apr 22, 2012 5:22 pm
There was an earthquake in China, which is bad news.

I'm not sure if which refers to the verb, but which usage is not restricted to noun alone. Thats what I heard from Payal from E-gmat.
May be the experts can help us in the question and correct usage of which. What all roles can "which" play in a sentence. Experts please help.

https://grammar.quickanddirtytips.com/wh ... -that.aspx
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by sam2304 » Sun Apr 22, 2012 7:28 pm
What is the subject of the verb 'allows' in B and what does which refer to in B ? ? Would be great if someone can explain.
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by patanjali.purpose » Mon Apr 23, 2012 12:06 pm
sam2304 wrote:What is the subject of the verb 'allows' in B and what does which refer to in B ? ? Would be great if someone can explain.
IMO " per pound of body weight" is the subject of ALLOWS and therefore, think B and E are same
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by sam2304 » Mon Apr 23, 2012 6:17 pm
patanjali.purpose wrote:
sam2304 wrote:What is the subject of the verb 'allows' in B and what does which refer to in B ? ? Would be great if someone can explain.
IMO " per pound of body weight" is the subject of ALLOWS and therefore, think B and E are same
Isn't that a prepositional phrase ? Can it be a subject ?
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by avik.ch » Tue Apr 24, 2012 2:23 am
Poikilotherms can subsist in what would be fatally food-depleted environments; they expend over 70% less energy than homeotherms per pound of body weight which allowed them to survive on far less food.

A) weight which allowed
B) weight, which allows
C) weight which has allowed
D) weight that has been allowing
E) weight allowing
There seems some problem in this question. Are you sure you typed the question properly ?

I think there should be comma in E - before "allowing". Can you please recheck it.

a relative clause is not apt - " allowed them to survive on far less food" cannot be an adjective here. It is the result of the clause : "they expend over 70% less energy than homeotherms per pound of body weight" ---->

they expend over 70% less energy than homeotherms per pound of body weight, allowing them...... --- perfect
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by GMAT Kolaveri » Tue Apr 24, 2012 8:42 am
avik.ch wrote:
Poikilotherms can subsist in what would be fatally food-depleted environments; they expend over 70% less energy than homeotherms per pound of body weight which allowed them to survive on far less food.

A) weight which allowed
B) weight, which allows
C) weight which has allowed
D) weight that has been allowing
E) weight allowing
There seems some problem in this question. Are you sure you typed the question properly ?

I think there should be comma in E - before "allowing". Can you please recheck it.

a relative clause is not apt - " allowed them to survive on far less food" cannot be an adjective here. It is the result of the clause : "they expend over 70% less energy than homeotherms per pound of body weight" ---->

they expend over 70% less energy than homeotherms per pound of body weight, allowing them...... --- perfect
B is the perfect.
What allowed them to survive? the act of expending over 70% less energy.
This is referred by "which" and is separated by comma. Comma is must when non-restrictive which is used.

Which can refer to clauses
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by avik.ch » Tue Apr 24, 2012 8:25 pm
GMAT Kolaveri wrote:
B is the perfect.
What allowed them to survive? the act of expending over 70% less energy.
This is referred by "which" and is separated by comma. Comma is must when non-restrictive which is used.

Which can refer to clauses
Yes, pronoun can refer to an noun clause. here "which" cannot refer to the action " they expend over 70% less energy than homeotherms per pound of body weight" for 2 reason,

1. a pronoun can refer to a noun clause only ( but there are no SC in OG where a pronoun stand for a preceding noun clause. If you have got any, please show me.) here "they expend over 70% less energy than homeotherms per pound of body weight " is not a noun clause.

Moreover, "which" is a relative pronoun.
When we modify a noun clause, being a clause, we need an adverb. Relative pronoun cannot introduce a adverbial modifier.


2. GMAT has very specific usage of "which" :
- for a non essential modifier.
- as an object of a preposition.
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by lunarpower » Sun May 06, 2012 1:07 pm
i received a message about this thread.

"which" is a PRONOUN. like other pronouns, it must stand for a noun.
so, (b) is very wrong indeed.

worthless problem; ignore.

(actually, worse than worthless -- this is the sort of problem that, like so many random third-party problems, can actively teach you the wrong things. stick to the official stuff.)

--
Which can refer to clauses
nope.

"which" can do this in spoken english -- in fact, this is probably the dominant function of "which" in the spoken language -- but spoken english is not tested on this exam.
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