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# Schistosomiasis, a disease caused by a parasitic worm, is

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Schistosomiasis, a disease caused by a parasitic worm, is [#permalink]

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25 Jan 2012, 06:17
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Question # 92 from the Verbal Review - 2nd Edition of the Official Guide - Sentence Correction (page 310)

Schistosomiasis, a disease caused by a parasitic worm, is prevalent in hot, humid climates, and it has become more widespread as irrigation projects have enlarged the habitat of THE FRESHWATER SNAILS THAT ARE THE PARASITE'S HOSTS FOR PART OF ITS LIFE CYCLE.

A. the freshwater snails that are the parasite's hosts for part of its life cycle
B. the freshwater snails that are the parasite's hosts in part of their life cycle
C. freshwater snails which becomes the parasite's hosts for part of its life cycles
D. freshwater snails which become the hosts of the parasite during the parasite's life cycles
E. parasite's hosts, freshwater snails which become their hosts during their life cycles

[Reveal] Spoiler:
I said B, which I can see how it's wrong because after reading the answers I understood they meant the life cycle is of the parasite, not the host - so my mistake was more in the meaning of the sentence rather than grammar.

The right answer is A - my questions is this: in MGMAT sentence correction book I remember reading that one should be very careful using a pronoun of a possessive term and that it's usually incorrect. So in A, they are saying that "its" refers to parasite's - this seems wrong. Does anyone else agree? Or am I misunderstanding something? To me it is not clear what "it" refers to because the term parasite is in a possessive term.

Thanks a lot!!
G
[Reveal] Spoiler: OA
If you have any questions
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Re: Pronoun of a possessive - question from official quide [#permalink]

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25 Jan 2012, 07:06
simple singular plural thing can eliminate all the wrong options
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Re: Pronoun of a possessive - question from official quide [#permalink]

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25 Jan 2012, 07:44

I see that part now but, like i mentioned, what confused me was that i thought they meant that the life cycle was of the snails, not of the parasite, in which case my answer B would have been correct ( i misunderstood the meaning). so the way i understood it, option A would have actually been wrong because "snails" (plural) doesn't work with "its" (singular), so I eliminated for that reason. So I see why it's not B for this particular question, but I was asking more in general about the concept of a pronoun referring to something in a possessive form. I thought the rule was that you cannot do this?

Thanks.
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Re: Pronoun of a possessive - question from official quide [#permalink]

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25 Jan 2012, 08:11
thats what is sc concerned with...

read the question carefully and never eliminate option by making assumptions

all the best for your prep when ll you give your exam by the way???
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Re: Pronoun of a possessive - question from official quide [#permalink]

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27 Jan 2012, 04:05
tricky - only got it after reviewing the answers again.

IMO "A" as it is the only valid answer with singular (parasit) options
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Re: Pronoun of a possessive - question from official quide [#permalink]

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27 Jan 2012, 17:29
Good question. Thanks for sharing
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Re: Pronoun of a possessive - question from official quide [#permalink]

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28 Jul 2012, 09:13
Can some explain when in the same sentence it <any pronoun> can have two references?
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Re: Pronoun of a possessive - question from official quide [#permalink]

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04 Aug 2012, 16:34
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getzonator wrote:

I see that part now but, like i mentioned, what confused me was that i thought they meant that the life cycle was of the snails, not of the parasite, in which case my answer B would have been correct ( i misunderstood the meaning). so the way i understood it, option A would have actually been wrong because "snails" (plural) doesn't work with "its" (singular), so I eliminated for that reason. So I see why it's not B for this particular question, but I was asking more in general about the concept of a pronoun referring to something in a possessive form. I thought the rule was that you cannot do this?

Thanks.

Its here is not referring to possessive parasite but instead the first referred worm

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Re: Pronoun of a possessive - question from official quide [#permalink]

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04 Aug 2012, 22:14
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MGMAT( in a reversal form its earlier rigid stand perhaps) says that the issue of possessive poison is not worth worrying about, since there has been hardly any case that has been rejected on the score of the possessive pronoun’s antecedence in the realm of GMAT.

The take away of possessive pronoun custom is;

1. A possessive pronoun can stand for a possessive noun
2. A possessive pronoun can stand for a non- possessive noun
3. A non possessive pronoun can stand for a non- possessive noun.
4. The only case where it can‘t be accepted is when a
Non- possessive is used to stand for a possessive noun

A. the freshwater snails that are the parasite's hosts for part of its life cycle --- here its is possessive and parasite’s is possessive. So ther is no issue. correct choice
B. the freshwater snails that are the parasite's hosts in part of their life cycle – pronoun number agreement
C. freshwater snails which becomes the parasite's hosts for part of its life cycles—snails which becomes – S-V mismatch
D. freshwater snails which become the hosts of the parasite during the parasite's life cycles--- how many life cycles does the parasite have? Secondly do all the hosts have one parasite? Illogical
E. parasite's hosts, freshwater snails which become their hosts during their life cycles— parasite is singular while the there is a plural pronoun.
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Re: Pronoun of a possessive - question from official quide [#permalink]

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04 Aug 2012, 22:25
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@ pavanpuneet

If you are referring to the topic in front, then perhaps there is no issue. The first it refers to the subject of the first IC in a compound sentence, which is correct.
The purported second It, which is not part of this issue, is in fact not it but the possessive its, which stands for the parasite’s, a possessive noun.

But generally speaking, one and the same pronoun referring to two different nouns, is grammatically incorrect, unless context demands so and the contexts are totally disconnected.in
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Re: Pronoun of a possessive - question from official quide [#permalink]

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03 Sep 2012, 03:52
I initially chose B.
My doubt is why can't the answer be B. I mean meaning-wise B is also correct, though it distorts the meaning. So can anyone tell me whether the sole reason to eliminate B is that it diverts itself away from the intended meaning OR is there some other reason?
If, meaning-wise, two outcomes are plausible then how can I deduce that this particular meaning is correct and the other is not?
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Re: Pronoun of a possessive - question from official quide [#permalink]

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01 Oct 2012, 05:08
is the subject not Schistosomiasis ?
if it is the subject then "its" should refer to that subject right?

in that case Schistosomiasis is singular ( because any disease is taken as singular) so answer should be "A".

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Re: Pronoun of a possessive - question from official quide [#permalink]

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18 Nov 2013, 09:10
I also thought that GMAT was consistent in pronoum-references. But it seems not to be the case; as far as I could scoop, a possessive pronoun does not necessarily creates a reference to previous pronoun. This is the take away here.

is the subject not Schistosomiasis ?
if it is the subject then "its" should refer to that subject right?

in that case Schistosomiasis is singular ( because any disease is taken as singular) so answer should be "A".

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Re: Pronoun of a possessive - question from official quide [#permalink]

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18 Nov 2013, 09:13
According to the offficial answer, "in part" is not an adequate usage to indicate duration. I believe that "in part" is better expressed to anticipate explanations.

Marcab wrote:
I initially chose B.
My doubt is why can't the answer be B. I mean meaning-wise B is also correct, though it distorts the meaning. So can anyone tell me whether the sole reason to eliminate B is that it diverts itself away from the intended meaning OR is there some other reason?
If, meaning-wise, two outcomes are plausible then how can I deduce that this particular meaning is correct and the other is not?
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Re: Schistosomiasis, a disease caused by a parasitic worm, is [#permalink]

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22 Nov 2013, 19:48
I almost chose D until I read 'life cycles'. The only option that remains open is A
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Re: Schistosomiasis, a disease caused by a parasitic worm, is [#permalink]

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Re: Schistosomiasis, a disease caused by a parasitic worm, is [#permalink]

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19 Aug 2016, 23:18
Schistosomiasis, a disease caused by a parasitic worm, is prevalent in hot, humid climates, and it has become more widespread as irrigation projects have enlarged the habitat of THE FRESHWATER SNAILS THAT ARE THE PARASITE'S HOSTS FOR PART OF ITS LIFE CYCLE.

A. the freshwater snails that are the parasite's hosts for part of its life cycle
B. the freshwater snails that are the parasite's hosts in part of their life cycle
C. freshwater snails which becomes the parasite's hosts for part of its life cycles
D. freshwater snails which become the hosts of the parasite during the parasite's life cycles
E. parasite's hosts, freshwater snails which become their hosts during their life cycles

irrigation projects have enlarged the habitat of THE FRESHWATER SNAILS.
THE FRESHWATER SNAILS ARE THE PARASITE'S HOSTS for PART OF parasite's LIFE CYCLE.

Parasite is singular as implied by "a disease caused by a parasitic worm"
Also PARASITE'S ________It's => OK

so B, E out.
Which without "Comma" incorrect so C, D, E out.

A correct
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Re: Schistosomiasis, a disease caused by a parasitic worm, is [#permalink]

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19 Aug 2016, 23:19
Schistosomiasis, a disease caused by a parasitic worm, is prevalent in hot, humid climates, and it has become more widespread as irrigation projects have enlarged the habitat of THE FRESHWATER SNAILS THAT ARE THE PARASITE'S HOSTS FOR PART OF ITS LIFE CYCLE.

A. the freshwater snails that are the parasite's hosts for part of its life cycle
B. the freshwater snails that are the parasite's hosts in part of their life cycle
C. freshwater snails which becomes the parasite's hosts for part of its life cycles
D. freshwater snails which become the hosts of the parasite during the parasite's life cycles
E. parasite's hosts, freshwater snails which become their hosts during their life cycles

irrigation projects have enlarged the habitat of THE FRESHWATER SNAILS.
THE FRESHWATER SNAILS ARE THE PARASITE'S HOSTS for PART OF parasite's LIFE CYCLE.

Parasite is singular as implied by "a disease caused by a parasitic worm"
Also PARASITE'S ________It's => OK

so B, E out.
Which without "Comma" incorrect so C, D, E out.

A correct
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Re: Schistosomiasis, a disease caused by a parasitic worm, is [#permalink]

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22 Aug 2016, 02:27
getzonator wrote:
Question # 92 from the Verbal Review - 2nd Edition of the Official Guide - Sentence Correction (page 310)

Schistosomiasis, a disease caused by a parasitic worm, is prevalent in hot, humid climates, and it has become more widespread as irrigation projects have enlarged the habitat of THE FRESHWATER SNAILS THAT ARE THE PARASITE'S HOSTS FOR PART OF ITS LIFE CYCLE.

A. the freshwater snails that are the parasite's hosts for part of its life cycle
B. the freshwater snails that are the parasite's hosts in part of their life cycle
C. freshwater snails which becomes the parasite's hosts for part of its life cycles
D. freshwater snails which become the hosts of the parasite during the parasite's life cycles
E. parasite's hosts, freshwater snails which become their hosts during their life cycles

Whenever you see "that" and "which (without comma)"- always prefer that!
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Re: Schistosomiasis, a disease caused by a parasitic worm, is [#permalink]

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27 Dec 2016, 17:00
Split1) Modifiers. In C, D and E you need commas before the word "which"= indicates a noun modifier.

Split2) Preposition "in" vs "for". The correct preposition to express duration with host is "for", not "in".

Split3) Plural vs Singular. In B, you are talking about a singular parasite and "its" life cycle, not "their" life cycle.
Re: Schistosomiasis, a disease caused by a parasitic worm, is   [#permalink] 27 Dec 2016, 17:00

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