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The caterpillar of the geometrid moth strikes when special hairs

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Senior SC Moderator
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The caterpillar of the geometrid moth strikes when special hairs  [#permalink]

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New post 16 Nov 2018, 09:38
2
12
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

76% (01:23) correct 24% (01:27) wrong based on 766 sessions

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Project SC Butler: Day 10: Sentence Correction (SC2)


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The caterpillar of the geometrid moth strikes when special tactile hairs on its body are disturbed, after capturing its prey, holds the victim so that it cannot escape.

(A) strikes when special tactile hairs on its body are disturbed,

(B) striking when special tactile hairs on its body are disturbed, but

(C) which strikes when special tactile hairs on its body are disturbed,

(D) which, striking when special tactile hairs on its body are disturbed,

(E) strikes when special tactile hairs on its body are disturbed and,

NOTE: For this question, BEST or EXCELLENT answers must include the meaning of this sentence.


The best or excellent answers get kudos, which will be awarded after the answer is revealed. See below for time awards are given.

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Re: The caterpillar of the geometrid moth strikes when special hairs  [#permalink]

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New post 16 Nov 2018, 10:10
4
generis wrote:

Project SC Butler: Day 10: Sentence Correction (SC2)


For SC butler Questions Click Here


The caterpillar of the geometrid moth strikes when special tactile hairs on its body are disturbed, after capturing its prey, holds the victim so that it cannot escape.

(A) strikes when special tactile hairs on its body are disturbed,

(B) striking when special tactile hairs on its body are disturbed, but

(C) which strikes when special tactile hairs on its body are disturbed,

(D) which, striking when special tactile hairs on its body are disturbed,

(E) strikes when special tactile hairs on its body are disturbed and,



Answer must be E.

Meaning :
Here caterpillar does 2 things :

1) it strikes the victim on certain condition(disturbance of the hair)
and
2)it holds the victim (once it is captured on striking)

(A) strikes when special tactile hairs on its body are disturbed,

2 actions must be separated/connected by some connector so we need "and " after disturbed.

Also if i take it as list of actions of moth
so strikes and holds are 2 verbs w/o any connector between them which is wrong.
Also the sentence may mean hair are disturbed after catching the prey

So cause is : catching prey
effect:hair get disturbed
which is meaningless.

Original cause and effect is:
Cause:hair get disturbed
Effect:Moth strikes


(B) striking when special tactile hairs on its body are disturbed, but

here striking is not verb.it is modifier for moth.
So means
there is some particular type of moth which strikes only on its hair getting disturbed ,not the intended meaning.
Also if i take striking as verb
striking and holds are not parallel.
Also holds is verb and as said earlier,striking is not.So no verb in parallel to holds.

(C) which strikes when special tactile hairs on its body are disturbed,

This choice clubs errors of A and B.
Here which refers to moth so
giving meaning of B.

So means
there is some particular type of moth which strikes only on its hair getting disturbed ,not the intended meaning.

Also if i take it as list of actions of moth
so strikes and holds are 2 verbs w/o any connector between them which is wrong.
Also the sentence may mean hair are disturbed after catching the prey

So cause is : catching prey
effect:hair get disturbed
which is meaningless.

Original cause and effect is:
Cause:hair get disturbed
Effect:Moth strikes


(D) which, striking when special tactile hairs on its body are disturbed,

Same error as C for which
Same meaning error as A.

One main issue here is in this option we do not have verb.

The caterpillar of the geometrid moth which, striking when special tactile hairs on its body are disturbed,after capturing its prey, holds the victim so that it cannot escape.

Read it without modifiers(struck out part)
The caterpillar of the geometrid moth which holds the victim so that it cannot escape.

here holds is not verb of main sentence.

here we have subject:

The caterpillar of the geometrid moth

then sub clause:

which :subject of sub clause
holds: verb of sub clause
the victim so that it cannot escape.: object of subclause

so main clause has no verb.

It is like saying

My brother Ram who studies in USA


Then what ?
where is main verb?
if i say:

My brother Ram who studies in USA is the smartest in our family.

here "is" is the main verb.


(E) strikes when special tactile hairs on its body are disturbed and,
So all issues solved here.

Strikes and holds are parallel.
2 actions connected via and so no issues .
E is answer
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Re: The caterpillar of the geometrid moth strikes when special hairs  [#permalink]

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New post 16 Nov 2018, 21:15
Sentence shows two aspects of caterpillar

It strikes and holds
E correctly convey intended meaning , no other choice does that
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Re: The caterpillar of the geometrid moth strikes when special hairs  [#permalink]

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New post 17 Nov 2018, 00:15
1
My gut feeling is that this sentence tests parallelism.
Here we go:

Quote:
The caterpillar of the geometrid moth strikes when special tactile hairs on its body are disturbed, after capturing its prey, holds the victim so that it cannot escape.


This sentence presents a few facts about the caterpillar (of the geometrid moth)
It does below actions:
  • strikes when special tactile hairs on its body are disturbed (when correctly refers to the time frame when
    the action (strikes) is performed)
  • after capturing its prey, it holds the victim so that it cannot escape.


Quote:
(A) strikes when special tactile hairs on its body are disturbed,

As vanam52923 sugggested two main verbs in the sentence must be separated by and.

I love to sing and dance. correct
I love to sing, dance incorrect.

Quote:
(B) striking when special tactile hairs on its body are disturbed, but

the coma+verb-ing modifier is incorrectly used here. We do not need a HOW / RESULT of preceding clause here.
Rather we need a main verb = strikes.
There is no contrast in the sentence. The usage of but is incorrect.

Quote:
(C) which strikes when special tactile hairs on its body are disturbed,

(D) which, striking when special tactile hairs on its body are disturbed,


which is a noun modifier which refers to preceding noun.
Here we are not talking about a specific type of caterpillar.

Quote:
(E) strikes when special tactile hairs on its body are disturbed and,

the usage of and correctly connects two main verb: strikes and holds.
capturing is verb-ing modifier denoting an action here.
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Re: The caterpillar of the geometrid moth strikes when special hairs  [#permalink]

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New post 17 Nov 2018, 05:17
GMAT really is pain in the ...
In one of the OGs , it says "hairs" is wrong and now here "hairs " is used. COMMMMOOOOONNNN !!!
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Re: The caterpillar of the geometrid moth strikes when special hairs  [#permalink]

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New post 17 Nov 2018, 06:47
generis wrote:

Project SC Butler: Day 10: Sentence Correction (SC2)


For SC butler Questions Click Here


The caterpillar of the geometrid moth strikes when special tactile hairs on its body are disturbed, after capturing its prey, holds the victim so that it cannot escape.

(A) strikes when special tactile hairs on its body are disturbed,

(B) striking when special tactile hairs on its body are disturbed, but

(C) which strikes when special tactile hairs on its body are disturbed,

(D) which, striking when special tactile hairs on its body are disturbed,

(E) strikes when special tactile hairs on its body are disturbed and,

NOTE: For this question, BEST or EXCELLENT answers must include the meaning of this sentence.


Thebest/excellent answers get kudos, which will be awarded after the answer is revealed.


Answer must be (E)

The caterpillar of the geometrid moth strikes when special tactile hairs on its body are disturbed and,
after capturing its prey, holds the victim so that it cannot escape.

A process of capturing prey is discussed, which is correctly presented only in option (E)
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The caterpillar of the geometrid moth strikes when special hairs  [#permalink]

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New post 17 Nov 2018, 12:12
1
generis wrote:

Project SC Butler: Day 10: Sentence Correction (SC2)


For SC butler Questions Click Here


The caterpillar of the geometrid moth strikes when special tactile hairs on its body are disturbed, after capturing its prey, holds the victim so that it cannot escape.

(A) strikes when special tactile hairs on its body are disturbed,
(B) striking when special tactile hairs on its body are disturbed, but
(C) which strikes when special tactile hairs on its body are disturbed,
(D) which, striking when special tactile hairs on its body are disturbed,
(E) strikes when special tactile hairs on its body are disturbed and,

NOTE: For this question, BEST or EXCELLENT answers must include the meaning of this sentence.

OFFICIAL EXPLANATION

My comments are in blue text.

• Choice A is incorrect because it provides no word or construction that can form a grammatical link with the remainder of the sentence.

• By substituting striking for strikes, choice B removes the verb form that functions with caterpillar, the grammatical subject, to make a complete sentence.
Rewrite: Choice B substitutes striking for strikes. Striking is a participle, not a verb. The subject caterpillar has no verb. The sentence is incomplete.

• C is awkward and also ambiguous because it is not immediately clear whether which is meant to refer to caterpillar or moth.

• In D, which is again ambiguous, and with striking in place of strikes, which takes holds as its verb, leaving no verb for the subject of the sentence.

• Choice E is best: and links the verbs strikes and holds to form a compound verb (my emphasis) for the subject caterpillar.

This OE is good.
Let me know if you do not understand the explanation of option A.

-------------------
vanam52923 , thanks for joining us!

Two answers vied for "the best." (Usually the "best" is really hard to determine among answers to SC questions.)
vanam52923 and adkikani posted those two answers.
The competition was very close. Decision: vanam52923 wins best answer today.
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The caterpillar of the geometrid moth strikes when special hairs  [#permalink]

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New post 17 Nov 2018, 12:19
AdityaHongunti wrote:
GMAT really is pain in the ...
In one of the OGs , it says "hairs" is wrong and now here "hairs " is used. COMMMMOOOOONNNN !!!

AdityaHongunti
:lol: :lol:

I wondered whether anyone would catch the annoyance factor.
I like snark. Levity is always welcome.

I promise not to post any questions about tomatoes, heirloom or otherwise.
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The caterpillar of the geometrid moth strikes when special hairs  [#permalink]

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New post 17 Nov 2018, 20:22
1
generis wrote:
generis wrote:

Project SC Butler: Day 10: Sentence Correction (SC2)


For SC butler Questions Click Here


The caterpillar of the geometrid moth strikes when special tactile hairs on its body are disturbed, after capturing its prey, holds the victim so that it cannot escape.

(A) strikes when special tactile hairs on its body are disturbed,
(B) striking when special tactile hairs on its body are disturbed, but
(C) which strikes when special tactile hairs on its body are disturbed,
(D) which, striking when special tactile hairs on its body are disturbed,
(E) strikes when special tactile hairs on its body are disturbed and,

NOTE: For this question, BEST or EXCELLENT answers must include the meaning of this sentence.

OFFICIAL EXPLANATION

My comments are in blue text.

• Choice A is incorrect because it provides no word or construction that can form a grammatical link with the remainder of the sentence.

• By substituting striking for strikes, choice B removes the verb form that functions with caterpillar, the grammatical subject, to make a complete sentence.
Rewrite: Choice B substitutes striking for strikes. Striking is a participle, not a verb. The subject caterpillar has no verb. The sentence is incomplete.

• C is awkward and also ambiguous because it is not immediately clear whether which is meant to refer to caterpillar or moth.

• In D, which is again ambiguous, and with striking in place of strikes, which takes holds as its verb, leaving no verb for the subject of the sentence.

• Choice E is best: and links the verbs strikes and holds to form a compound verb (my emphasis) for the subject caterpillar.

This OE is good.
Let me know if you do not understand the explanation of option A.

-------------------
vanam52923 , thanks for joining us!

Two answers vied for "the best." (Usually the "best" is really hard to determine among answers to SC questions.)
vanam52923 and adkikani posted those two answers.
The competition was very close. Decision: vanam52923 wins best answer today.


generis Thank you :)
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Re: The caterpillar of the geometrid moth strikes when special hairs  [#permalink]

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New post 25 Feb 2020, 23:32
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Re: The caterpillar of the geometrid moth strikes when special hairs   [#permalink] 25 Feb 2020, 23:32
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