Manhattan_GMAT_Critical_Reasoning_Reading
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t-;hapter 5
(;b~lPt4~r 5 |
QUESTION TYPES STRATEGY |
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section or to |
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GMAT Kevlew. |
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11th Hditioin (pages 370-371) in order to reread Passage 3. Here is |
DETAIL MAP |
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we cre:ated |
SHORT passage: |
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Researchers: electroreceptors at tip of anteater'ssnout |
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-? Discovery: Exposed small parts of snout to weak electric fields + recorded |
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brain activity |
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-? Tactile receptors on snout only respond to stronger fields |
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Investigation: How anteaters utilize electroreceptors |
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-? Experiment: trained to distinguish water troughs by electric field |
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-? Hypothesis: use receptors to detect signals given off by prey |
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Map to |
-? No signals detected yet from termites, though anteaters locate them very |
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quickly |
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.4rl~orrlinlo to the passage, which of the following is a characteristic that distinguishes electroreceptors from tactile receptors?
The manner in which electroreceptors respond to electrical stimuli The tendency of electroreceptors to be found in clusters
unusual locations in which are tound in most
(D)The amount of electrical stimulation required to excite electroreceptors The amount of nervous activity transmitted to the brain by electroreceptors when they are excited
is a SPECIFIC qUl~stion.
can be |
the tOIIm;vmg |
response to electrical field str'en~tfls
known to excite electron~ce!pt(llrs.
Which of the folllowin2 can be int"t;rrt:d paragraph?
Researchers had dilticuHy vl~ril"'\{ir,a |
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electr.Jrecellt0J:s in the |
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range of electrical |
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field strengttls. |
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Researchers tound that the |
of nervous |
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anteater's brain |
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inc:re,ised d'rantlaticaUy as the |
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the electrical stimulus was increased. |
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Kese,lfcl1eJ'S found |
some |
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anteater's snout were not sensitive to |
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a weak electrical stimulus. |
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Researchers found that the anteater's tactile receptors were more |
excited |
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a |
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electrical stimulus than |
the |
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Researchers tested small areas |
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anteater's snout in order to ensure |
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stimulus. |
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edition),
Gr'lduate lvfanagement
This is a SPECIFIC note that this is a GMAT inference question, which means that the answer should be a fairly obvious
deduction. |
at our Detail |
that |
answer: |
since the researchers 1O(:atea |
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re§itIl:tin2 nervous ac:tiVity
Even
able to defend 1-2 sentences from
Uhapter5
9li1th!1ir of the passage most pnlbably discus,ses the t'mu:tiion of tactile rc(:eptOl's
in
aIt13m:ltl,re e;\\:plamlticill of anteaters' response to electrical stimuli
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rarlcti,on identical to that of |
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out a serious cOlnplic~ltiCrn in the research on electnClrece!)to]rs in anteaters |
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(D) |
suggest that tactile |
assist |
in the detection |
electrical |
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introduce a factor that was not addressed in the research on electroreceptors in |
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VIJ>"""" Guide for GMAT Review (lIth edition), #66
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of the Graduate Management |
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permission. |
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Looking at |
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the first para- |
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rec:ep1tors, another kind |
of sensory |
res:pond to electrical stimuli, such |
rc(:cp,tOlrs do so |
in response to electrical field str'eul!Uls about 1,000 times |
greater than those known to excite electroreceptors. As tactile receptors are present-
ed contrast to |
you can |
and (D). There is no evidence |
The sentence's |
IS counter a pot!:,mtl;al ol)lectlon |
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electtoreceptor discovery. |
(A) is the correct answer. |
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\Ah.apter 5
of the |
inferred abont ante~ltejrS from the beha1vioral |
experiment mentioned in the second paragraph?
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di5;tilllguish between stimuli detected |
their el<~ctJ,orec(;ptors |
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tactile receptors. |
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di5;tinLguish between the electrical |
from |
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enlaI1.ating from ant nests. |
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re(;og:ni2~e c,ons;ist,;:nfly the presence of a particl1lar |
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(D) |
than to weak stimuli. |
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detectmg stimuli in a controlled environment than in |
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edition), #67 |
This is a SPECIFIC |
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paragraph. Also |
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note |
is a |
inference |
means |
answer should be a |
fairly obvious deduction. |
(A) is unjustifiable because |
tactile receptors, |
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which are not mentioned in the second paragraph at alL (8) is unjustifiable because of
the |
ant nests, which are mentioned in |
passage but are never |
to ter- |
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m(mTlds in any way. |
is uu!ustlt1lable biec,mse |
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mentioned in the passage, and (E) is unjustitiable bei:;allse |
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nailur'a); the passage makes no |
between the two. |
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the |
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anteaters to dis,tin,guish |
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by electric |
it is |
that the |
can be |
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5
passlllge sUi~2e:sts that the researchers mentioned in the second paragraph who observed anteaters break into a nest of ants would most likely agree with which of
VlJ""''-U Guide for GMAT Review (11til edition),
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questions are the property |
Graduate lvfanagement |
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Admission COllllC1Z@ |
are |
with its permission. |
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qwestllon re~(aniing the second paragraph. It asks for an inference, |
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so |
answer |
something that can be deduced fairly easily. Look back at the |
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sentences that refer to researchers' observations of anteaters breaking into nests of ants:
researchers have observed anteaters breaking into a nest of ants at an oblique quiickjly 1<lcatjn2 n!cstiing chambers. This ability to quickly locate unseen
prey |
to the researchers, that the anteaters were using their elec- |
locate the |
chambers. These two sentences are structured like a |
'-AJ.ll'V,al l<~easOllinga:rgumc:nt: the first one is a premise and the second is a conclusion. assumption, that the anteaters' speed (indicated by the
L.bap:t:er 5
you read each passage, idp'ntit'u \\rhetht~r |
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that the line lengths are |
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those |
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is dltten~nt. |
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with more than 35 lines. |
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with 35 lines or |
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the passage, create a Skeletal Sketch |
paSlsa~;es)or a Detail Map (for |
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>J~~'J~"~ |
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first qUiestJlOn |
do not look at any of the subse- |
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rf''''{!1t1,cr |
the passage, |
to do this on the CAT. |
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Then, use |
Sk(~letal Sketch or Detail |
answer·in£! all |
qm~shons that accom- |
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pany the passage. |
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Use the |
for |
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qm~stlions on |
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minutes in total |
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au,ya<.,u time |
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