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GMAT Prep RC: Even more than mountainside slides

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Expert Post
MBA Section Director
User avatar
D
Joined: 19 Mar 2012
Posts: 4678

Kudos [?]: 17606 [0], given: 1986

Location: India
GMAT 1: 760 Q50 V42
GPA: 3.8
WE: Marketing (Non-Profit and Government)
GMAT Prep RC: Even more than mountainside slides [#permalink]

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New post 24 Jun 2016, 10:54
Question 1
00:00
A
B
C
D
E

Question Stats:

90% (01:16) correct 10% (00:44) wrong based on 77

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Question 2
00:00
A
B
C
D
E

Question Stats:

79% (00:27) correct 21% (00:18) wrong based on 71

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New GMAT Prep RC Project: 1 RC Every day. Don't forget to time yourself with the stopwatch below to earn kudos.


Even more than mountainside slides of mud or snow,naturally occurring forest fires promote the survival of aspen trees. Aspens’ need for fire may seem illogical since aspens are particularly vulnerable to fires whereas the bark of most trees consists of dead cells,the aspen’s bark is a living, functioning tissue that—along with the rest of the tree—succumbs quickly to fire.The explanation is that each aspen, while appearing to exist separately as a single tree, is in fact only the stem or shoot of a far larger organism. A group of thousands of aspens can actually constitute a single organism, called a clone, that shares an interconnected root system and a unique set of genes.Thus, when one aspen—a single stem—dies, the entire clone is affected. While alive, a stem sends hormones into the root system to suppress formation of further stems. But when the stem dies, its hormone signal also ceases. If a clone loses many stems simultaneously, the resulting hormonal imbalance triggers a huge increase in new, rapidly growing shoots that can outnumber the ones destroyed. An aspen grove needs to experience fire or some other disturbance regularly, or it will fail to regenerate and spread. Instead, coniferous trees will invade the aspen grove’s borders and increasingly block out sunlight needed by the aspens.

1) The primary purpose of the passage is to explain the
A. qualities that make a particular organism unique
B. evolutionary change undergone by a particular organism
C. reasons that a phenomenon benefits a particular organism
D. way in which two particular organisms compete for a resource
E. means by which a particular organism has been able to survive in a barren region

[Reveal] Spoiler:
C


2)It can be inferred from the passage that when aspen groves experience a “disturbance”, such a disturbance
A. leads to a hormonal imbalance within an aspen clone
B. provides soil conditions that are favorable for new shoots
C. thins out aspen groves that have become overly dense
D. suppresses the formation of too many new aspen stems
E. protects aspen groves by primarily destroying coniferous trees rather than aspens

[Reveal] Spoiler:
A

[Reveal] Spoiler: Question #1 OA
[Reveal] Spoiler: Question #2 OA

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Kudos [?]: 17606 [0], given: 1986

Expert Post
MBA Section Director
User avatar
D
Joined: 19 Mar 2012
Posts: 4678

Kudos [?]: 17606 [0], given: 1986

Location: India
GMAT 1: 760 Q50 V42
GPA: 3.8
WE: Marketing (Non-Profit and Government)
Re: GMAT Prep RC: Even more than mountainside slides [#permalink]

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New post 24 Jun 2016, 10:56

Kudos [?]: 17606 [0], given: 1986

Manager
Manager
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B
Joined: 12 Sep 2016
Posts: 71

Kudos [?]: 9 [0], given: 796

Location: India
Schools: Kellogg '20
GMAT 1: 700 Q50 V34
GPA: 3.33
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GMAT Prep RC: Even more than mountainside slides [#permalink]

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New post 23 Sep 2017, 02:51
Is this really a 700 level passage?

The passage is easy to understand and the questions are easy too. I think it's a 600-650 level passage at best.

Kudos [?]: 9 [0], given: 796

GMAT Prep RC: Even more than mountainside slides   [#permalink] 23 Sep 2017, 02:51
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GMAT Prep RC: Even more than mountainside slides

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