GMAT Changed on April 16th - Read about the latest changes here

 It is currently 26 Apr 2018, 19:22

### GMAT Club Daily Prep

#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# A drug that is highly effective in treating many types of

Author Message
TAGS:

### Hide Tags

Manager
Joined: 04 Jan 2011
Posts: 73
A drug that is highly effective in treating many types of [#permalink]

### Show Tags

Updated on: 22 Jan 2018, 05:00
1
KUDOS
1
This post was
BOOKMARKED
00:00

Difficulty:

5% (low)

Question Stats:

87% (00:52) correct 13% (00:54) wrong based on 651 sessions

### HideShow timer Statistics

A drug that is highly effective in treating many types of infection can, at present, be obtained only from the bark of the ibora, a tree that is quite rare in the wild. It takes the bark of 5,000 trees to make one kilogram of the drug. It follows, therefore, that continued production of the drug must inevitably lead to the ibora’s extinction.

Which of the following, if true, most seriously weakens the argument above?

(A) The drug made from ibora bark is dispensed to doctors from a central authority.
(B) The drug made from ibora bark is expensive to produce.
(C) The leaves of the ibora are used in a number of medical products.
(D) The ibora can be propagated from cuttings and grown under cultivation.
(E) The ibora generally grows in largely inaccessible places.
[Reveal] Spoiler: OA

Originally posted by fanatico on 13 Mar 2011, 19:48.
Last edited by hazelnut on 22 Jan 2018, 05:00, edited 1 time in total.
Edited the question.
Senior Manager
Joined: 09 Feb 2011
Posts: 255
Concentration: General Management, Social Entrepreneurship
Schools: HBS '14 (A)
GMAT 1: 770 Q50 V47
Re: A drug that is highly effective in treating many types of [#permalink]

### Show Tags

13 Mar 2011, 21:02
1
KUDOS
answer should be D. If the tree is inaccessible, it means that the drug would be not produced. however, that is not an option. the question clearly states- continued production of the drug as a given, and the assumption is that it will lead to extinction of the tree. that has to be challenged, and the fact that ibora can grow from cutting and under cultivation means that even if the drug continues to be produced, more and more Ibora trees can be grown.
Manager
Joined: 21 Oct 2007
Posts: 189
GRE 1: 1250 Q780 V540
Re: A drug that is highly effective in treating many types of [#permalink]

### Show Tags

14 Mar 2011, 13:34
vivesomnium wrote:
answer should be D. If the tree is inaccessible, it means that the drug would be not produced. however, that is not an option. the question clearly states- continued production of the drug as a given, and the assumption is that it will lead to extinction of the tree. that has to be challenged, and the fact that ibora can grow from cutting and under cultivation means that even if the drug continues to be produced, more and more Ibora trees can be grown.

i too chose D as it says we have a way to grow the ibore.
_________________

If you like my post, please press Kudos+1

Manager
Joined: 10 Nov 2010
Posts: 146
Re: A drug that is highly effective in treating many types of [#permalink]

### Show Tags

14 Mar 2011, 21:21
I also choose "D".
Please refer to http://www.manhattangmat.com/forums/a-d ... t3788.html for the correct answer.It is D.
Manager
Joined: 04 Jan 2011
Posts: 73
Re: A drug that is highly effective in treating many types of [#permalink]

### Show Tags

15 Mar 2011, 20:28
Thanks...guess my source of answer is incorrect...
Intern
Joined: 23 May 2013
Posts: 1
Re: A drug that is highly effective in treating many types of [#permalink]

### Show Tags

11 Feb 2014, 05:35
Hii i just saw that the question is weaken the argument and not the conclusion that is after therefore

I am not justifying the answer
Intern
Joined: 31 Jul 2016
Posts: 5
Re: A drug that is highly effective in treating many types of [#permalink]

### Show Tags

01 Aug 2016, 21:47
1
KUDOS
Hello! I am beginner here. The following tips helped me a lot to find the accurate answer.
1. Identifying & summarising conclusion
Perpetuating production of the drug will most likely to destroy Ibora.
2. Identifying & summarising premise
5000 Ibora trees are required to make 1kg of drug
High effectiveness in treatment leads to demand
Ibora is already rare tree in the wild.
3. Identifying possible assumption:
- Medical innovation to artificially create drug which has equal effectiveness as Ibora
- To plant Ibora
- Making it illegal

(A) The drug made from ibora bark is dispensed to doctors from a central authority.
Giving out drug will enable drug production. Therefore, it is STRENGTHENING the conclusion.
(B) The drug made from ibora bark is expensive to produce.
Inclusive purchase can be done with the people who has enough money to buy the drug.
(C) The leaves of the ibora are used in a number of medical products.
It is indicating uses of Ibora tree for medical purpose. It is NOT weakening the conclusion.
(D) The ibora can be propagated from cuttings and grown under cultivation.
This option is clearly weakening the conclusion. Because, as stated in the assumption, planting Ibora can be solution to prevent from extinction.
(E) The ibora generally grows in largely inaccessible places.
Even though, there is some difficulties, it doesn't mean that the production will be ceased.
Senior Manager
Joined: 07 Sep 2014
Posts: 440
Concentration: Finance, Marketing
Re: A drug that is highly effective in treating many types of [#permalink]

### Show Tags

02 Aug 2016, 00:44
Prethinking

1} if only mg amount of bark is required..then 1kg is enough

forever..no extinction
2} if tree capable to grow nAturally at such a rate that it will replace tree that has been cut

D and e seems contender. D more strong..if you can save cutting you can cultivate it any time you want.
E ~ currently not accessible ~ you may reach it or you may not.

Imo d

Sent from my Moto G (4) using GMAT Club Forum mobile app
Manager
Joined: 22 Nov 2016
Posts: 238
Location: United States
GPA: 3.4
Re: A drug that is highly effective in treating many types of [#permalink]

### Show Tags

09 Jul 2017, 10:41
Conclusion: Production of Ibora will eventually lead to its extinction
Premise 1: Ibora effective in treating many infections
Premise 2: A lot of Ibora bark needed to produce a small quantity of medicine
We need to find the answer that weakens the conclusion

(A) The drug made from ibora bark is dispensed to doctors from a central authority. - Does this weaken the conclusion? NO. If anything this is out of scope. We are not focused on how the drug is dispensed. Only its creation.

(B) The drug made from ibora bark is expensive to produce.- Does this weaken the conclusion? NO. If anything this strengthens the premise that Ibora is rare and thus expensive.

(C) The leaves of the ibora are used in a number of medical products - Does this weaken the conclusion? NO. This strengthens the usefulness of Ibora and hence more might be needed. Does not focus on the creation.

(D) The ibora can be propagated from cuttings and grown under cultivation. Does this weaken the conclusion?YES. If we can grow Ibora artificially, we can reduce the impact on its wild population thus probably avoid its extinction. Although this does not demolish the conclusion, it certainly weakens it.

(E) The ibora generally grows in largely inaccessible places.- Does this weaken the conclusion? NO. This is out of scope. The location where Iboras grow does not matter because the premise clearly says we are already harvesting it to a large extent.
_________________

Kudosity killed the cat but your kudos can save it.

Verbal Forum Moderator
Joined: 19 Mar 2014
Posts: 977
Location: India
Concentration: Finance, Entrepreneurship
GPA: 3.5
Re: A drug that is highly effective in treating many types of [#permalink]

### Show Tags

25 Aug 2017, 23:53
fanatico wrote:
A drug that is highly effective in treating many types of infection can, at present, be obtained only from the bark of the ibora, a tree that is quite rare in the wild. It takes the bark of 5,000 trees to make one kilogram of the drug. It follows, therefore, that continued production of the drug must inevitably lead to the ibora’s extinction.
Which of the following, if true, most seriously weakens the argument above?
(A) The drug made from ibora bark is dispensed to doctors from a central authority.
(B) The drug made from ibora bark is expensive to produce.
(C) The leaves of the ibora are used in a number of medical products.
(D) The ibora can be propagated from cuttings and grown under cultivation.
(E) The ibora generally grows in largely inaccessible places.

In order to avoid the extinction, we need to find a counter statement that can tell us that there are other methods to cultivate this trees

Based on all the options only option D is close to tell us that missing reason.
_________________

"Nothing in this world can take the place of persistence. Talent will not: nothing is more common than unsuccessful men with talent. Genius will not; unrewarded genius is almost a proverb. Education will not: the world is full of educated derelicts. Persistence and determination alone are omnipotent."

Best AWA Template: https://gmatclub.com/forum/how-to-get-6-0-awa-my-guide-64327.html#p470475

Manager
Joined: 29 Feb 2016
Posts: 106
Location: India
GMAT 1: 700 Q49 V35
GPA: 3
Re: A drug that is highly effective in treating many types of [#permalink]

### Show Tags

29 Nov 2017, 04:56
fanatico wrote:
A drug that is highly effective in treating many types of infection can, at present, be obtained only from the bark of the ibora, a tree that is quite rare in the wild. It takes the bark of 5,000 trees to make one kilogram of the drug. It follows, therefore, that continued production of the drug must inevitably lead to the ibora’s extinction.
Which of the following, if true, most seriously weakens the argument above?
(A) The drug made from ibora bark is dispensed to doctors from a central authority.
(B) The drug made from ibora bark is expensive to produce.
(C) The leaves of the ibora are used in a number of medical products.
(D) The ibora can be propagated from cuttings and grown under cultivation.
(E) The ibora generally grows in largely inaccessible places.

Can someone please explain why cant E be the right answer. If ibore is grows in inaccessible places, then those plants could not be used for production of the drug. Therefore those plants still remain in some inaccessible places.
_________________

Find what you love and let it kill you. — Charles Bukowski

Senior Manager
Joined: 09 Mar 2017
Posts: 383
Location: India
Concentration: Marketing, Organizational Behavior
WE: Information Technology (Computer Software)
Re: A drug that is highly effective in treating many types of [#permalink]

### Show Tags

29 Nov 2017, 06:49
1
KUDOS
sumanainampudi wrote:
fanatico wrote:
A drug that is highly effective in treating many types of infection can, at present, be obtained only from the bark of the ibora, a tree that is quite rare in the wild. It takes the bark of 5,000 trees to make one kilogram of the drug. It follows, therefore, that continued production of the drug must inevitably lead to the ibora’s extinction.
Which of the following, if true, most seriously weakens the argument above?
(A) The drug made from ibora bark is dispensed to doctors from a central authority.
(B) The drug made from ibora bark is expensive to produce.
(C) The leaves of the ibora are used in a number of medical products.
(D) The ibora can be propagated from cuttings and grown under cultivation.
(E) The ibora generally grows in largely inaccessible places.

Can someone please explain why cant E be the right answer. If ibore is grows in inaccessible places, then those plants could not be used for production of the drug. Therefore those plants still remain in some inaccessible places.

We need to weaken that continued production of the drug must inevitably lead to the ibora’s extinction. So the cocnclusion talks about a post effect of production of drug; the drug is already produced as per the conclusion. E is questioning something that is assumed to be happening in the main conclusion. Weaken the result of action and not the action itself.
As per your query ("...then those plants could not be used for production of the drug."), E is weakening the action at the first place, which is taken to be true in the conclusion.
Hope it helped.
_________________

------------------------------
"Trust the timing of your life"
Hit Kudus if this has helped you get closer to your goal, and also to assist others save time. Tq

Re: A drug that is highly effective in treating many types of   [#permalink] 29 Nov 2017, 06:49
Display posts from previous: Sort by