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Plant scientists have been able to genetically engineer

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Plant scientists have been able to genetically engineer [#permalink] New post 24 Jul 2009, 23:44
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A
B
C
D
E

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(N/A)

Question Stats:

67% (02:11) correct 33% (01:29) wrong based on 11 sessions
Plant scientists have been able to genetically engineer vegetable seeds
to produce crops that are highly resistant to insect damage. Although
these seeds currently cost more than conventional seeds, their cost is
likely to decline. Moreover, farmers planting them can use far less pesticide,
and most consumers prefer vegetables grown with less pesticide,
therefore, for crops for which these seeds can be developed, their use
is likely to become the norm.
which of the following would be most useful to know in evaluating the
argument above?
A. Whether plant scientists have developed insect-resistant seeds
For every crop that is currently grown commercially
B. Whether farmers typically use agricultural pesticides in larger
Amounts than is necessary to prevent crop damage.
C. Whether plants grown from the new genetically engineered seeds
Can be kept completely free of insect damage.
D. Whether seeds genetically engineered to produce insect-resistant
crops generate significantly lower per acre crop yields than do
currently used seeds.
E. Whether most varieties of crops currently grown commercially have
Greater natural resistance to insect damage than did similar varieties
in the past.
OA after explanations
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Re: Plant Scientists [#permalink] New post 25 Jul 2009, 00:00
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IMO D

A. Whether plant scientists have developed insect-resistant seeds For every crop that is currently grown commercially -Incorrect. Argument already saying "is likely to become the norm", that means it is still in initial phase of development.
B. Whether farmers typically use agricultural pesticides in larger Amounts than is necessary to prevent crop damage. -Out of scope. The argument just says that "farmers planting them can use far less pesticide". Its "far less" then the normal amount used today, and people will prefer vegetables using less amount of pesticides than the normal amount
C. Whether plants grown from the new genetically engineered seeds Can be kept completely free of insect damage. -Argument already saying that its "highly resistant to insect damage". That means there is still chances, though may be very little, of insect damage.
D. Whether seeds genetically engineered to produce insect-resistant crops generate significantly lower per acre crop yields than do currently used seeds. -Correct. If the new seeds generate significantly low crop yield, then it may become difficult to become a norm.
E. Whether most varieties of crops currently grown commercially have Greater natural resistance to insect damage than did similar varieties in the past. -Irrelevant
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Re: Plant Scientists [#permalink] New post 20 Aug 2009, 03:10
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I've looked that question again, however I did not understand the reasoning. Could someone explain the reasoning behind it ? Kudos will be appreciated to the good reasonings . Thanks :)
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Re: Plant Scientists [#permalink] New post 20 Aug 2009, 06:04
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In this kind of question you're looking for an answer choice that if is true strengthen/weakens the argument and that if is false has weakens/strengthen the argument.

Premise 1: Plant scientists have been able to genetically engineer vegetable seeds
to produce crops that are highly resistant to insect damage

Premise 2: The seeds currently cost more than conventional seeds, their cost is
likely to decline

Premise 3: farmers planting them can use far less pesticide

Premise 4: most consumers prefer vegetables grown with less pesticide

Conclusion : their use is likely to become the norm

The author provides all the evidence to support that the use of the seeds will become a norm


A. Whether plant scientists have developed insect-resistant seeds for every crop that is currently grown commercially

If this is false nothing hampers that the seeds become the norm.
If this is true more seeds will become the norm.

A is out.

B. Whether farmers typically use agricultural pesticides in larger amounts than is necessary to prevent crop damage.

if this is true with the new seeds farmers will need to put less pesticides; the amount decreases
if this is false with the new seeds farmers will need to put less pesticides; the amount decreases even in a greater proportion.
The effect is the same so B is out.

C. Whether plants grown from the new genetically engineered seeds can be kept completely free of insect damage.

if this is true, this strengthens the argument
if this is false, we do not whether the current seeds are completely free of damage (in principle they are not) so no effect

D. Whether seeds genetically engineered to produce insect-resistant crops generate significantly lower per acre crop yields than do currently used seeds.

If this is true perhaps the farmers will want to continue use the current seeds because they produce greater crop per acre
if this is false the argument is strengthen because farmers will want to use the new seeds.

Correct. Two different effects

E. Whether most varieties of crops currently grown commercially have greater natural resistance to insect damage than did similar varieties
in the past.

This does not address the new seeds so is irrelevant.
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Plant scientists have been able to genetically engineer [#permalink] New post 20 Jul 2014, 04:29
Hello,
can anyone tell me,what if the ans option B says-

Whether farmers WILL apply more pesticides than required after the norm?

can this be an equally correct answer ?
please clarify my understanding.. :shock:
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Re: Plant scientists have been able to genetically engineer [#permalink] New post 25 Aug 2014, 22:15
perfectstranger wrote:
Plant scientists have been able to genetically engineer vegetable seeds
to produce crops that are highly resistant to insect damage. Although
these seeds currently cost more than conventional seeds, their cost is
likely to decline. Moreover, farmers planting them can use far less pesticide,
and most consumers prefer vegetables grown with less pesticide,
therefore, for crops for which these seeds can be developed, their use
is likely to become the norm.
which of the following would be most useful to know in evaluating the
argument above?
A. Whether plant scientists have developed insect-resistant seeds
For every crop that is currently grown commercially
B. Whether farmers typically use agricultural pesticides in larger
Amounts than is necessary to prevent crop damage.
C. Whether plants grown from the new genetically engineered seeds
Can be kept completely free of insect damage.
D. Whether seeds genetically engineered to produce insect-resistant
crops generate significantly lower per acre crop yields than do
currently used seeds.
E. Whether most varieties of crops currently grown commercially have
Greater natural resistance to insect damage than did similar varieties
in the past.
OA after explanations
Experts, kindly assist. My take is B because everything is revolving around B. I find the option as a weakner n strengthener. What is the OA ?
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Re: Plant scientists have been able to genetically engineer [#permalink] New post 25 Aug 2014, 22:48
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dshuvendu wrote:
perfectstranger wrote:
Plant scientists have been able to genetically engineer vegetable seeds
to produce crops that are highly resistant to insect damage. Although
these seeds currently cost more than conventional seeds, their cost is
likely to decline. Moreover, farmers planting them can use far less pesticide,
and most consumers prefer vegetables grown with less pesticide,
therefore, for crops for which these seeds can be developed, their use
is likely to become the norm.
which of the following would be most useful to know in evaluating the
argument above?
A. Whether plant scientists have developed insect-resistant seeds
For every crop that is currently grown commercially
B. Whether farmers typically use agricultural pesticides in larger
Amounts than is necessary to prevent crop damage.
C. Whether plants grown from the new genetically engineered seeds
Can be kept completely free of insect damage.
D. Whether seeds genetically engineered to produce insect-resistant
crops generate significantly lower per acre crop yields than do
currently used seeds.
E. Whether most varieties of crops currently grown commercially have
Greater natural resistance to insect damage than did similar varieties
in the past.
OA after explanations
Experts, kindly assist. My take is B because everything is revolving around B. I find the option as a weakner n strengthener. What is the OA ?


Hii mate,
let me try to clarify my understanding..
i had also selected B at first,then i figured out that option B says,whether farmers at present use more pesticides than required..this option doesnt give us enough proof that they will continue to use more than enough pesticides for genetically engineered seeds as well..so whether there usage currently is more than or less than required is not enough to strenghthen or weaken the arguement..On the other hand,as per D,if the farm is not providing atleast equal productivity than before,then it creates enough doubts whether use of G.engineered seeds will become a norm..OA- D


Hope that clears :)
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Re: Plant scientists have been able to genetically engineer [#permalink] New post 25 Aug 2014, 22:57
vards wrote:
dshuvendu wrote:
perfectstranger wrote:
Plant scientists have been able to genetically engineer vegetable seeds
to produce crops that are highly resistant to insect damage. Although
these seeds currently cost more than conventional seeds, their cost is
likely to decline. Moreover, farmers planting them can use far less pesticide,
and most consumers prefer vegetables grown with less pesticide,
therefore, for crops for which these seeds can be developed, their use
is likely to become the norm.
which of the following would be most useful to know in evaluating the
argument above?
A. Whether plant scientists have developed insect-resistant seeds
For every crop that is currently grown commercially
B. Whether farmers typically use agricultural pesticides in larger
Amounts than is necessary to prevent crop damage.
C. Whether plants grown from the new genetically engineered seeds
Can be kept completely free of insect damage.
D. Whether seeds genetically engineered to produce insect-resistant
crops generate significantly lower per acre crop yields than do
currently used seeds.
E. Whether most varieties of crops currently grown commercially have
Greater natural resistance to insect damage than did similar varieties
in the past.
OA after explanations
Experts, kindly assist. My take is B because everything is revolving around B. I find the option as a weakner n strengthener. What is the OA ?


Hii mate,
let me try to clarify my understanding..
i had also selected B at first,then i figured out that option B says,whether farmers at present use more pesticides than required..this option doesnt give us enough proof that they will continue to use more than enough pesticides for genetically engineered seeds as well..so whether there usage currently is more than or less than required is not enough to strenghthen or weaken the arguement..On the other hand,as per D,if the farm is not providing atleast equal productivity than before,then it creates enough doubts whether use of G.engineered seeds will become a norm..OA- D


Hope that clears :)
Please consider KUDOS if my post helped..


Yes, indeed it helped me ! But, what is more worrying is how should I avoid this in real time. The scope is narrow for questions like this :oops: :(
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Re: Plant scientists have been able to genetically engineer [#permalink] New post 25 Aug 2014, 23:38
Hii again,
Feeling good that my post helped :)

LOL..Believe me,i wanted to bang my head on table after realising that,i missed such a straight one..!making such mistakes in real exam costs plenty..!What i learned from this qstion when i solved tihs one,was that one must check the tense of answer choice as well..For matter of thought,I solved many questions after this question,and in few cases i was able to eliminate very attractive ans choice like this one,on the basis of tense error,which was used in some cases to fool us..!
So,from here on u will also keep a check on such error and rather eliminate the ans choice easily..!Therefore u will end up avoiding this trap in real time..! :-D



Cheers,
Vardhaman
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Plant scientists have been able to genetically engineer [#permalink] New post 26 Aug 2014, 00:26
Plant scientists have been able to genetically engineer vegetable seeds to produce crops that are highly resistant to insect damage.
Although these seeds currently cost more than conventional seeds, their cost is likely to decline.
Moreover, farmers planting them can use far less pesticide, and most consumers prefer vegetables grown with less pesticide,
therefore, for crops for which these seeds can be developed, their use is likely to become the norm.

Which of the following would be most useful to know in evaluating the argument above?

A. Whether plant scientists have developed insect-resistant seeds For every crop that is currently grown commercially
>> Doesn't help to confirm the conclusion.
B. Whether farmers typically use agricultural pesticides in larger Amounts than is necessary to prevent crop damage.
>> Variance Yes/No.
Both the cases doesn't help much to compare the pesticide usage with normal plants and with genetically modified plants.
C. Whether plants grown from the new genetically engineered seeds Can be kept completely free of insect damage.
>>Yes/No.
Case with "No". We don't know how much can they save. It can be 80% or 40% of total crop.So not conclusive
D. Whether seeds genetically engineered to produce insect-resistant crops generate significantly lower per acre crop yields than do currently used seeds.
>> Correct.
Case Yes: Oops then it put doubts on the conclusion that the seeds use is likely to become the norm.
Case No: Cool. Then with all the above mentioned benefits, this is another adv, which rules out a factor that can weaken the arg.
E. Whether most varieties of crops currently grown commercially have Greater natural resistance to insect damage than did similar varieties in the past.
>> Doesn't help to confirm the conclusion.
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Re: Plant scientists have been able to genetically engineer [#permalink] New post 26 Aug 2014, 01:00
vards wrote:
Hii again,
Feeling good that my post helped :)

LOL..Believe me,i wanted to bang my head on table after realising that,i missed such a straight one..!making such mistakes in real exam costs plenty..!What i learned from this qstion when i solved tihs one,was that one must check the tense of answer choice as well..For matter of thought,I solved many questions after this question,and in few cases i was able to eliminate very attractive ans choice like this one,on the basis of tense error,which was used in some cases to fool us..!
So,from here on u will also keep a check on such error and rather eliminate the ans choice easily..!Therefore u will end up avoiding this trap in real time..! :-D



Cheers,
Vardhaman


It would be great if you can share at least two questions where you applied the technique. Hope your technique goes viral ! Great to see such kind of observations and approach.
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Re: Plant scientists have been able to genetically engineer [#permalink] New post 26 Aug 2014, 02:20
Hii again,
Glad that i could be of some help..
I solved many CRs after this one,so wont really be able to sort out some..Sorry for that..But yes,if you solve quitesome questions on this forum,u will guarantedly come accross some..!jus keep watching the patterns of the answer choices.


Regards,
Vardhaman

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Re: Plant scientists have been able to genetically engineer   [#permalink] 26 Aug 2014, 02:20
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