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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 14 Aug 2009, 13:38
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A
B
C
D
E

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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.
Answer: d....pls explain how
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Re: Plant scientists [#permalink] New post 14 Aug 2009, 14:06
Is it B ?
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Re: Plant scientists [#permalink] New post 14 Aug 2009, 16:34
I can not take credit of answering this question
you can check the explanation here

http://www.urch.com/forums/gmat-critica ... ion-3.html
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Re: Plant scientists [#permalink] New post 15 Aug 2009, 03:50
ichha148 wrote:
I can not take credit of answering this question
you can check the explanation here

http://www.urch.com/forums/gmat-critica ... ion-3.html



thanks ichha148............ Great discussion...
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Re: Plant scientists [#permalink] New post 19 Aug 2009, 07:23
rohansherry 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-OUT SINCE THE CONCLUSION STATES THAT ''for crops for which these seeds can be developed''
B. Whether farmers typically use agricultural pesticides in larger
Amounts than is necessary to prevent crop damage.-IRREVELANT TO THE DISCUSSION THESE NEW GENETICAL SEEDS DO NOT NEED PESTICIDE OUT-
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.- CORRECT SINCE THE ECONOMICAL BENEFIT HAS BEEN DISCUSSED IN THE PARAGRAPH 1) The seeds cost more now but they will decrease 2) Consumers prefer non-pesticide seeds 3)They need less pesticide to grow all these are economically linked each other. SO WHAT WILL DECIDE WHETHER OR NOT THAT SEED WILL BE THE NORM IS ITS YIELD.
E. Whether most varieties of crops currently grown commercially have
Greater natural resistance to insect damage than did similar varieties
in the past.- IRREVELANT TO THE DISCUSSION WE DO NOT CARE WITH PAST OR SIMILIAR VARITIES WE JUST CARE ABOUT ECONOMIC BENEFITS
Answer: d....pls explain how

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Re: Plant scientists   [#permalink] 19 Aug 2009, 07:23
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