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# Scientists have made genetic modifications to cotton to

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04 Mar 2006, 08:19
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Scientists have made genetic modifications to cotton to increase its resistance to insect pests. According to farmersâ€™ report, the amount of insecticide needed per acre to control insect pests was only slightly lower for those who tried the modified seed than for those who did not. Therefore, since the modified seed costs more than ordinary seed without producing yields of higher market value, switching to the modified seed would be unlikely to benefit most cotton farmers economically.

Which of the following would it be most useful to know in order to evaluate the argument?

A. Whether farmers who tried the modified cotton seed had ever tried growing other crops from genetically modified seed

B. Whether the insecticides typically used on ordinary cotton tend to be more expensive than insecticides typically used on other crops

C. Whether for most farmers who grow cotton it is their primary crop

D. Whether the farmers who have tried the modified seed planted as many acres of cotton, on average, as farmers using the ordinary seed did

E. Whether most of the farmers who tried the modified seed did so because they had previously had to use exceptionally large quantities of insecticide
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04 Mar 2006, 10:08
^ D ^ is my choice.
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04 Mar 2006, 10:14
Is it B?

The "amount of pesticide" per acre is the similar but what about the COST of pesticide.

I think D is out because the argument already compares "amount per acre" so number of acres is not as important as the COST.
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04 Mar 2006, 13:42
selene wrote:
^ D ^ is my choice.

D is correct. if the modified seed is used in large number of acres of land, then using modified seed save a lot. this what the passage is trying to reach.
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04 Mar 2006, 20:17
Agree with D.
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05 Mar 2006, 09:37
IMO it should be C)
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05 Mar 2006, 10:06
Let me introduce another choice here!
My vote is for E and here is the logic:

A. no basis for comparison between cotton and other crops
B. Even if the insecticides are more costly for ordinary cotton than other crops, the same insecticides are used for modified cotton as well.
C. How does it matter? Besides no basis for comparison
D. Though might seem logical, it is only a percentage always. You cannot compare apples to oranges.
E. The argument is comparing the yield using the modified seeds(A) to concurrent yields without using the modified seeds(B). Therefore, there is no information on how much insecticides were used in A before using modified seeds, which might be significant. MY CHOICE!!!
Hope the explanation is clear! If it is not, I'll try again!
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05 Mar 2006, 10:41
I'm going with the D camp.

vivek, yennaiyya sakkat questions kodataiddiya iwattu !!
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05 Mar 2006, 14:10
shahnandan wrote:
vivek, yennaiyya sakkat questions kodataiddiya iwattu !!

kudumududududududududududud.......
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05 Mar 2006, 21:25
unlikely to benefit most cotton farmers economically.

As the matter discusses only Cotton farmers we can eliminate A, B, C
E is eliminated as it would be the same case as farmers who have not used genetically modified seeds. Thus, will not help in argument.

If its proved that more crops were grown per acre for the genetically modified seeds than not modified seeds, then it will be economically viable for the cotton farmers.
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05 Mar 2006, 22:17
Professor wrote:
shahnandan wrote:
vivek, yennaiyya sakkat questions kodataiddiya iwattu !!

kudumududududududududududud.......

The OA for this is "B". Girish cracked it.

This is very tough CR. Very difficult to digest that "B" is the answer!
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06 Mar 2006, 12:49
hmmm... that means "other crops" also includes the modified cotton crop, huh?
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