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The irradiation of food kills bacteria and thus retards

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The irradiation of food kills bacteria and thus retards [#permalink] New post 23 Aug 2009, 14:04
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The irradiation of food kills bacteria and thus retards spoilage. However, it also lowers the nutritional value of many foods. For example, irradiation destroys a significant percentage of whatever vitamin B1 a food may contain. Proponents of irradiation point out that irradiation is no worse in this respect than cooking. However, this fact is either beside the point, since much irradiated food is eaten raw, or else misleading, since _______.

Which of the following most logically completes the argument?

A. many of the proponents of irradiation are food distributors who gain from food’s having a longer shelf life
B. it is clear that killing bacteria that may be present on food is not the only effect that irradiation has
C. cooking is usually the final step in preparing food for consumption, whereas irradiation serves to ensure a longer shelf life for perishable foods
D. certain kinds of cooking are, in fact, even more destructive of vitamin B1 than carefully controlled irradiation is
E. for food that is both irradiated and cooked, the reduction of vitamin B1 associated with either process individually is compounded
[Reveal] Spoiler: OA
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Re: CR: Irradiation [#permalink] New post 24 Aug 2009, 00:42
IMO D

Not A becuase the paragraph is about irradiation and not proponents.

Not B because the last statement is trying to underline the fact that irradiation doesn't really matter whereas, B brings forth more negative aspects of irradiation.

Not C - Same as above but in this case, C mentions a positive fact about irradiation

D because this point states the irradiation is the lesser of two evils.

Not E bacause it's not about both irrdiation and cooking together but about either irradiation or cooking

Hope I'm not wrong :)
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Re: CR: Irradiation [#permalink] New post 24 Aug 2009, 01:00
IMO C
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Re: CR: Irradiation [#permalink] New post 24 Aug 2009, 02:53
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here there is a need to prove that argument "irradiation is no worse in this respect than cooking" is misleading.

3 foods: (there could be more but that would be out of scope)

radiated + not cooked(raw) - covered in "this fact is either beside the point, since much irradiated food is eaten raw"
only cooked - (not relevant I think in this context, as effect of radiation can't be estimated or compared.
radiated + cooking - This is the one we need to look into as in option E.
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Re: CR: Irradiation [#permalink] New post 24 Aug 2009, 06:45
IMO C

It completes the argument because it shows why the statement is misleading. Cooking and irradiation are separate processes that are not used for the same purpose.

Any OA for this?
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Re: CR: Irradiation [#permalink] New post 24 Aug 2009, 10:06
IMO C

However, indicates a dispute to the fact "irradiation is no worse in this respect than cooking"
We need to weaken the argument.

A - not relevant to facts
B - elimination of bacteria seems to be the only reason of irradiation
D - strengthens the argument
E - about both cooking and irradiation neither weakens or strengthens.

C - weakens the argument by showing the two processes are not comparable (apples and oranges)
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Re: CR: Irradiation [#permalink] New post 24 Aug 2009, 17:21
hard one between C and E, picked E because:

A. many of the proponents of irradiation are food distributors who gain from food’s having a longer shelf life
B. it is clear that killing bacteria that may be present on food is not the only effect that irradiation has
C. cooking is usually the final step in preparing food for consumption, whereas irradiation serves to ensure a longer shelf life for perishable foods -only says cooking is last step where as irradiation is to ensure longer shelf life, but DOES NOT suggest anything might be related or not related......only facts that are not connected at all....close but not the answer
D. certain kinds of cooking are, in fact, even more destructive of vitamin B1 than carefully controlled irradiation is
E. for food that is both irradiated and cooked, the reduction of vitamin B1 associated with either process individually is compounded - Picking E because the passage says it as if irradiated food's vitamin B1 value can't be lowered further...which is totally untrue. thus E.
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Re: CR: Irradiation [#permalink] New post 25 Aug 2009, 07:19
well this is the third time i m doing this and this time its definately D for me.......PLs share the OA
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Re: CR: Irradiation [#permalink] New post 25 Aug 2009, 07:36
I scanned through the OG 12 Book and found it

Q 99 - OA is E

Does a poor job of explaining why.
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Re: CR: Irradiation [#permalink] New post 25 Aug 2009, 07:48
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God Save us!!!!! Dont give this type of ques in Gmat
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Re: CR: Irradiation [#permalink] New post 25 Aug 2009, 17:03
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Which of the following most logically completes the argument?

The irradiation of food kills bacteria and thus retards spoilage. However, it also lowers the nutritional value of many foods. For example, irradiation destroys a significant percentage of whatever vitamin B1 a food may contain. Proponents of irradiation point out that irradiation is no worse in this respect than cooking. However, this fact is either beside the point, since much irradiated food is eaten raw, or else misleading, since _______.

A. many of the proponents of irradiation are food distributors who gain from food’s having a longer shelf life
B. it is clear that killing bacteria that may be present on food is not the only effect that irradiation has
C. cooking is usually the final step in preparing food for consumption, whereas irradiation serves to ensure a longer shelf life for perishable foods
D. certain kinds of cooking are, in fact, even more destructive of vitamin B1 than carefully controlled irradiation is
E. for food that is both irradiated and cooked, the reduction of vitamin B1 associated with either process individually is compounded

IMO - E

We need to complete the last senetnce is - "However, this fact is either beside the point, since much irradiated food is ten raw, or else misleading, since _______."


What is the Fact here? Fact is Irriadiation is no worse than cooking. Cooking destroys the Vitamin B1. Irriadiation also destroys VB1. Conslusion made is Irriadation is no worse than cooking. By taking this conclusion a customer should think that if irriadation is done then there is NO issue and customer should buy irridiated food.

So as per the last sentence if irridiated food is eaten Raw then it will have less VB1 but it is still ok because after cooking also some VB is reduced. So if you eat raw irridated food then it is fine, OTHERWISE you are misleaded because after cooking you have VB1 reduced by irridiated and VB2 recuded by cooking. So irridation is making food more worse after cooking.
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Re: CR: Irradiation [#permalink] New post 28 Aug 2009, 05:46
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Don't overlook the word "misleading". The stimulus says that irradiation does not deplete the food of Vit B1 anymore than what cooking does. Okay, but what if the irradiated food is supposed to be cooked and not eaten raw? E says that depletion of Vit. B1 increases as the effect of irradiation and cooking on Vit B1 is additive. This implies that irradiation of food that needs to be cooked makes Vit B1 lower than just irradiated food or just cooked food. So, irradiating certain kinds of foods could make matters worse for Vit B1.
Hence, E it is.
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Re: CR: Irradiation [#permalink] New post 29 Aug 2009, 10:23
Thanks for the reply post. The OA is indeed E.
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Re: CR: Irradiation [#permalink] New post 30 Aug 2009, 19:11
rkassal wrote:
Don't overlook the word "misleading". The stimulus says that irradiation does not deplete the food of Vit B1 anymore than what cooking does. Okay, but what if the irradiated food is supposed to be cooked and not eaten raw? E says that depletion of Vit. B1 increases as the effect of irradiation and cooking on Vit B1 is additive. This implies that irradiation of food that needs to be cooked makes Vit B1 lower than just irradiated food or just cooked food. So, irradiating certain kinds of foods could make matters worse for Vit B1.
Hence, E it is.


Great explanation rkassal! This is a difficult one!
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Re: CR: Irradiation [#permalink] New post 24 Sep 2009, 20:54
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I got E on my first try.

D is wrong because it actually supports the proponent of irradiation. The author is trying to say that the proponents are giving misleading info.

C is weak, but I understand why people chose it.

E completes the line of logic. For food which is not cooked, such as apples, what excuse do they have to kill the vitamins with irradiation. For food that is cooked, the problem is that you're double-tasing the vitamins...
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Re: CR: Irradiation [#permalink] New post 26 Sep 2009, 03:16
I remember this question, I got it right. The answer is E.
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Re: CR: Irradiation [#permalink] New post 28 Sep 2009, 23:13
E
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Re: CR: Irradiation [#permalink] New post 15 May 2010, 03:09
Jesus,

This is from Alpha centuary and based on 4th dimension.
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Re: CR: Irradiation [#permalink] New post 05 Jan 2011, 16:33
not an easy one
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Re: CR: Irradiation [#permalink] New post 16 Jan 2011, 06:46
TriColor wrote:
Please, explain your answer. Thank you,
-----------------------------------------

Which of the following most logically completes the argument?

The irradiation of food kills bacteria and thus retards spoilage. However, it also lowers the nutritional value of many foods. For example, irradiation destroys a significant percentage of whatever vitamin B1 a food may contain. Proponents of irradiation point out that irradiation is no worse in this respect than cooking. However, this fact is either beside the point, since much irradiated food is eaten raw, or else misleading, since _______.

A. many of the proponents of irradiation are food distributors who gain from food’s having a longer shelf life
B. it is clear that killing bacteria that may be present on food is not the only effect that irradiation has
C. cooking is usually the final step in preparing food for consumption, whereas irradiation serves to ensure a longer shelf life for perishable foods
D. certain kinds of cooking are, in fact, even more destructive of vitamin B1 than carefully controlled irradiation is
E. for food that is both irradiated and cooked, the reduction of vitamin B1 associated with either process individually is compounded


I don't understand how the compounded reduction of vitamin B1 done by both processes makes the argument by the proponents of irradiation misleading.

Proponents point out :
Quote:
Proponents of irradiation point out that irradiation is no worse in this respect than cooking.


It might be the case that irradiation reduces B1 levels by 10 % and cooking by 50 % totaling 60 % reduction. That would mean, proponents are right. Irradiation isn't worse than cooking.
The author seems to accept the possibility that proponents would have to be implying that there is no additional reduction of vitamin B1 when products undergo both processes. In other words, the harm done by irradiation, would not be significant since cooking will do much more. Hence, their argument is misleading.

However, there are no grounds for this reasoning of the author, since arguments about both irradiated and cooked products weren't made by the proponents. Furthermore, as the author pointed out, much of the irradiated food is eaten raw, making the possibility of
Quote:
Proponents of irradiation point out that irradiation is no worse in this respect than cooking.
to be misleading quite improbable.

Gosh, I sound like a proponent of irradiation because of this question! :D
Re: CR: Irradiation   [#permalink] 16 Jan 2011, 06:46
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