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# Pasteurization of milk is a process by which milk is heated

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Pasteurization of milk is a process by which milk is heated  [#permalink]

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19 Mar 2011, 12:08
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Difficulty:

85% (hard)

Question Stats:

52% (02:17) correct 48% (02:42) wrong based on 513 sessions

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Pasteurization of milk is a process by which milk is heated to a certain temperature and then rapidly cooled, killing pathogens and increasing the milk's shelf life. Recently pasteurization has come under fire because it has been found that during pasteurization many helpful digestive enzymes are destroyed, and many dangerous pathogens, including the MAP bacterial strain, which is linked to Crohn’s disease, are not. Because of this, some people have started drinking ‘raw milk’ milk, which is not pasteurized or otherwise processed. Proponents of pasteurization point out that that pasteurization is still necessary to reduce bacterial contamination, and that heating milk at home also kills beneficial digestive enzymes. Raw milk drinkers argue that this argument is beside the point, since most people who drink milk do not heat it first, or else misleading, since

Which of the following best completes the passage?

A) Many of the proponents of pasteurization are dairy farmers who rely on the increased shelf life of pasteurized milk to
ship their product farther away.
B) It is clear that killing pathogens that may be present in milk is not the only effect of pasteurization.
C) Cooked milk is generally heated to a higher temperature than pasteurized milk is.
D) If milk subject to both processes destroys more digestive enzymes than either process alone, the claim is misleading.
E) Pasteurization serves to ensure a longer shelf life for milk, while heating milk is usually the final step in its preparation.
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18 Jun 2011, 03:39
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Pasteurization of milk is a process by which milk is heated to a certain temperature and then rapidly cooled, killing pathogens and increasing the milk's shelf life. Recently pasteurization has come under fire because it has been found that during pasteurization many helpful digestive enzymes are destroyed, and many dangerous pathogens, including the MAP bacterial strain, which is linked to Crohn’s disease, are not. Because of this, some people have started drinking ‘raw milk’ milk, which is not pasteurized or otherwise processed. Proponents of pasteurization point out that that pasteurization is still necessary to reduce bacterial contamination, and that heating milk at home also kills beneficial digestive enzymes. Raw milk drinkers argue that this argument is beside the point, since most people who drink milk do not heat it first, or else misleading, since ___________________.

Which of the following best completes the passage?

A)Many of the proponents of pasteurization are dairy farmers who rely on the increased shelf life of pasteurized milk to ship their product farther away.
B)It is clear that killing pathogens that may be present in milk is not the only effect of pasteurization.
C)Cooked milk is generally heated to a higher temperature than pasteurized milk is.
D)milk that is subjected to both processes loses even more of the helpful digestive enzymes than milk subjected to either process alone.
E)Pasteurization serves to ensure a longer shelf life for milk, while heating milk is usually the final step in its preparation.

Source: Grockit
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Re: CR - Pasteurization of milk  [#permalink]

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19 Mar 2011, 20:13
We need to provide a premise to support why Raw milk Drinkers think proponent's claim is misleading.
If you look carefully into the argument "proponents point out that that pasteurization is just necessary to reduce bacterial contamination and ignores the fact that pasteurization can Kill beneficial digestive enzymes" (Proponents of pasteurization point out that that pasteurization is still necessary to reduce bacterial contamination,) .Thus the proponents argument could be misleading coz it fails to consider the combined effect (effect of pasteurization + heating milk at home on beneficial digestive enzymes). Thus D
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Re: CR - Pasteurization of milk  [#permalink]

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20 Mar 2011, 02:46
I agree, the proponents are simply trying to sidestep the issue that pasteurization can affect beneficial digestive enzymes.
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Re: 700 level CR question  [#permalink]

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21 Jun 2011, 08:27
D for me.

The clue is the last sentence..

"Raw milk drinkers argue that this argument is beside the point, since most people who drink milk do not heat it first, or else misleading, since...

Only choice D is logical.

Choice A is tempting but is totally out of context. C and E are irrelevant. B does not follow logically given the present context.
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Re: 700 level CR question  [#permalink]

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26 Apr 2014, 09:17
l0rrie wrote:
+1 D

thi
this one is tricky can u please elaborate
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Re: Pasteurization of milk is a process by which milk is heated  [#permalink]

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27 Apr 2014, 10:19
I cant agree with "D" because the argument doesnt talk about "2 processes" at all.

Raw milk drinkers consume the milk as-is - without heating. Since that's the case, there's never a scenario where raw-milk drinkers use "either process alone" - hence wont be put forth as an argument.
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Re: Pasteurization of milk is a process by which milk is heated  [#permalink]

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16 Jan 2015, 08:47
D IMO as the incomplete portion is looking to fill in an argument which talks about the digestive enzymes
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Re: Pasteurization of milk is a process by which milk is heated  [#permalink]

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05 Dec 2015, 22:29
was able to get to B vs. D but didn't understand the 'two processes' comparison.
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Re: Pasteurization of milk is a process by which milk is heated  [#permalink]

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06 Dec 2015, 21:42
dina98 wrote:
was able to get to B vs. D but didn't understand the 'two processes' comparison.

Can you elaborate a bit on where your confusion lies?
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Re: Pasteurization of milk is a process by which milk is heated  [#permalink]

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06 Dec 2015, 22:05
souvik101990 wrote:
dina98 wrote:
was able to get to B vs. D but didn't understand the 'two processes' comparison.

Can you elaborate a bit on where your confusion lies?

So when they say "milk that is subjected to both processes loses even more" - why is this scenario considered?

Proponents of pasteurization are not talking about milk being subjected to both processes.
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Re: Pasteurization of milk is a process by which milk is heated  [#permalink]

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06 Dec 2015, 22:41
Is it that 'both the processes' in D refers to Pasteurization, in which milk is heated to a certain temperature and then rapidly cooled?? Some body pls help.
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Re: Pasteurization of milk is a process by which milk is heated  [#permalink]

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14 Mar 2016, 11:55
jeffjose wrote:
I cant agree with "D" because the argument doesnt talk about "2 processes" at all.

Raw milk drinkers consume the milk as-is - without heating. Since that's the case, there's never a scenario where raw-milk drinkers use "either process alone" - hence wont be put forth as an argument.

In my opinion, D is correct because -
1. MOST people who drink milk do not heat at home, so they will not be killing digestive enzymes by heating. This addresses the "beside the point" part of argument.
2. For the SOME people who DO heat milk (because MOST is not = ALL), will be subjecting the milk to 2 processes - pasteurization and heating at home having a dual effect. So, they would rather drink it raw and heat it once. This addresses the "else misleading part" and completes the sentence.
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13 Sep 2016, 13:48
D) Digestive enzymes will be killed during pasteurisation, but never said that when the pasteurisation mil heated still looses some more healthy elements.

B) It clearly says Pasteurisation does not only kill pathogens, it do other tasks like killing digestive enzymes.

B can be inferred, but D is far of from inference and need to add more to get to D.

IMO B should be the answer.
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Re: Pasteurization of milk is a process by which milk is heated  [#permalink]

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12 Mar 2017, 07:37
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I think the question is very cleverly modeled on the lines of "irradiation of food" question from official guide.
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Re: Pasteurization of milk is a process by which milk is heated  [#permalink]

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25 Dec 2017, 06:12
jeffjose wrote:
I cant agree with "D" because the argument doesnt talk about "2 processes" at all.

Raw milk drinkers consume the milk as-is - without heating. Since that's the case, there's never a scenario where raw-milk drinkers use "either process alone" - hence wont be put forth as an argument.

Hi JeffJose.

That was my initial thought as well. But look closely at the following sentence from the passage:-

Proponents of pasteurization point out that that pasteurization is still necessary to reduce bacterial contamination, and that heating milk at home also kills beneficial digestive enzymes.

I think the two processes implied here are pasteurization and heating milk at home.

D
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Re: Pasteurization of milk is a process by which milk is heated  [#permalink]

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25 Dec 2017, 06:13
warriorguy wrote:
I think the question is very cleverly modeled on the lines of "irradiation of food" question from official guide.

You're right. Slight variation though. But the pattern is pretty similar.
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Re: Pasteurization of milk is a process by which milk is heated  [#permalink]

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28 Jan 2018, 09:14
Experts Mahmud6 mikemcgarry GMATNinja please explain this question........I am not able to understand this question at all
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Pasteurization of milk is a process by which milk is heated  [#permalink]

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30 Jan 2018, 00:13
vasuca10 wrote:
Experts Mahmud6 mikemcgarry GMATNinja please explain this question........I am not able to understand this question at all

Proponents of pasteurization point out
1. Pasteurization (heating and cooling) is necessary as it reduce bacterial contamination
2. Heating milk at home also kills beneficial digestive enzymes.

Raw milk drinkers argue that this (proponents of pasteurization) argument is
1. Beside the point, i.e., heating is not necessary. How does argument of proponents of pasteurization beside the point of raw milk drinkers? It is beside the point in a way that proponents of pasteurization are saying that heating milk at home also kills beneficial digestive enzymes, but raw milk dinkers are not heating milk at home. So, beneficial digestive enzymes are not killed by raw milk drinkers.

2. Misleading. How does argument of proponents of pasteurization mislead the point of raw milk drinkers? It is misleading in a way that if milk is heated twice, it would destroy more digestive enzymes than either process alone destroys.

A similar question has been discussed here.
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Re: Pasteurization of milk is a process by which milk is heated  [#permalink]

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15 Feb 2019, 02:34
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Re: Pasteurization of milk is a process by which milk is heated   [#permalink] 15 Feb 2019, 02:34
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