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Maize contains the vitamin niacin, but not in a form the

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Maize contains the vitamin niacin, but not in a form the [#permalink] New post 06 Feb 2005, 03:03
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Maize contains the vitamin niacin, but not in a form the body can absorb. Pellagra is a disease that results from niacin deficiency. When maize was introduced into southern Europe from the Americas in the eighteenth century, it quickly became a dietary staple, and many Europeans who came to subsist primarily on maize developed pellagra.
Pellagra was virtually unknown at that time in the Americas, however, even among people who subsisted primarily on maize.

Which of the following, if true, most helps to explain the contrasting incidence of pellagra described above?

A. Once introduced into southern Europe, maize became popular with landowners because of its high yields relative to other cereal crops.
B. Maize grown in the Americas contained more niacin than maize grown in Europe did.
C. Traditional ways of preparing maize in the Americas convert maize’s niacin into a nutritionally useful form.
D. In southern Europe many of the people who consumed maize also ate niacin-rich foods.
E. Before the discovery of pellagra’s link with niacin, it was widely believed that the disease was an infection that could be transmitted from person to person
[Reveal] Spoiler: OA
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Re: CR0516--Maize [#permalink] New post 06 Feb 2005, 06:27
[C].
A and E are totally out of scope and B and D are irrelavant...... ........
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 [#permalink] New post 06 Feb 2005, 07:28
I think it's between (B) and (C)
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 [#permalink] New post 06 Feb 2005, 17:30
(C)

Americans subsisted on Maize, still Pellagra was not common.
Europeans subsisted on Maize, but Pellagra was common.

Stem also says..
Maize contains the vitamin niacin, but not in a form the body can absorb.

Definitely there was something different in the way they were eating/preparing Maize.

(C) corectly fills this gap.
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 [#permalink] New post 07 Feb 2005, 16:53
I think (C) brings in the difference between the two countries.
This difference probably explains the end result.
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Re: Maize contains the vitamin niacin, but not in a form the [#permalink] New post 08 Oct 2014, 20:27
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Maize contains the vitamin niacin, but not in a form the [#permalink] New post 09 Oct 2014, 07:52
Hello!
We like to call these questions "resolve the paradox" questions.
Typically the stimulus will discuss an apparent paradox (a scenario where the X causes / leads to the converse of what SHOULD have happened). You are expected to pick an option that explains how this inconsistency could have happened.

In this questions the inconsistency is that In Europe when Maize became staple - Pellagra was caused.
But in Americas, in which Maize is also a staple - pellagra is unknown (no cases of pellagra).

We also know that Maize doesn't have niacin in a form that the body can absorb.
The correct answer will explain why pellagra wasn't caused in Americas while it was caused in Europe.

Let's look at the options:

A. Talks about why Maize became popular in Europe - doesn't help explain the inconsistency. - ELIMINATE
B. We know that niacin in Maize is in a form that cannot be absorbed by the body, that there is more niacin has no relevance. - ELIMINATE
C. YES - this could explain why americas could have avoided niacin deficiency.
D. This doesn't help - if Europeans ate niacin rich food apart from Maize - why then did they get pellagra? ELIMINATE
E. Early BELIEF of what caused pellagra has no bearing on why the inconsistency exists - ELIMINATE


Hope that helps! :)

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Maize contains the vitamin niacin, but not in a form the [#permalink] New post 10 Oct 2014, 03:16
chunjuwu wrote:
Maize contains the vitamin niacin, but not in a form the body can absorb. Pellagra is a disease that results from niacin deficiency. When maize was introduced into southern Europe from the Americas in the eighteenth century, it quickly became a dietary staple, and many Europeans who came to subsist primarily on maize developed pellagra.
Pellagra was virtually unknown at that time in the Americas, however, even among people who subsisted primarily on maize.

Which of the following, if true, most helps to explain the contrasting incidence of pellagra described above?


Premise 1 : Maize contains the vitamin niacin, but not in a form the body can absorb. Pellagra is a disease that results from niacin deficiency
Premise 2 : For Europeans , Pellagra became a dietary staple, and many Europeans who came to subsist primarily on maize developed pellagra.
Premise 3 : Pellagra was virtually unknown at that time in the Americas, however, even among people who subsisted primarily on maize.


C. Traditional ways of preparing maize in the Americas convert maize’s niacin into a nutritionally useful form.
For me C is too generic i.e it is converted to nutritionally useful form.There are many ways a particular thing can be called nutritional such as high protien,low cholestrol etc. Assuming that nutritional means it helps in absorbing vitamin is not

E. Before the discovery of pellagra’s link with niacin, it was widely believed that the disease was an infection that could be transmitted from person to person
This in fact gives an alternative that the disease was present but in fact it was not considered to be related to pellagraa

Can somebody please give me any thoughts on this ?
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Maize contains the vitamin niacin, but not in a form the   [#permalink] 10 Oct 2014, 03:16
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