Food preparation YamStudy pool, section Y8A

Subelement Y8

YAM HISTORY AND CULTURE

Section Y8A

Historical significance

Y8A01

How long have yams been cultivated by humans?

A.
Since the early 20th century
B.
Approximately 500 years
Correct Answer
C.
At least 10,000 years
D.
Only since 1980

Y8A01

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Y8A02

Where did the first domestication of yams likely occur?

Correct Answer
A.
West Africa and Southeast Asia (separate domestication events)
B.
Antarctica
C.
Western Europe
D.
North American prairies

Y8A02

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Y8A03

What historical role did yams play in traditional West African societies?

A.
Decorative use only
B.
Currency only, never as food
C.
Industrial lubricant
Correct Answer
D.
Staple food and cultural symbol

Y8A03

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Y8A04

How did yams spread from their centers of origin to other parts of the world?

A.
They were carried exclusively by migratory birds
Correct Answer
B.
Through human migration, trade, and colonization
C.
They were spread only via wind dispersal
D.
They evolved independently on each continent

Y8A04

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Y8A05

What was the significance of yams in the Columbian Exchange?

A.
Yams were the only crop not transported between hemispheres
B.
Yams replaced all other food crops globally
Correct Answer
C.
Various yam species were transported between Africa, the Americas, and Asia
D.
Yams were used exclusively as ship ballast

Y8A05

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Y8A06

What historical role did yams play during the transatlantic slave trade?

Correct Answer
A.
They were brought as familiar food crops and became established in new regions
B.
They were unknown until the 20th century
C.
They were used exclusively as decoration
D.
They were considered worthless until the 1950s

Y8A06

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Y8A07

What significant technological change affected traditional yam cultivation in the 20th century?

A.
Complete replacement by synthetic yams
B.
Cultivation moved exclusively to space stations
C.
Yams began growing naturally in the ocean
Correct Answer
D.
Introduction of improved varieties and modern agricultural practices

Y8A07

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Y8A08

How were yams historically stored in West Africa before modern technologies?

A.
Always consumed immediately with no storage
Correct Answer
B.
In specially constructed yam barns
C.
Exclusively by burial in sand dunes
D.
Through vacuum sealing

Y8A08

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Y8A09

What economic role did yams historically play in traditional Pacific Island societies?

A.
They were used exclusively as weapons
B.
They were forbidden as food
Correct Answer
C.
They served as a staple food and a ceremonial crop
D.
They were used only for building materials

Y8A09

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Y8A10

What historical distribution pattern explains why different yam species are found in Africa, Asia, and the Americas?

Correct Answer
A.
Independent domestication of different wild species on different continents
B.
Extraterrestrial introduction
C.
Random quantum fluctuations
D.
They existed only in zoological gardens

Y8A10

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