Food preparation YamStudy pool, section Y1D

Subelement Y1

YAM VARIETIES AND CLASSIFICATION

Section Y1D

Heirloom and specialty varieties

Y1D01

What defines a yam variety as "heirloom"?

A.
It must be officially registered with a government agency
B.
It must be less than 10 years old
Correct Answer
C.
It has been grown for multiple generations and passed down through families
D.
It must have a specific flavor profile determined by a tasting panel

Y1D01

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Y1D02

Which specialty yam variety is prized in Japanese cuisine for its slimy texture when grated?

Correct Answer
A.
Yamaimo (Dioscorea japonica)
B.
Ube (Purple yam)
C.
Name (Dioscorea trifida)
D.
White Guinea yam

Y1D02

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Y1D03

What is "ube" in Filipino cuisine?

A.
A type of white-fleshed yam
Correct Answer
B.
A purple-fleshed yam used in desserts
C.
A green-skinned sweet potato
D.
A potato-yam hybrid

Y1D03

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Y1D04

Which heirloom yam variety is traditionally cultivated in the Pacific Islands and has significant cultural importance?

A.
Dioscorea dumetorum
B.
Dioscorea cayennensis
C.
Dioscorea rotundata
Correct Answer
D.
Dioscorea nummularia

Y1D04

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Y1D05

What characteristic makes the Cush-Cush yam (Dioscorea trifida) a specialty variety?

A.
It grows only at elevations above 5,000 feet
B.
It can be harvested after only 30 days
Correct Answer
C.
Its fine texture and exceptional flavor
D.
Its blue-colored skin and flesh

Y1D05

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Y1D06

Which heirloom yam variety is known for its resistance to yam mosaic virus?

Correct Answer
A.
Certain cultivars of Dioscorea rotundata
B.
All varieties of Dioscorea alata
C.
Only Dioscorea dumetorum
D.
All cultivars of Dioscorea bulbifera

Y1D06

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Y1D07

What distinguishes "old-fashioned" yam varieties from modern commercial cultivars?

A.
Old varieties are always smaller
Correct Answer
B.
Traditional varieties often have more diversity in flavor and texture
C.
Heirloom varieties contain no starch
D.
Old varieties cannot be stored for more than one week

Y1D07

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Y1D08

Which specialty yam variety contains naturally occurring anthocyanins that give it a distinctive color?

A.
White Guinea yam
B.
Yellow Guinea yam
C.
Chinese yam
Correct Answer
D.
Purple water yam

Y1D08

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