Food preparation YamStudy pool, section Y1A

Subelement Y1

YAM VARIETIES AND CLASSIFICATION

Section Y1A

True yams vs sweet potatoes

Y1A01

Which botanical family contains true yams?

A.
Solanaceae
Correct Answer
B.
Dioscoreaceae
C.
Convolvulaceae
D.
Poaceae

Y1A01

This question does not yet have an explanation! Register to add one

Tags: none

Y1A02

What family does the sweet potato belong to?

A.
Dioscoreaceae
B.
Solanaceae
Correct Answer
C.
Convolvulaceae
D.
Fabaceae

Y1A02

This question does not yet have an explanation! Register to add one

Tags: none

Y1A03

What is the scientific name for the most commonly cultivated true yam species?

A.
Ipomoea batatas
B.
Solanum tuberosum
C.
Manihot esculenta
Correct Answer
D.
Dioscorea rotundata

Y1A03

This question does not yet have an explanation! Register to add one

Tags: none

Y1A04

Which of the following is a key visual characteristic that distinguishes true yams from sweet potatoes?

Correct Answer
A.
Rough, bark-like skin with white to yellow flesh
B.
Smooth, red skin with orange flesh
C.
Green skin with purple interior
D.
Blue skin with yellow interior

Y1A04

This question does not yet have an explanation! Register to add one

Tags: none

Y1A05

What is the primary difference in growth habit between true yams and sweet potatoes?

A.
Sweet potatoes grow on trees, yams grow underground
B.
Yams grow in water, sweet potatoes on land
Correct Answer
C.
Yams have a single large tuber, sweet potatoes produce multiple storage roots
D.
Yams grow primarily in temperate climates, sweet potatoes in tropical zones

Y1A05

This question does not yet have an explanation! Register to add one

Tags: none

Y1A06

What is the primary reason for confusion between sweet potatoes and yams in North America?

A.
They are genetically identical plants
Correct Answer
B.
The term "yam" was historically used for marketing orange-fleshed sweet potatoes
C.
They can cross-pollinate to create hybrids
D.
They were classified as the same species until 1985

Y1A06

This question does not yet have an explanation! Register to add one

Tags: none

Y1A07

Which characteristic best differentiates the internal texture of a true yam from a sweet potato?

A.
Sweet potatoes are always sweeter
B.
Yams are always purple inside
C.
Sweet potatoes are never starchy
Correct Answer
D.
Yams are typically drier and starchier

Y1A07

This question does not yet have an explanation! Register to add one

Tags: none

Y1A08

What nutritional difference is typically found between true yams and sweet potatoes?

Correct Answer
A.
Sweet potatoes are higher in beta-carotene
B.
Yams have no carbohydrates
C.
Sweet potatoes have no protein
D.
Yams are a significant source of vitamin C

Y1A08

This question does not yet have an explanation! Register to add one

Tags: none

Y1A09

Which of the following is a characteristic feature of all true yams but not sweet potatoes?

A.
Orange flesh
B.
Ability to be eaten raw
Correct Answer
C.
Underground tubers with annual vines
D.
High beta-carotene content

Y1A09

This question does not yet have an explanation! Register to add one

Tags: none

Y1A10

How do true yams differ from sweet potatoes in their growth cycle?

A.
Yams mature in 30 days, sweet potatoes take 120 days
Correct Answer
B.
Yams typically require a longer growing season than sweet potatoes
C.
Sweet potatoes can only be planted in spring, yams in fall
D.
Yams produce fruit above ground, sweet potatoes do not

Y1A10

This question does not yet have an explanation! Register to add one

Tags: none

Y1A11

Which statement is correct regarding the origin of true yams versus sweet potatoes?

A.
Both originated in North America
B.
Both originated in Europe
C.
Sweet potatoes originated in Africa, yams in South America
Correct Answer
D.
True yams originated primarily in Africa and Asia, sweet potatoes in the Americas

Y1A11

This question does not yet have an explanation! Register to add one

Tags: none

Log in

- or -