Deck 14: Starchy Staples

Question 1

The darkened ring found in some potato chips is the

A)periderm.
B)cortex.
C)pith.
D)vascular tissue.

Answer 1

D

Question 2

What is one of the disadvantages to planting potato tubers instead of potato seeds?

A)increased genetic variability results
B)yield is far less
C)greater susceptibility to disease
D)it is more labor intensive

Answer 2

C

Question 3

The two most consumed starchy staples are potatoes and

A)sweet potatoes.
B)taro.
C)cassava.
D)yams.
E)Jerusalem artichokE.

Answer 3

C

Question 4

This plant is a bushy,herbaceous annual dicot with a many-seeded fruit and two types of stems.This plant is

A)Ipomoea batatas
B)Manihot esculenta
C)Colocasia esculenta
D)Solanum tuberosum
E)Dioscorea cayenensis

Question 5

Phytopthtora infestans is the scientific name of

A)a tall shrub wither tuberous roots similar to sweet potato.
B)cassava.
C)taro.
D)the pathogen that causes late blight.
E)the pathogen that causes rickets.

Question 6

Which of the following is not true about the Irish Famine?

A)The English government did all it could to mitigate the suffering of the Irish people.
B)While potatoes crops were decimated by late blight,cereal crops were unaffected.
C)More than a million Irish left Ireland;most went to the United States.
D)The Penal Laws made it more difficult for Irish Catholics to succeed as land-owners.
E)One response to the Poor Law Extension Act was the eviction of Irish tenants from their homes.

Question 7

Potato tubers that are planted must contain at least one

A)seed.
B)bud.
C)root.
D)flower.

Question 8

Strawberry propagates asexually by

A)tubers.
B)rhizomes.
C)stolons.
D)corms.
E)bulbs.

Question 9

Which of the following is not one of the major potato producing states in the United States?

A)Maine
B)California
C)Washington
D)Idaho

Question 10

Which of the following is not a true statement about potatoes?

A)the greatest diversity of Solanum species is in Peru
B)the Colorado potato beetle is a serious potato pest
C)potatoes are a good source of vitamin B and C
D)no Solanum species are resistant to late blight
E)much of the nutritional value of at potato is in the periderm

Question 11

Onions propagate asexually by

A)tubers.
B)rhizomes.
C)stolons.
D)corms.
E)bulbs.

Question 12

The potato was initially rejected as food in Europe because it was thought to be

A)poisonous.
B)hallucinogenic.
C)a cause of leprosy.
D)a cause of rickets.
E)all of thesE.

Question 13

What is chuno?

A)an alcoholic drink made from cassava
B)a type of fried sweet potato common in Mexico
C)a freeze-dried dehydrated potato prepared by Peruvian Indians
D)an essential ingredient of Poi,a traditional dish of native Hawaiians
E)a dish similar to mashed potatoes but made from taro

Question 14

How do tuberous roots differ from taproots?

A)tuberous roots do not store starch
B)tuberous roots develop from fibrous roots
C)tuberous roots are not edible
D)plants from tuberous roots are dicots

Question 15

Which of the following tissues makes up most of a potato tuber?

A)the pith
B)vascular tissue
C)the cortex
D)the periderm

Question 16

The Irish Famine was made worse because

A)the potatoes planted were genetically identical.
B)the English government was unsympathetic to the plight of the Irish.
C)potatoes were practically the entire diet of the Irish poor.
D)there was widespread suppression of Catholics.
E)of all of these factors made the Irish Famine worsE.

Question 17

Potatoes propagate asexually by

A)tubers.
B)rhizomes.
C)stolons.
D)corms.
E)bulbs.

Question 18

Horizontal,underground stems are

A)tubers.
B)rhizomes.
C)stolons.
D)corms.
E)bulbs.

Question 19

Solanum tuberosum were first domesticated in

A)Ireland.
B)Chile.
C)Peru.
D)Mexico.
E)Idaho.

Question 20

How do corms differ from bulbs?

A)corms store starch in their stems
B)corms produce fruits
C)corms are all inedible
D)corms can multiply forming cormlets
E)all of these are ways in which corms differ from bulbs

Question 21

The continent to which sweet potatoes are native is Africa.

Question 22

Which of the following is a corm that is steamed,crushed,and fermented to make poi?

A)cassava
B)yam
C)sweet potato
D)taro

Question 23

The major disadvantage of cassava as a dietary staple is that it is very low in carbohydrates

Question 24

Modified stems which grow horizontally underground and function in vegetative reproduction are called _stolons_______.

Question 25

While originating is South America,cassava has become a major staple in

A)AfricA.
B)North America.
C)China.
D)Europe.
E)Australia.

Question 26

This misnamed staple was once known as sun root,does not contain starch,and is a weedy perennial in the sunflower family.This staple is

A)potato.
B)taro.
C)cassava.
D)yam.
E)Jerusalem artichokE.

Question 27

The sweet potato is a:

A)rhizome
B)stolon
C)root
D)tuber
E)corm

Question 28

Which of the following is true about sweet potatoes?

A)It was introduced into Spain by Columbus.
B)Its original name was batata.
C)It was originally cultivated in Peru.
D)It is a type of yam.
E)all of these statements are true about sweet potatoes.

Question 29

The most damaging pathogen of cassava is

A)Phythothora infestans.
B)Bacillus thuringiensis.
C)tobacco mosaic virus.
D)cassava mosaic virus.
E)more than one of these is equally devastating.

Question 30

Cassava comes in two forms: bitter and sweet.The sweet form contains high concentrations of hydrocyanide acid

Question 31

The source of tapioca pearls is the moist flour obtained from the ______ root.

A)Colocasia
B)Manihot
C)Dioscorea
D)Ipomea
E)Solanum

Question 32

The best potato variety for baking is

A)Superior
B)Red LaSoda
C)Katahdin
D)Norland
E)Russet

Question 33

All of the following species are correctly matched with its common name except one.Choose the exception.

A)Solanum tuberosum - potato
B)Manihot esculenta - cassava
C)Ipomoea batatas - sweet potato
D)Colocasia esculenta - yam
E)Helianthus tuberosus - Jerusalem artichoke

Question 34

This starchy staple grows from a tall shrub with palmately compound leaves,large tuberous roots,and can be cultivated from seeds.This starchy staple is

A)Ipomoea batatas
B)Manihot esculenta
C)Colocasia esculenta
D)Solanum tuberosum
E)Dioscorea cayenensis

Question 35

Which of the following staples is not matched correctly with its family?

A)Solanum tuberosum - nightshade
B)Manihot esculenta - spurge
C)Ipomoea batatas - yam
D)Colocasia esculenta - arum
E)Helianthus tuberosus - Jerusalem artichoke

Question 36

Inulin is a polymer of

A)glucose.
B)fructose.
C)sucrose.
D)maltose.
E)starch.

Question 37

This starchy staple is a storage root that grows as a vine and requires a long warm growing season.This starchy staple is

A)potato.
B)taro.
C)cassava.
D)yam.
E)sweet potato.

Question 38

Which starchy staple is a source of diosgenin,shown to inhibit ovulation in women?

A)yam
B)manioc
C)sweet potato
D)white potato
E)banana

Question 39

Helianthus tuberosus is native to

A)North AmericA.
B)South America.
C)Africa.
D)Asia.
E)Polynesia.

Question 40

Which of the following is not true about Manihot esculenta?

A)It grows well in nutrient-poor soils.
B)Nigeria is one of the leading producers of this starchy staple.
C)It cannot tolerate dry periods with no rainfall.
D)It can be cultivated from seeD.
E)It is resistant to locust infestations.

Question 41

_______ is the component of starch that is relatively soluble in water.

Question 42

The starchy staple which grows as a corm is _______.

Question 43

_______ is in high demand because it is sweeter and less inexpensive to process than sucrose.

Question 44

_______ is a a tuberous root native to South America.

Question 45

Grating and other methods of processing cassava are necessary to remove the toxin _________.

Question 46

_______ is the major component of starch comprising about ______ percent of this molecule.

Question 47

The scientific name of the plant family containing white potato is Solanaceae

Question 48

_______ is the component of starch that is a highly branched molecule.

Question 49

Yams are an important source of _______ used to make human sex hormones and cortisone.