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Crops > Chapter 21 > Flashcards

Chapter 21 Flashcards

1
Q

Other plant families besides the grass and legume families can have crops of economic importance

A

True

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2
Q

Potatoes grow best in heavy clay soils

A

False

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3
Q

Tobacco crops are generally not allowed to flower and produce seed

A

True

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4
Q

The use of tobacco in its many forms can cause health problems such as lung cancer, heart disease, emphysema and mouth cancer

A

True

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5
Q

Sweet potatoes can be grown as perennials in tropical areas

A

True

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6
Q

True yams have modified roots like sweet potatoes

A

True

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7
Q

Sugar beets contain 50 percent sugar at harvest

A

False

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8
Q

Sugar can is the source of 50 percent of the world production of sugar

A

True

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9
Q

The fiber from cotton is always white

A

False

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10
Q

Russian scientists were responsible for breeding large heads and high seed production in sunflowers

A

False

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11
Q

Tobacco growers take actions to promote flowering when growing tobacco

A

False

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12
Q

Opium poppy is a source for legal and illegal drugs

A

True

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13
Q 
White potatoes originate in: 
        A. Europe
        B. Asia
        C. North America 
        D. South America
A

D. South America

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14
Q 
Which of the following crops is NOT in the nightshade family? 
        A. Sweet Potato 
        B. White Potato 
        C. Tobacco 
        D. Tomato
A

A. Sweet Potato

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15
Q 
The leading producer of sweet potatoes is: 
        A. Asia 
        B. North America 
        C. South America 
        D. Africa
A

A. Asia

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16
Q 
Tapioca is made of: 
        A. True Yams 
        B. Turnip 
        C. Jerusalem artichoke 
        D. Cassava
A

D. Cassava

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17
Q 
Which of the following is a native of North America? 
        A. True Yams 
        B. Turnip 
        C. Jerusalem artichoke 
        D. Cassava
A

C. Jerusalem artichoke

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18
Q 
Taro is grown for which plant part? 
        A. Leaves 
        B. Corms 
        C. Seeds 
        D. Tubers
A

B. Corms

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19
Q 
Cassava is which of the following? 
        A. Cool Season Annual 
        B. Perennial Woody Shrub 
        C. Warm Season Annual 
        D. Herbaceous Perennial
A

B. Perennial Woody Shrub

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20
Q 
Seeds are produced in sugar beet in the: 
        A. First Year 
        B. Second Year 
        C. Third Year 
        D. Fourth Year
A

B. Second Year

21
Q 
Plantains are which type of crop? 
        A. Sugar Crop 
        B. Oil Crop 
        C. Grain Crop 
        D. Starch Crop
A

D. Starch Crop

22
Q 
Opium poppy is grown for which plant parts? 
        A. Sap and Seeds 
        B. Sap, Seeds and Roots 
        C. Seeds Only 
        D. Sap Only
A

A. Sap and Seeds

23
Q 
Sugar cane is native to which of the following regions?
        A. The Caribbean 
        B. The South Pacific and India 
        C. China 
        D. South America
A

B. The South Pacific and India

24
Q 
The leading fiber crop in the world is: 
        A. Flax 
        B. Cotton 
        C. Hemp 
        D. Sisal
A

B. Cotton

25
Q 
Where are the fibers of cotton found? 
        A. In the Stem 
        B. In the Leaves 
        C. Attached to the Roots
        D. Attached to the Seeds
A

D. Attached to the Seeds

26
Q 
Where are the fibers of flax found? 
        A. In the Stem 
        B. In the Leaves 
        C. Attached to the Roots 
        D. Attached to the Seeds
A

A. In the Stem

27
Q 
The cloth produced from flax is: 
        A. Polyester 
        B. Linen 
        C. Satin 
        D. Canvas
A

B. Linen

28
Q 
Flax is which of the following? 
        A. Cool Season Annual 
        B. Cool Season Perennial 
        C. Warm Season Annual 
        D. Wam Season Perennial
A

A. Cool Season Annual

29
Q 
Which of the following is NOT used as a fiber crop? 
        A. Flax 
        B. Cotton 
        C. Hemp 
        D. Sunflower
A

D. Sunflower

30
Q

Which of the following is NOT an oil crop?
A. Cotton
B. Canola
C. Safflower
D. None of these answers is correct

A

D. None of these answers is correct

31
Q 
Canola is which of the following? 
        A. A Cool Season Annual 
        B. A Cool Season Perennial 
        C. A Warm Season Perennial 
        D. A Warm Season Annual
A

A. A Cool Season Annual

32
Q

Potato plants store energy in the from of starch in enlarged underground stems called ________

A

Tubers

33
Q

Dormant buds on tubers are called ________

A

Eyes

34
Q

Members of the nightshade family contain compounds called ________ which can be toxic if consumed in high quantities

A

Alkaloids

35
Q

________ is a druge crop and one of the top 10 crops grown in the United States

A

Tobacco

36
Q

________ is the alkaloid in tobacco that is primarily responsible for the addictive and stimulating properties

A

Nicotine

37
Q

Sweet potatoes are a member of the _______ family

A

Conroluulacea

38
Q

The seed-bearing capsules of cotton are called ______

A

Fiber Balls

39
Q

________ oil is produced from flax and used in paints and varnishes

A

Linseed

40
Q

________ sunflowers have black seed, whereas _______ sunflowers have black and white striped seeds

A

Oilseed and Confectionary

41
Q

Sunflowers are member of the _______ family

A

Asteraeae

42
Q

Sugar Beet

A

Beta vulgaris

43
Q

White Potato

A

Solanum tuberosum

44
Q

Sunflower

A

Helianthus annus

45
Q

Flax

A

Linum usitatissimum

46
Q

Sweet Potato

A

Ipomoea batatas

47
Q

Sugar Cane

A

Saccharum officinarum

48
Q

Tobacco

A

Nicotiana

49
Q

Cotton

A

Gossypium hirsutum

Crops (14 decks)

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