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Crops > Chapter 20 > Flashcards

Chapter 20 Flashcards

1
Q

The first use of soybeans in North America was as a grain crop

A

False

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2
Q

The largest producer of soybeans in the world is the United States

A

True

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3
Q

The seed of cultivated soybeans is always yellow in color

A

False

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4
Q

Determinant soybean varieties are generally grown in the southern states

A

False

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5
Q

Soybeans do not require nitrogen fertilizer

A

True

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6
Q

Peanuts are best adapted to temperate regions

A

False

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7
Q

Alfalfa can have taproots as deep as 20 feet (6 meters)

A

True

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8
Q

Seed production of alfalfa is primarily in California and other western states

A

True

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9
Q

Sweet clover was once commonly used as a nitrogen source

A

True

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10
Q

Vetches are commonly grown in tropical regions as green manure crops

A

False

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11
Q

Benefits os using native legumes agronomically include natural adaptation and increasing diversity

A

True

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12
Q

Most of the field pea production in the United States is used as dried peas for soup or for livestock feed

A

True

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13
Q

Crimson clover is adapted to hot and dry conditions

A

False

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14
Q 
How many maturity groups do soybeans have? 
        A. 7 
        B. 11
        C. 13
        D. 15
A

C. 13

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15
Q 
Which of the following would be classified as a field bean?    
        A. Kidney Bean 
        B. Green Bean 
        C. Snow Pea 
        D. Soybean
A

A. Kidney Bean

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16
Q 
Field beans are native to: 
        A. Asia 
        B. Europe 
        C. Afica 
        D. The Americas
A

D. The Americas

17
Q

Field beans need to be cooked because:
A. They contain toxic compounds
B. The oligosaccharides contribute to gas formation
C. The protein will be unavailable
D. They are too difficult to chew

A

C. The protein will be unavailable

18
Q 
Peanuts are native to: 
        A. Africa 
        B. Europe
        C. North America 
        D. South America
A

D. South America

19
Q 
Which of the following is NOT generally used as a grain legume? 
        A. Chickpea 
        B. Alfalfa 
        C. Lupine 
        D. Lentils
A

C. Lupine

20
Q 
Up to how many times can alfalfa be harvested in a season? 
        A. Only Once 
        B. Twice 
        C. Five Times 
        D. Seven Times
A

C. Five Times

21
Q 
Which of the following has stolons? 
        A. White Clover 
        B. Red Clover 
        C. Sweet Clover 
        D. Alfalfa
A

A. White Clover

22
Q 
For which of the following is birdsfoot trefoil most suited? 
        A. Hay 
        B. Silage 
        C. Pasture 
        D. Grain
A

C. Pasture

23
Q 
Which of the following is best adapted to dry conditions? 
        A. White Clover 
        B. Red Clover 
        C. Alfalfa
        D. Sainfoin
A

D. Sainfoin

24
Q 
How much of the peanut crop produced in the United States is consumed as peanut butter? 
        A. 20 Percent 
        B. 30 Percent 
        C. 40 Percent 
        D. 50 Percent
A

C. 40 Percent

25
Q 
Which of the following is NOT a typical color type for field pea? 
        A. Green 
        B. Brown 
        C. Yellow 
        D. Cream
A

B. Brown

26
Q

________ soybean varieties have continual stem elongation throughout the growing season

A

Interdeterminant

27
Q

Soybean contain two amino acids ______ and ______ which are deficient in corn and wheat

A

Lysine and Tryptophan

28
Q

_______ are a way to classify soybean varieties by their adaptation to latitude and growing season

A

Maturity Group

29
Q

The fuel that can be made of soybean oil is _______

A

Biodiesel

30
Q

In peanuts, the ovary elongates to produce a ______ that buries itself in the soil to eventually form the peanut

A

Peg

31
Q

The first winter-hardy alfalfa was brought to Minnesota by __________

A

Wendelin Grimm

32
Q

_______ occurs because high soluble carbohydrate and protein levels in the leaves of alfalfa entrap gases in the rumen of grazing animals

A

Bloat

33
Q

_______ is a type of soybean that is harvested while green and consumed like a vegetable

A

Endamame

34
Q

Another name for chickpea is ________

A

Garbanzo Bean

35
Q

Peanut

A

Arachia hypogaea

36
Q

Soybean

A

Glycine max

37
Q

Alfalfa

A

Medicago sativa

38
Q

Field Bean

A

Phaseolus spp

39
Q

True Clover

A

Trifolium spp

Crops (14 decks)

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