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Crops 103 > Chapter 4 > Flashcards

Chapter 4 Flashcards

1
Q

Cereals story energy in their seeds as starch

A

True

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2
Q

The original breakfast cereals were developed by the Kelloggs in 1900

A

True

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3
Q

The difference between a cereal crop and a grain crop is that grain crops include nongrasses

A

True

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4
Q

Most pulses can be eaten raw

A

False

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5
Q

Silage is harvested at 20 percent moisture

A

False

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6
Q

The diet of a ruminant consists of mostly fruit.

A

False

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7
Q

Flax is an example of a fiber crop

A

True

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8
Q

Cotton fiber consists mostly of cellulose.

A

True

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9
Q

An example of a cover crop is corn

A

False

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10
Q

Bioenergy crops are a renewable energy source

A

True

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11
Q

Grain sorghum stems are pressed to extract sugars to produce syrup.

A

False

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12
Q

Common names for plants vary over geographical regions or countries

A

True

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13
Q

Another name for alfalfa is lucerne

A

True

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14
Q

Carolus Linnaeus first developed the binomial nomenclature system of plant identification

A

True

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15
Q

Plant orders are grouped together into families based on floral, fruit, or genetic characteristics.

A

False

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16
Q

Dicots have two cotyledons within their seeds

A

True

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17
Q

Grasses that produce edible grains are called

A

Cereal crops

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18
Q 
Which of the following is NOT a cereal crop?
A. corn
B. wheat
C. soybean
D. rice
A

C. soybean

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19
Q

Which of the following animals is a ruminant?

A. pig
B. horse
C. chicken
D. cow

A

D. cow

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20
Q

Which of the following is NOT a small grain crop?

A. wheat
B. corn
C. barley
D. oats

A

B. corn

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21
Q

Ruminants, unlike most nonruminants, are able to digest:

A

cellulose

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22
Q

Which is NOT an example of a root or tuber crop?

A. Irish potato
B. sweet potato
C. cassava
D. peanut

A

D. peanut

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23
Q

Recreational turf crops include:

A

Kentucky bluegrass and perennial ryegrass

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24
Q

An example of a sugar crop is

A

corn

25
Q

Opium poppy is an example of what type of crop?

A

a medicinal and psychoactive crop

26
Q

What percentage of the medicines used today were originally discovered in plants?

A

50%

27
Q

Scientific names use what type of nomenclature system?

A

the binomial system

28
Q

A scientific name is composed of:

A

genus and species

29
Q

Monocots have how many cotyledons?

A

one

30
Q

Which of the following plant families are most important agronomically?

A. Rosaceae and Poaceae
B. Magnoliaceae and Rosaceae
C. Magnoliaceae and Poaceae
D. Fabaceae and Poaceae

A

D. Fabaceae and Poaceae

31
Q

____________ is defined as the production of crops while sustaining the soil and environment.

A

Agronomy

32
Q

Legumes that are grown for their edible, high-protein seeds are known as _________.

A

Pulses

33
Q

The most widely grown pulse crop is ___________

A

Soybean

34
Q

A crop whose vegetative parts - including stems, leaves, and sometimes seed or grain - are used for livestock feed is called a _________ crop.

A

Forage

35
Q

Forages can be stored as _____ or _________.

A

Hay or silage

36
Q

__________ is an example of a perennial fiber crop.

A

Ramie

37
Q

A crop that protects the soil when summer annuals such as corn and soybean are not present is called a _______ crop.

A

Cover

38
Q

A ______________ crop is seeded with another crop to provide erosion control, weed control, and insurance agianst loss of the other crop.

A

Companion

39
Q

A crop planted for the purpose of adding nutrients to the soil is called a _____________________ crop.

A

Green manure

40
Q

______________ describes the production of energy from biologicial systems.

A

Bioenergy

41
Q

____________________ is a compound found in moldy sweet clover hay that has hemorrhagic properties.

A

Dicoumarol

42
Q

________________ is a system of organizing all life based on similar genetic or morphological characteristics.

A

Taxonomy

43
Q

Plant families end in the suffix _________.

A

aceae

44
Q

Potato, jimsonweed, mandrake, and tobacco are members of the ___________________ family.

A

Solanaceae

45
Q

Cotton is most commonly used for

A

Fiber

46
Q

Wheat is most commonly used for

A

Cereal

47
Q

Kentucky bluegrass is most commonly used for

A

Turfgrass

48
Q

Soybean is most commonly used for

A

Pulse

49
Q

Sugar cane is most commonly used for

A

Sugar

50
Q

Switchgrass is most commonly used for

A

Biofuel

51
Q

Alfalfa is most commonly used for

A

Forage

52
Q

Potato is most commonly used for

A

Tuber

53
Q

Coffee (psychoactive crop) has an active ingredient of

A

Caffeine

54
Q

Salvia (psychoactive crop) has an active ingredient of

A

Salvinorin A

55
Q

Tobacco (psychoactive crop) has an active ingredient of

A

Nicotine

56
Q

Peyote (psychoactive crop) has an active ingredient of

A

Mescaline

57
Q

Marijuana (psychoactive crop) has an active ingredient of

A

Tetrahydrocannabinol

58
Q

Coca (psychoactive crop) has an active ingredient of

A

Cocaine

Crops 103 (21 decks)

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