Chapter 4

Question 1

Cereals story energy in their seeds as starch

Answer 1

True

Question 2

The original breakfast cereals were developed by the Kelloggs in 1900

Answer 2

True

Question 3

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

Answer 3

True

Question 4

Most pulses can be eaten raw

Answer 4

False

Question 5

Silage is harvested at 20 percent moisture

Answer 5

False

Question 6

The diet of a ruminant consists of mostly fruit.

Answer 6

False

Question 7

Flax is an example of a fiber crop

Answer 7

True

Question 8

Cotton fiber consists mostly of cellulose.

Answer 8

True

Question 9

An example of a cover crop is corn

Answer 9

False

Question 10

Bioenergy crops are a renewable energy source

Answer 10

True

Question 11

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

Answer 11

False

Question 12

Common names for plants vary over geographical regions or countries

Answer 12

True

Question 13

Another name for alfalfa is lucerne

Answer 13

True

Question 14

Carolus Linnaeus first developed the binomial nomenclature system of plant identification

Answer 14

True

Question 15

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

Answer 15

False

Question 16

Dicots have two cotyledons within their seeds

Answer 16

True

Question 17

Grasses that produce edible grains are called

Answer 17

Cereal crops

Question 18

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

Answer 18

C. soybean

Question 19

Which of the following animals is a ruminant?

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

Answer 19

D. cow

Question 20

Which of the following is NOT a small grain crop?

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

Answer 20

B. corn

Question 21

Ruminants, unlike most nonruminants, are able to digest:

Answer 21

cellulose

Question 22

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

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

Answer 22

D. peanut

Question 23

Recreational turf crops include:

Answer 23

Kentucky bluegrass and perennial ryegrass

Question 24

An example of a sugar crop is

Answer 24

corn

Question 25

Opium poppy is an example of what type of crop?

Answer 25

a medicinal and psychoactive crop

Question 26

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

Answer 26

50%

Question 27

Scientific names use what type of nomenclature system?

Answer 27

the binomial system

Question 28

A scientific name is composed of:

Answer 28

genus and species

Question 29

Monocots have how many cotyledons?

Answer 29

one

Question 30

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

Answer 30

D. Fabaceae and Poaceae

Question 31

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

Answer 31

Agronomy

Question 32

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

Answer 32

Pulses

Question 33

The most widely grown pulse crop is ___________

Answer 33

Soybean

Question 34

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

Answer 34

Forage

Question 35

Forages can be stored as _____ or _________.

Answer 35

Hay or silage

Question 36

__________ is an example of a perennial fiber crop.

Answer 36

Ramie

Question 37

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

Answer 37

Cover

Question 38

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

Answer 38

Companion

Question 39

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

Answer 39

Green manure

Question 40

______________ describes the production of energy from biologicial systems.

Answer 40

Bioenergy

Question 41

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

Answer 41

Dicoumarol

Question 42

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

Answer 42

Taxonomy

Question 43

Plant families end in the suffix _________.

Answer 43

aceae

Question 44

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

Answer 44

Solanaceae

Question 45

Cotton is most commonly used for

Answer 45

Fiber

Question 46

Wheat is most commonly used for

Answer 46

Cereal

Question 47

Kentucky bluegrass is most commonly used for

Answer 47

Turfgrass

Question 48

Soybean is most commonly used for

Answer 48

Pulse

Question 49

Sugar cane is most commonly used for

Answer 49

Sugar

Question 50

Switchgrass is most commonly used for

Answer 50

Biofuel

Question 51

Alfalfa is most commonly used for

Answer 51

Forage

Question 52

Potato is most commonly used for

Answer 52

Tuber

Question 53

Coffee (psychoactive crop) has an active ingredient of

Answer 53

Caffeine

Question 54

Salvia (psychoactive crop) has an active ingredient of

Answer 54

Salvinorin A

Question 55

Tobacco (psychoactive crop) has an active ingredient of

Answer 55

Nicotine

Question 56

Peyote (psychoactive crop) has an active ingredient of

Answer 56

Mescaline

Question 57

Marijuana (psychoactive crop) has an active ingredient of

Answer 57

Tetrahydrocannabinol

Question 58

Coca (psychoactive crop) has an active ingredient of

Answer 58

Cocaine