Chapter 21

Question 1

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

Answer 1

True

Question 2

Potatoes grow best in heavy clay soils

Answer 2

False

Question 3

Tobacco crops are generally not allowed to flower and produce seed

Answer 3

True

Question 4

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

Answer 4

True

Question 5

Sweet potatoes can be grown as perennials in tropical areas

Answer 5

True

Question 6

True yams have modified roots like sweet potatoes

Answer 6

True

Question 7

Sugar beets contain 50 percent sugar at harvest

Answer 7

False

Question 8

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

Answer 8

True

Question 9

The fiber from cotton is always white

Answer 9

False

Question 10

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

Answer 10

False

Question 11

Tobacco growers take actions to promote flowering when growing tobacco

Answer 11

False

Question 12

Opium poppy is a source for legal and illegal drugs

Answer 12

True

Question 13

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

Answer 13

D. South America

Question 14

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

Answer 14

A. Sweet Potato

Question 15

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

Answer 15

A. Asia

Question 16

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

Answer 16

D. Cassava

Question 17

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

Answer 17

C. Jerusalem artichoke

Question 18

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

Answer 18

B. Corms

Question 19

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

Answer 19

B. Perennial Woody Shrub

Question 20

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

Answer 20

B. Second Year

Question 21

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

Answer 21

D. Starch Crop

Question 22

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

Answer 22

A. Sap and Seeds

Question 23

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

Answer 23

B. The South Pacific and India

Question 24

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

Answer 24

B. Cotton

Question 25

``` 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 ```

Answer 25

D. Attached to the Seeds

Question 26

``` 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 ```

Answer 26

A. In the Stem

Question 27

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

Answer 27

B. Linen

Question 28

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

Answer 28

A. Cool Season Annual

Question 29

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

Answer 29

D. Sunflower

Question 30

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

Answer 30

D. None of these answers is correct

Question 31

``` 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 ```

Answer 31

A. A Cool Season Annual

Question 32

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

Answer 32

Tubers

Question 33

Dormant buds on tubers are called ________

Answer 33

Eyes

Question 34

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

Answer 34

Alkaloids

Question 35

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

Answer 35

Tobacco

Question 36

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

Answer 36

Nicotine

Question 37

Sweet potatoes are a member of the _______ family

Answer 37

Conroluulacea

Question 38

The seed-bearing capsules of cotton are called ______

Answer 38

Fiber Balls

Question 39

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

Answer 39

Linseed

Question 40

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

Answer 40

Oilseed and Confectionary

Question 41

Sunflowers are member of the _______ family

Answer 41

Asteraeae

Question 42

Sugar Beet

Answer 42

Beta vulgaris

Question 43

White Potato

Answer 43

Solanum tuberosum

Question 44

Sunflower

Answer 44

Helianthus annus

Question 45

Flax

Answer 45

Linum usitatissimum

Question 46

Sweet Potato

Answer 46

Ipomoea batatas

Question 47

Sugar Cane

Answer 47

Saccharum officinarum

Question 48

Tobacco

Answer 48

Nicotiana

Question 49

Cotton

Answer 49

Gossypium hirsutum