Chapter 21 Flashcards
Other plant families besides the grass and legume families can have crops of economic importance
True
Potatoes grow best in heavy clay soils
False
Tobacco crops are generally not allowed to flower and produce seed
True
The use of tobacco in its many forms can cause health problems such as lung cancer, heart disease, emphysema and mouth cancer
True
Sweet potatoes can be grown as perennials in tropical areas
True
True yams have modified roots like sweet potatoes
True
Sugar beets contain 50 percent sugar at harvest
False
Sugar can is the source of 50 percent of the world production of sugar
True
The fiber from cotton is always white
False
Russian scientists were responsible for breeding large heads and high seed production in sunflowers
False
Tobacco growers take actions to promote flowering when growing tobacco
False
Opium poppy is a source for legal and illegal drugs
True
White potatoes originate in: A. Europe B. Asia C. North America D. South America
D. South America
Which of the following crops is NOT in the nightshade family? A. Sweet Potato B. White Potato C. Tobacco D. Tomato
A. Sweet Potato
The leading producer of sweet potatoes is: A. Asia B. North America C. South America D. Africa
A. Asia
Tapioca is made of: A. True Yams B. Turnip C. Jerusalem artichoke D. Cassava
D. Cassava
Which of the following is a native of North America? A. True Yams B. Turnip C. Jerusalem artichoke D. Cassava
C. Jerusalem artichoke
Taro is grown for which plant part? A. Leaves B. Corms C. Seeds D. Tubers
B. Corms
Cassava is which of the following? A. Cool Season Annual B. Perennial Woody Shrub C. Warm Season Annual D. Herbaceous Perennial
B. Perennial Woody Shrub
Seeds are produced in sugar beet in the: A. First Year B. Second Year C. Third Year D. Fourth Year
B. Second Year
Plantains are which type of crop? A. Sugar Crop B. Oil Crop C. Grain Crop D. Starch Crop
D. Starch Crop
Opium poppy is grown for which plant parts? A. Sap and Seeds B. Sap, Seeds and Roots C. Seeds Only D. Sap Only
A. Sap and Seeds
Sugar cane is native to which of the following regions? A. The Caribbean B. The South Pacific and India C. China D. South America
B. The South Pacific and India
The leading fiber crop in the world is: A. Flax B. Cotton C. Hemp D. Sisal
B. Cotton
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
D. Attached to the Seeds
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. In the Stem
The cloth produced from flax is: A. Polyester B. Linen C. Satin D. Canvas
B. Linen
Flax is which of the following? A. Cool Season Annual B. Cool Season Perennial C. Warm Season Annual D. Wam Season Perennial
A. Cool Season Annual
Which of the following is NOT used as a fiber crop? A. Flax B. Cotton C. Hemp D. Sunflower
D. Sunflower
Which of the following is NOT an oil crop?
A. Cotton
B. Canola
C. Safflower
D. None of these answers is correct
D. None of these answers is correct
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 Cool Season Annual
Potato plants store energy in the from of starch in enlarged underground stems called ________
Tubers
Dormant buds on tubers are called ________
Eyes
Members of the nightshade family contain compounds called ________ which can be toxic if consumed in high quantities
Alkaloids
________ is a druge crop and one of the top 10 crops grown in the United States
Tobacco
________ is the alkaloid in tobacco that is primarily responsible for the addictive and stimulating properties
Nicotine
Sweet potatoes are a member of the _______ family
Conroluulacea
The seed-bearing capsules of cotton are called ______
Fiber Balls
________ oil is produced from flax and used in paints and varnishes
Linseed
________ sunflowers have black seed, whereas _______ sunflowers have black and white striped seeds
Oilseed and Confectionary
Sunflowers are member of the _______ family
Asteraeae
Sugar Beet
Beta vulgaris
White Potato
Solanum tuberosum
Sunflower
Helianthus annus
Flax
Linum usitatissimum
Sweet Potato
Ipomoea batatas
Sugar Cane
Saccharum officinarum
Tobacco
Nicotiana
Cotton
Gossypium hirsutum