A sample Quiz 12 Root & tuber products and sugar production

 

1.     Match the common and scientific names

        sugarcane                 Ipomoea batatas

        potato                       Manihlot esculenta

        sugar beet                Beta vulgaris

        sweet potato            Solanum tuberosum

        cassava                   Saccharum officinarum

        yam                        Dioscorea spp.

 

2.         Which of the following is not true of sugar crops?  a.  Are grown for their yield of sucrose. b.  Are consumed as a staple part of diets by almost all of the worlds people.  c.  Are exclusively a source of carbohydrates (energy).  d.  The harvested plant part is high in water content.  e.  Are exclusively C4 plants.

 

3.         Identify the two world regions that account for the majority of the world’s sugarcane production.  a. Asia & Europe,   b.  South America & Africa,   c.   Asia & South America,    d.  North & Central America & Europe,    e. North & Central America & Asia.

 

4.         Identify the one U.S. state that produces about 50% of the U.S. sugarcane. a.  Louisiana,  b. Texas,  c. Hawaii,  d. Florida,  e. Arizona.

 

5.         The one region of the world which produces over 60% of the world’s sugar beet is:  a. Europe,  b. South America,  c. Asia,  d. Africa,   e.  N & C. America.

 

6.         In regards to US sugar and sweetener production and use, select the statement which is not true.  a.  Cane and beet sugar production are similar with beet slightly higher.  b. Beet sugar is preferred because it is higher in sweetening value.  c.  More corn sweetener is consumed than sugar.  d.  Annual per capita sugar consumption has been gradually increasing and is around 68 pounds. 

 

7.         On a fresh weight basis, which of the root and tuber crops studied has the highest dry matter content?   a.  potato,  b.  sweet potato,   c.   sweet potato and potato about equal but higher than cassava,   d.   cassava,    e.   cassava and sweet potato about equal but higher than potato.

 

8.         Which of the root and tuber crops studied has the highest vitamin A content?   a.  potato,    b.  sweet potato,      c.   sweet potato and potato about equal but higher than cassava,   d.  cassava,   e. cassava and sweet potato about equal but higher than potato.

 

9.         Which mineral is relatively high in root and tuber crops.  a.  Magnesium,   b.  Manganese,    c.  Potassium,   d.  Zinc,   e.  Sodium.

 

10.     Which of the following is not a normal use of cassava?   a.  Sliced and fried,   b.  Boiled,   c.  Dried, ground and made into flour,   d.  Incorporated into soups,   e.  Eaten fresh.