Science Bowl

GENERAL SCIENCE

General Science - 44

GENR-93; Short Answer:  "Hard" water is related to the presence of high concentrations of 
primarily four metal ions in water supplies.  Calcium and magnesium ions are the most common 
of the four.  Name one of the other two ions. 
 

ANSWER:  IRON AND MANGANESE 

 
GENR-93; Short Answer:  When the fuel economy of a 20 miles per gallon car is averaged with
that  of a 40 miles per gallon car and both cars are driven the same number of miles per year, the 
resulting average, in miles per gallon, is: 
 

ANSWER:  26.7 (MILES PER GALLON) (Accept 25.7 TO 27.7)   

GENR-93; Multiple Choice: Taxol is a drug currently being used to treat cancer, particularly
resistant forms of breast cancer.  A natural source of Taxol is:   

w)  bark and leaves of the yew tree 
x)  apricot pits 
y)  periwinkle flowers 
z)  ginkgo leaves 

ANSWER:  W -- BARK AND LEAVES OF THE YEW TREE 

  
GENR-93; Multiple Choice: About what percent of the electricity used in the United States is
currently being produced by nuclear power plants? 

w)  5 percent 
x)  10 percent 
y)  20 percent 
z)  30 percent 

ANSWER:  Y -- 20 PERCENT 

 
GENR-93; Multiple Choice: Some physicians suggest that women supplement their diets with
antacids to supply additional amounts of a certain element thought to reduce the risk of
osteoporosis.  The ingredient in antacids which provides this element is:   

w)  calcium carbonate 
x)  aluminum hydroxide 
y)  magnesium hydroxide 
z)  simethicone 

ANSWER:  W -- CALCIUM CARBONATE