Carbohydrates(General Knowledge > General Science ) Questions and Answers

Question 1. How do the number of H atoms compare to the number of O atoms in a carbohydrate?
  1.    There are TWICE as many H
  2.    They are the same amount
  3.    There are THREE times as many H
  4.    There are TWICE as many O
Explanation:-
Answer: Option A. -> There are TWICE as many H
Question 2. These are all properties of a disaccharide EXCEPT:
  1.    made up of two sugars
  2.    sucrose
  3.    2 monosaccharides joined by dehydration synthesis
  4.    ratio of 1:2:1
Explanation:-
Answer: Option D. -> ratio of 1:2:1
Question 3. What two groups are removed from monosaccharides to form disaccharides or polysaccharides
  1.    water and oxygen
  2.    hydrogen and hydroxyl group
  3.    carbon and hydrogen
  4.    water and carbon
Explanation:-
Answer: Option B. -> hydrogen and hydroxyl group
Question 4. These are all properties of a monosaccharide EXCEPT:
  1.    simple sugar
  2.    1:2:1 ratio
  3.    double sugar
  4.    used for energy
Explanation:-
Answer: Option C. -> double sugar
Question 5. Which foods do not contain natural sugar?
  1.    apple
  2.    milk
  3.    strawberry
  4.    none of the above
Explanation:-
Answer: Option D. -> none of the above
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