Biochemistry 1 - The Carbohydrates

9 Questions | By Astosich | Last updated: Jan 22, 2013 | Total Attempts: 4047

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A quiz for the Biochemistry Unit of SBI4U Biology.

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Questions and Answers

1.

Which of these elements is NOT a constituent of Carbohydrates?
- A.
  
  Carbon
- B.
  
  Hydrogen
- C.
  
  Oxygen
- D.
  
  Nitrogen
2.

Another word that might describe complex carbohydrates is...
- A.
  
  Monosaccharide
- B.
  
  Disaccharide
- C.
  
  Polysaccharide
3.

Carbon is the basis for carbohydrates and all other biologically important molecules. All of the following are reasons why Carbon lends itself to being the basic building block of life on our planet - except for one. Which statement is incorrect?
- A.
  
  Carbon readily makes four stable bonds, in single, double or triple configurations.
- B.
  
  Carbon is a very dense & heavy element, giving living things stability.
- C.
  
  Carbon is the least electronegative non-metal
- D.
  
  Carbon has a high affinity for Oxygen & Hydrogen, which make bonds easily with C
4.

As a component of Carbohydrates, Oxygen is very important, too. Which of the following statements is incorrect about the way Oxygen behaves as part of a molecule?
- A.
  
  Oxygen has six outer valence electrons, and makes up to 2 bonds
- B.
  
  Oxygen is highly electronegative; it is an 'electron hog', sharing them unevenly
- C.
  
  The uneven sharing of electrons results in Oxygen forming polar covalent bonds
- D.
  
  The presence of oxygen in Carbohydrates makes them highly insoluble in water
5.

Which of these functional groups are you not going to find in a carbohydrate?
- A.
  
  Carbonyl -C=O
- B.
  
  Sulfhydryl -SH
- C.
  
  Hydroxyl -OH
- D.
  
  Ether -C-O-C-
6.

Which of the following carbohydrates does this structural diagram represent?
- A.
  
  Glucose
- B.
  
  Fructose
- C.
  
  Maltose
- D.
  
  Sucrose
7.

Which of the following carbohydrates does this structural diagram represent?
- A.
  
  Glucose
- B.
  
  Fructose
- C.
  
  Maltose
- D.
  
  Sucrose
8.

Which of the following carbohydrates does this structural diagram represent?
- A.
  
  Glucose
- B.
  
  Fructose
- C.
  
  Maltose
- D.
  
  Sucrose
9.

Which of the following carbohydrates does this structural diagram represent?
- A.
  
  Glucose
- B.
  
  Fructose
- C.
  
  Maltose
- D.
  
  Sucrose

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