AP Biology Ch 2 Quiz

15 Questions | Total Attempts: 31

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AP Biology Ch 2 Quiz

This quiz is due Monday September 23rd by midnight that night.


Questions and Answers
  • 1. 
    An ion with a charge of +2 would be....
    • A. 

      H with one electron

    • B. 

      C with six electrons

    • C. 

      O with 8 electrons

    • D. 

      Mg with 10 electrons

    • E. 

      Does not describe any of these atoms

  • 2. 
    An ion with a charge of +1 would be....
    • A. 

      H with one electron

    • B. 

      C with six electrons

    • C. 

      O with eight electrons

    • D. 

      Mg with ten electrons

    • E. 

      Does not describe any of these atoms

  • 3. 
    Which one of the following is NOT a water property?
    • A. 

      Hydrogen bonding

    • B. 

      Surface tension

    • C. 

      Capillary action

    • D. 

      Nonpolar

  • 4. 
    Has only one proton, one neutron and one electron...
    • A. 

      H with one electron

    • B. 

      C with six electrons

    • C. 

      O with eight electrons

    • D. 

      Mg with ten electrons

    • E. 

      Does not describe any of these atoms

  • 5. 
    Has 12 protons...
    • A. 

      H with one electron

    • B. 

      C with six electrons

    • C. 

      O with eight electrons

    • D. 

      Mg with ten electrons

    • E. 

      Does not describe any of these atoms

  • 6. 
    The elements found in the greatest abundance in living organisms are
    • A. 

      Carbon, hydrogen and nitrogen

    • B. 

      Carbon, oxygen, hydrogen and neon

    • C. 

      Carbon, oxygen, hydrogen and calcium

    • D. 

      Carbon, oxygen, potassium and phosphorus

  • 7. 
    At least one double covalent bond is found in which of the following molecules? I.  O2 II.  CO2 III.  MgCl2
    • A. 

      I only

    • B. 

      II only

    • C. 

      III only

    • D. 

      I and II only

    • E. 

      I, II, and III

  • 8. 
    Which of the following is an example of a polar covalent bond?
    • A. 

      The bond between a hydrogen atom of one water molecule and an oxygen atom of an adjacent water molecule

    • B. 

      The bond between a hydrogen atom and the oxygen atom of a water molecule

    • C. 

      The bond between a hydrogen atom of a water molecule and a sodium ion in solution

    • D. 

      The bond between a carbon atom and a hydrogen atom in a methane molecule

    • E. 

      The bond between two methane molecules

  • 9. 
    Hydroxyl group
    • A. 

      -OH

    • B. 

      -COOH

    • C. 

      -C=O

    • D. 

      -SH

    • E. 

      -NH2

  • 10. 
    Carbonyl group
    • A. 

      -OH

    • B. 

      -COOH

    • C. 

      -C=O

    • D. 

      -SH

    • E. 

      -NH2

  • 11. 
    The molecule above could be classified as each of the following EXCEPT
    • A. 

      A carboxylic acid

    • B. 

      Thiol

    • C. 

      Amine

    • D. 

      Aldehyde

    • E. 

      Ketone

  • 12. 
    How does starch differ from cellulose?
    • A. 

      Starch can form ring structures, but cellulose cannot

    • B. 

      Cellulose is only found in plants, but starch is found in both plants and animals

    • C. 

      Starch is a storage polysaccharide, but cellulose is a structural polysaccharide

    • D. 

      Cellulose has nitrogen containing side chains that link it together to form strong fibers

    • E. 

      Cellulose is a polymer of glucose, but starch is a polymer of sucrose

  • 13. 
    All of the following could be present in a phospholipid molecule EXCEPT
    • A. 

      A saturated fatty acid

    • B. 

      Phosphate

    • C. 

      A hydrophilic head

    • D. 

      Three unsaturated fatty acids

    • E. 

      Glycerol

  • 14. 
    Saturated fatty acids
    • A. 

      Have many polar bonds along their length

    • B. 

      Are bent

    • C. 

      Are the main reason oils are liquids

    • D. 

      Have less hydrogen than unsaturated fatty acids

    • E. 

      Will cause a fat to have a higher melting point than if its fatty acids were unsaturated

  • 15. 
    The molecule above is
    • A. 

      A pentose

    • B. 

      A monosaccharide

    • C. 

      Water soluble

    • D. 

      A only

    • E. 

      A and c

    • F. 

      A, b and c

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