AP Biology, Period 1

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AP Biology, Period 1

• Chapter 4 Quiz

2
1. Which is an organic molecule?

• Ne
• O2
• CH4
• NaCl
• H2O

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2. The carbon atom is tetravalent this means
that _____.

• carbon's first electron shell holds 4 electrons
• a carbon atom can complete its valence shell by
  forming four covalent bonds
• the bond angle between each bond is 90, forming
  an arrangement like the points on a compass
• carbon has a total of 4 electrons
• carbon readily forms ionic bonds

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AP Biology, Period 2

• Chapter 4 Quiz

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1. Which element is most particularly associated
with organic chemistry?

• Carbon
• Sulfur
• Nitrogen
• Potassium
• oxygen

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2. At the beginning of the 19th century, it was
thought that the substances that made up living
things were special and could not be synthesized
by ordinary chemical methods. This now-discarded
theory was called the theory of ___________.

• Special creation
• Spontaneous generation
• Vitalism
• Protoplasmic dynamism
• None of the above

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AP Biology, Period 6

• Chapter 4 Quiz

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1. How many hydrogen atoms can be attached to
carbon A?

• 0
• 1
• 2
• 3
• 4

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2. Enantiomers are molecules that _____.

• are isomers that differ in the covalent
  partnerships between their atoms
• contain a carboxyl group
• differ in the arrangement of their molecules
  about a double bond
• are mirror images
• contain an OH group