Practice Quiz

NAEP Science Grade 12 - Question List

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151.
A germinating fern spore will develop into:
  1. A rhizoid.
  2. A gametophyte.
  3. An archegonium.
  4. A sporophyte.
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152.
The double fertilization that is unique to the reproduction of angiosperms has which of the following consequences?
  1. Polyploidy and hybridization are more common in plants than in animals.
  2. Two pollen grains are necessary to fertilize each ovum.
  3. Zygotes form during both the gametophyte and sporophyte generations.
  4. Food storage tissue in seeds is triploid.
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153.
An important difference in how aquatic autotrophs and land plants carry out photosynthesis is that only land plants:
  1. Receive carbon dioxide through specialized structures.
  2. Have chlorophyll a, which allows them to absorb red and blue light.
  3. Produce NADPH during the light reactions.
  4. Use a chemiosmotic mechanism for producing ATP.
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154.
Closure of stomata immediately affects a plant's:
  1. Root pressure.
  2. Transport of glucose.
  3. Rate of water loss.
  4. Frost resistance.
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155.
Bean leaves growing under constant environmental conditions in a laboratory raise and lower their leaves on a 26-hour cycle. This is an example of a:
  1. Phototropism.
  2. Circadian rhythm.
  3. Day-neutral behavior.
  4. Photoperiodic response.
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