Practice Quiz

MTEL Biology Practice Exam - Question List

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31.
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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32.
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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33.
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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34.
Which of the following describes the triple response of seedlings that allows them to push up through the soil to the surface?
  1. Phototropism; ethylene emission; programmed cell deaths.
  2. Slowing of stem elongation; thickening of stem; horizontal growth of stem.
  3. Changes in turgor pressure; phytochromes; blue-light receptors.
  4. Variation in auxin concentrations; production of growth inhibitors; abscission layers.
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35.
Lichens obtain their carbon from the:
  1. Photosynthesis of green algae or cyanobacteria.
  2. Absorption of decomposing organic material.
  3. Accumulation of wind-borne particulate matter.
  4. Assimilation of solutes dissolved in precipitation.
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