Practice Quiz

MCAS Biology Practice - Question List

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141. Which organism in the food web is classified into kingdom Fungi?
  1. Idaho fescue
  2. king bolete
  3. migratory grasshopper
  4. yellow-bellied marmot
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142. Which of the following organisms is a secondary consumer in this food web?
  1. yellow-bellied marmot
  2. strawberry plant
  3. least chipmunk
  4. king bolete
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143. Which of the following releases oxygen into this food web ecosystem?
  1. elk respiration
  2. Idaho fescue photosynthesis
  3. sweet cicely root decomposition
  4. migratory grasshopper reproduction
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144. In phenylketonuria (PKU), an enzyme that converts one amino acid into another does not work properly. Which of the following is the most likely cause of this genetic condition?
  1. an error in the transcription of the gene for the enzyme
  2. a mutation in the DNA sequence that codes for the enzyme
  3. an excess of the amino acids necessary to produce the enzyme
  4. a structural variation in the amino acid modified by the enzyme
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145. The water cycle would not occur if which of the following were missing?
  1. animals
  2. bacteria
  3. ice caps
  4. solar energy
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