Practice Quiz

HiSET Science Test Prep - Question List

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56. In an experiment, mice were infected with helminthes and observed for population change. It was found that mice became sickly and the population decreased. This relationship is an example of ________.
  1. Commensalism
  2. Parasitism
  3. Mutualism
  4. Competition
  5. Community
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57. Which of the following substances will turn blue litmus paper red?
  1. HCl
  2. H2O
  3. NaCl
  4. NaOH
  5. NH3
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58. Which of the following organisms is classified in the phylum Chordata?
  1. Crab
  2. Dolphin
  3. Sea urchin
  4. Squid
  5. Octopus
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59. A catalyst increases the rate of a reaction by lowering the activation energy of the reaction. True or false?
  1. True
  2. False
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60. F- has a smaller atomic radius than F. True or false?
  1. True
  2. False
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