Z! Prep Act Science Only Quiz For Tutors

12 Questions | Total Attempts: 73

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Z! Prep Act Science Only Quiz For Tutors

This quiz is designed to measure a tutor's knowledge and familiarity with the Science test content on the ACT. In order to be eligible to tutor ACT science students for Club Z!, prospective tutors must be able to successfully answer the following sample questions from the Z! Prep ACT Science Diagnostic test. Your local Area Director will determine the minimum threshold for correct answers. Good luck!


Questions and Answers
  • 1. 
  • 2. 
  • 3. 
  • 4. 
  • 5. 
    SCIENCE TEST DIRECTIONS: This test contains five passages, each followed by a set of questions. Read each passage and the questions about the passage. Then, choose the best answer for each of the questions and fill in the corresponding bubble on your answer sheet. Refer to the passages as often as you like as you search for answer. You may NOT use a calculator on this test.
  • 6. 
  • 7. 
    A solution containing an unknown amount of sodium chloride in 100g of water freezes at –9.3 degrees Celsius. Based on the results of Experiment 1, the number of moles of NaCl in the solution is approximately:
    • A. 

      0.20.

    • B. 

      0.25.

    • C. 

      0.30.

    • D. 

      0.35.

  • 8. 
    In Experiments 1 and 2, all of the following factors were directly controlled EXCEPT:
    • A. 

      The freezing point of the solutions.

    • B. 

      The freezing point of water.

    • C. 

      The amount of solvent used.

    • D. 

      The amount of solute used.

  • 9. 
    The distance from the center of Mercury’s orbit to each focus is approximately 12,000,000 km. Mercury’s orbit has an eccentricity of 0.2. According to Figure 1, which of the following most nearly approximates the length of the semi-major axis of Mercury’s orbit?
    • A. 

      2,400,000 km

    • B. 

      4,800,000 km

    • C. 

      48,000,000 km

    • D. 

      60,000,000 km

  • 10. 
    A researcher prepared Tube X under the same conditions as Study 1. Tube X was kept at 45°C and monitored for 7 days. On day 4, the number of Didinium nastum individuals in Tube X would most likely be:
    • A. 

      2

    • B. 

      10

    • C. 

      20

    • D. 

      40

  • 11. 
    According to Figure 3, which retinal photoreceptors absorb light at a luminance of  nits?
    • A. 

      Rods only

    • B. 

      Cones only

    • C. 

      Neither rods nor cones

    • D. 

      Rods and cones

  • 12. 
    According to Figure 3, the planet with an eccentricity of 0.093 is approximately how far away from the sun?
    • A. 

      0.03 AU

    • B. 

      0.05 AU

    • C. 

      0.08 AU

    • D. 

      1.6 AU

  • 13. 
    Based on the information presented, which of the following sets of conditions are most favorable for both paramecia and didinia?
    • A. 

      Answer option 1

    • B. 

      Answer option 2

    • C. 

      Answer option 3

    • D. 

      Answer option 4

  • 14. 
    Based on Figures 3 and 4, which of the following correctly ranks, from greatest effectiveness to least effectiveness, the ability of the human eye to perceive certain colors in bright light?
    • A. 

      Blue, red, violet

    • B. 

      Orange, blue, violet

    • C. 

      Orange, green, blue

    • D. 

      Blue, green, orange

  • 15. 
    Based on Figure 4, the retinal rods reach maximum efficiency when absorbing light at which of the following wavelengths?
    • A. 

      450nm

    • B. 

      505nm

    • C. 

      550nm

    • D. 

      555nm

  • 16. 
    The results of the mtDNA mammoth study were duplicated by an independent laboratory using new DNA extracts. Findings from the new study indicated common ancestry of the Asian elephant and mammoth. Based on the information provided, this finding would most likely weaken the viewpoint of:
    • A. 

      Scientist 1 only

    • B. 

      Scientist 2 only

    • C. 

      Scientist 3 only

    • D. 

      None of the scientists

  • 17. 
    Which of the following best explains why Scientist 2 indicates that the 32,000-year-old mammoth tissue remained frozen until excavation?
    • A. 

      A frozen specimen is less susceptible to contamination than a thawed specimen.

    • B. 

      A frozen specimen is more susceptible to contamination than a thawed specimen.

    • C. 

      A frozen specimen is necessary for the sequencing of mtDNA..

    • D. 

      A frozen specimen is necessary for the use of PCR techniques.

  • 18. 
    The conclusions presented by Scientists 1 and 2 are similar to each other in that both scientists indicate that:
    • A. 

      Mammoths are more closely related to African elephants than Asian elephants.

    • B. 

      Mammoths are more closely related to Asian elephants than African elephants.

    • C. 

      African elephants and Asian elephants are more closely related to each other than to mammoths.

    • D. 

      Asian elephants split from mammoths 4 million years ago.

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