HiSET Practice Exam 1 Science

Why did it take many years for the cell theory to be developed?

Advancements in microscopy took place slowly.

Correct Incorrect Correct answer

Cells were difficult to isolate for experimental analysis.

Correct Incorrect Correct answer

Researchers believed a cell formed from preexisting cells.

Correct Incorrect Correct answer

Scientists already proved that cells were essential for life.

Correct Incorrect Correct answer

Which statement is most strongly supported by the cell theory?

Plant cells have similar cell parts to animal cells.

Correct Incorrect Correct answer

Cells house their genetic information in the nucleus.

Correct Incorrect Correct answer

Blood cells arise from stem cells in the bone marrow.

Correct Incorrect Correct answer

Nonliving things lack a cell and associated organelles.

Correct Incorrect Correct answer

Which of the following cell components is characterized as a jelly-like substance?

Nucleus

Correct Incorrect Correct answer

Vacuole

Correct Incorrect Correct answer

Cytoplasm

Correct Incorrect Correct answer

Cell membrane

Correct Incorrect Correct answer

If a biochemist isolates a large amount of pyruvate, which of the following parts of the cell is he working with?

Chloroplasts

Correct Incorrect Correct answer

Cytoplasm

Correct Incorrect Correct answer

Mitochondria

Correct Incorrect Correct answer

Nucleus

Correct Incorrect Correct answer

Which of the following characteristics is unique to all prokaryotes?

Creates gametes

Correct Incorrect Correct answer

Requires meiosis

Correct Incorrect Correct answer

Uses photosynthesis

Correct Incorrect Correct answer

Reproduces asexually

Correct Incorrect Correct answer

Mitosis is different from meiosis because mitosis does which of the following?

is a form of asexual reproduction.

Correct Incorrect Correct answer

leads to the production of gametes.

Correct Incorrect Correct answer

includes two rounds of cell division.

Correct Incorrect Correct answer

results in increased genetic diversity.

Correct Incorrect Correct answer

Which of the following steps of the scientific method relies on logic reasoning to be formulated?

Asking a question

Correct Incorrect Correct answer

Writing a conclusion

Correct Incorrect Correct answer

Researching information

Correct Incorrect Correct answer

Developing a hypothesis

Correct Incorrect Correct answer

When a researcher determines the cause-and-effect relationship between two variables, which of the following parts of the scientific method is the researcher performing?

Analysis

Correct Incorrect Correct answer

Conclusion

Correct Incorrect Correct answer

Experiment

Correct Incorrect Correct answer

Hypothesis

Correct Incorrect Correct answer

What is the purpose of a placebo?

Determine how people respond to treatment

Correct Incorrect Correct answer

Represent the independent variable in a study

Correct Incorrect Correct answer

Account for a psychological factor during treatment

Correct Incorrect Correct answer

Provide an additional way to collect data for analysis

Correct Incorrect Correct answer

Human cells have _____ sets of different chromosomes.

12

Correct Incorrect Correct answer

23

Correct Incorrect Correct answer

46

Correct Incorrect Correct answer

50

Correct Incorrect Correct answer

In DNA replication, a DNA strand is separated, which of the following also occurs?

complementary strand attaches.

Correct Incorrect Correct answer

complementary strand is assembled.

Correct Incorrect Correct answer

complementary strand replicates itself.

Correct Incorrect Correct answer

complementary strand forms a double helix.

Correct Incorrect Correct answer

An offspring receives which of the following number of allele(s) for a particular trait from each parent.

1

Correct Incorrect Correct answer

2

Correct Incorrect Correct answer

3

Correct Incorrect Correct answer

4

Correct Incorrect Correct answer

Which of the following sequences describes the hierarchy level of biological organization?

Kingdom, phylum, class, order, family, genus, and species

Correct Incorrect Correct answer

Genus, class, kingdom, species, order, phylum, and family

Correct Incorrect Correct answer

Family, species, genus, order, kingdom, class, and phylum

Correct Incorrect Correct answer

Species, kingdom, genus, class, family, phylum, and order

Correct Incorrect Correct answer

Which class of biomolecules help transmit genetic information?

Lipids

Correct Incorrect Correct answer

Proteins

Correct Incorrect Correct answer

Nucleic acids

Correct Incorrect Correct answer

Carbohydrates

Correct Incorrect Correct answer

When using the scientific method, which of the following does a researcher do immediately after proposing a scientific question?

Perform background research on the topic

Correct Incorrect Correct answer

Analyze data to observe trends or patterns

Correct Incorrect Correct answer

Collect information or data during an experiment

Correct Incorrect Correct answer

Communicate results in an article or presentation

Correct Incorrect Correct answer

Which of the following is a characteristic of citrus substances?

Taste sour

Correct Incorrect Correct answer

Have a pH of 7

Correct Incorrect Correct answer

Turn litmus blue

Correct Incorrect Correct answer

Slippery to touch

Correct Incorrect Correct answer

Water can act as an acid or a base. Because of this behavior, which of the following describes what it is known to be?

amphoteric.

Correct Incorrect Correct answer

aqueous.

Correct Incorrect Correct answer

ionic.

Correct Incorrect Correct answer

pure.

Correct Incorrect Correct answer

Which of the following is classified as a type of acid-base reaction that produces a salt?

Combination

Correct Incorrect Correct answer

Decomposition

Correct Incorrect Correct answer

Hydrolysis

Correct Incorrect Correct answer

Neutralization

Correct Incorrect Correct answer

Which of the following atoms is an anion?

12 protons, 12 neutrons, 10 electrons

Correct Incorrect Correct answer

16 protons, 16 neutrons, 18 electrons

Correct Incorrect Correct answer

19 protons, 20 neutrons, 19 electrons

Correct Incorrect Correct answer

26 protons, 30 neutrons, 24 electrons

Correct Incorrect Correct answer

A neutral atom has two electrons in its first energy shell, eight electrons in its second energy shell, and three electrons in its third energy shell.

Which electrons will be lost when the atom reacts to become stable?

Electrons in the first shell

Correct Incorrect Correct answer

Electrons in the second shell

Correct Incorrect Correct answer

Electrons in the third shell

Correct Incorrect Correct answer

Electrons in the second or third shell

Correct Incorrect Correct answer

How many potassium and nitrogen ions are needed to form an ionic compound?

One potassium ion and one nitrogen ion

Correct Incorrect Correct answer

Three potassium ions and one nitrogen ion

Correct Incorrect Correct answer

One potassium ion and three nitrogen ions

Correct Incorrect Correct answer

Three potassium ions and three nitrogen ions

Correct Incorrect Correct answer

Which of the following is an example of a homogeneous mixture?

A bowl of cereal with milk

Correct Incorrect Correct answer

A glass of lemonade with ice

Correct Incorrect Correct answer

A mixture of silver and gold coins

Correct Incorrect Correct answer

A pitcher of cherry-flavored beverage

Correct Incorrect Correct answer

The graph below shows the energy of the species involved in a chemical reaction as the reaction proceeds. How much energy is released in this reaction?

10 kJ

Correct Incorrect Correct answer

20 kJ

Correct Incorrect Correct answer

30 kJ

Correct Incorrect Correct answer

40 kJ

Correct Incorrect Correct answer

Which of the following equations shows a single-replacement reaction?

3H₂ + N₂ → 2NH₃

Correct Incorrect Correct answer

Zn + 2HCl → H₂ + ZnCl₂

Correct Incorrect Correct answer

C₂H₄ + 3O₂ → 2CO₂ + 2H₂O

Correct Incorrect Correct answer

2AgNO₃ + CuCl₂ → 2AgCl + Cu(NO₃)₂

Correct Incorrect Correct answer

Which of the following is an example of a physical property?

Amount

Correct Incorrect Correct answer

Corrosion

Correct Incorrect Correct answer

Reactivity

Correct Incorrect Correct answer

Rusting

Correct Incorrect Correct answer

The amount of matter that an object contains is _____.

deposition

Correct Incorrect Correct answer

mass

Correct Incorrect Correct answer

polarity

Correct Incorrect Correct answer

sublimation

Correct Incorrect Correct answer

Which of the following explains why oxygen diffuses out of lungs into the bloodstream?

The oxygen is repulsed by the blood.

Correct Incorrect Correct answer

The oxygen is being pulled into the blood.

Correct Incorrect Correct answer

The oxygen is polar, and the blood has the opposite charge.

Correct Incorrect Correct answer

The oxygen is going from a higher area of concentration to a lower one.

Correct Incorrect Correct answer

Which of the following parts of an atom has no charge?

Electron

Correct Incorrect Correct answer

Neutron

Correct Incorrect Correct answer

Nucleus

Correct Incorrect Correct answer

Proton

Correct Incorrect Correct answer

Which of the following isotopes of boron should be the most abundant, and why?

Boron-10, because its mass is closer to the average atomic mass in the periodic table.

Correct Incorrect Correct answer

Boron-11, because its mass is closer to the average atomic mass in the periodic table.

Correct Incorrect Correct answer

Boron-10, because its mass is farther from the average atomic mass in the periodic table.

Correct Incorrect Correct answer

D Boron-11, because its mass is farther from the average atomic mass in the periodic table.

Correct Incorrect Correct answer

Which of the following atoms will have an overall negative charge?

9 protons, 10 neutrons, 9 electrons

Correct Incorrect Correct answer

12 protons, 13 neutrons, 10 electrons

Correct Incorrect Correct answer

14 protons, 14 neutrons, 10 electrons

Correct Incorrect Correct answer

15 protons, 16 neutrons, 18 electrons

Correct Incorrect Correct answer

Which of the following phase changes will a substance have less energy at the end than it did at the beginning?

Deposition

Correct Incorrect Correct answer

Melting

Correct Incorrect Correct answer

Sublimation

Correct Incorrect Correct answer

Vaporization

Correct Incorrect Correct answer

During which of the following phase changes will the cohesion between the particles in a substance decrease?

Condensation

Correct Incorrect Correct answer

Deposition

Correct Incorrect Correct answer

Freezing

Correct Incorrect Correct answer

Vaporization

Correct Incorrect Correct answer

Which of the following happens to the shape and volume of a sample of helium gas when it is transferred from a tank to a balloon?

Both the shape and volume change.

Correct Incorrect Correct answer

Neither the shape nor the volume changes.

Correct Incorrect Correct answer

The shape changes, but the volume remains the same.

Correct Incorrect Correct answer

The volume changes, but the shape remains the same.

Correct Incorrect Correct answer

How many cups are in 22 pints?

11

Correct Incorrect Correct answer

20

Correct Incorrect Correct answer

24

Correct Incorrect Correct answer

44

Correct Incorrect Correct answer

Which of the following is part of the metric system?

Celsius

Correct Incorrect Correct answer

Feet

Correct Incorrect Correct answer

Ounces

Correct Incorrect Correct answer

Pound

Correct Incorrect Correct answer

A scientist wants to measure how far a person can run in 30 minutes. Which of the following units should she use to record this measurement as a small number?

Gigameters

Correct Incorrect Correct answer

Kilometers

Correct Incorrect Correct answer

Megameters

Correct Incorrect Correct answer

Terameters

Correct Incorrect Correct answer

Which of the following is an example of electromagnetic induction?

A wire loop spinning in a magnetic field

Correct Incorrect Correct answer

A proton exerting a force on an electron

Correct Incorrect Correct answer

A battery delivering electric current to a resistor

Correct Incorrect Correct answer

An accelerating charge creating electromagnetic waves

Correct Incorrect Correct answer

Region X and region Y are approximately the same size, but the magnetic flux through region X is much higher. Which statement about these regions is correct?

The magnetic force in region X is less than in region Y.

Correct Incorrect Correct answer

The magnetic force in region X is greater than in region Y.

Correct Incorrect Correct answer

The magnetic force in region X and in region Y is about zero.

Correct Incorrect Correct answer

The magnetic force in region X is about the same as in region Y.

Correct Incorrect Correct answer

A scientist wants to determine how much current a particular instrument is drawing. If she knows how much voltage the instrument employs and how much resistance it presents, which principle must she use?

Ohm’s law

Correct Incorrect Correct answer

Electric flux

Correct Incorrect Correct answer

Coulomb’s law

Correct Incorrect Correct answer

Electromagnetic induction

Correct Incorrect Correct answer

Children on a turning bus feel a centrifugal force to the west. What is the direction of the centripetal force?

East

Correct Incorrect Correct answer

North

Correct Incorrect Correct answer

South

Correct Incorrect Correct answer

West

Correct Incorrect Correct answer

Which of the following can be a result of friction on a moving object?

Centripetal acceleration

Correct Incorrect Correct answer

An increase in the object’s speed

Correct Incorrect Correct answer

Movement of a fluid surrounding the object

Correct Incorrect Correct answer

A net force in the direction of the object’s velocity

Correct Incorrect Correct answer

A softball player throws a ball at a moderately upward angle to the ground. Which term best describes the motion of the ball?

Linear

Correct Incorrect Correct answer

Nonlinear

Correct Incorrect Correct answer

Stationary

Correct Incorrect Correct answer

Rotational

Correct Incorrect Correct answer

How is an airbag useful in car accidents?

The airbag increases the force exerted by the driver.

Correct Incorrect Correct answer

The airbag decreases the force exerted by the driver.

Correct Incorrect Correct answer

The airbag increases the velocity exerted by the driver.

Correct Incorrect Correct answer

The airbag decreases the velocity exerted by the driver.

Correct Incorrect Correct answer

A stationary object can possess which of the following?

Impulse

Correct Incorrect Correct answer

Momentum

Correct Incorrect Correct answer

Kinetic energy

Correct Incorrect Correct answer

Potential energy

Correct Incorrect Correct answer

Which parameter is always a vector?

Acceleration

Correct Incorrect Correct answer

Mass

Correct Incorrect Correct answer

Speed

Correct Incorrect Correct answer

Velocity

Correct Incorrect Correct answer

A man applies a force to a wall by pushing on it. What does the wall do in response?

The wall applies a greater force in the same direction.

Correct Incorrect Correct answer

The wall applies a smaller force in the opposite direction.

Correct Incorrect Correct answer

The wall applies a force of equal magnitude in the same direction.

Correct Incorrect Correct answer

The wall applies a force of equal magnitude in the opposite direction.

Correct Incorrect Correct answer

Which statement best describes the motion of smooth ball thrown into the air on a calm day?

The ball follows a line.

Correct Incorrect Correct answer

The ball follows a circular path.

Correct Incorrect Correct answer

The ball follows an erratic path.

Correct Incorrect Correct answer

The ball follows a parabolic path.

Correct Incorrect Correct answer

Which of the following creates electromagnetic waves?

An electron that is stationary

Correct Incorrect Correct answer

An electron that is approaching a proton

Correct Incorrect Correct answer

An electron that is moving at a constant velocity

Correct Incorrect Correct answer

An electron that is moving at a decreasing velocity

Correct Incorrect Correct answer

An observer reports seeing a large, far-off explosion before feeling rumbles in the ground. Which explanation best accounts for this difference?

The electromagnetic waves have a greater frequency than the mechanical waves.

Correct Incorrect Correct answer

The electromagnetic waves have a greater amplitude than the mechanical waves.

Correct Incorrect Correct answer

The electromagnetic waves have a greater wavelength than the mechanical waves.

Correct Incorrect Correct answer

The electromagnetic waves have a greater wave speed than the mechanical waves.

Correct Incorrect Correct answer

One isotope of a particular element is neutral, and a different isotope of that element is an ion. Which conclusion is correct?

One isotope has more protons than the other.

Correct Incorrect Correct answer

One isotope has more electrons than the other.

Correct Incorrect Correct answer

Both isotopes have the same number of neutrons.

Correct Incorrect Correct answer

Both isotopes have the same number of nucleons.

Correct Incorrect Correct answer

What is used to measure the volume of a liquid?

Barometer

Correct Incorrect Correct answer

Thermometer

Correct Incorrect Correct answer

Electric balance

Correct Incorrect Correct answer

Graduated cylinder

Correct Incorrect Correct answer

Which situation best illustrates Newton’s first law of motion?

A ball that is on a flat surface accelerates as a piston pushes it.

Correct Incorrect Correct answer

A ball that is rolling on a flat surface maintains the same velocity.

Correct Incorrect Correct answer

A ball that is on a sloped surface rolls down the slope because of gravity.

Correct Incorrect Correct answer

A ball that is stationary on a flat surface does not fall despite the downward force of gravity.

Correct Incorrect Correct answer

What is the mass of a student who jumps off the 3.0 m high bleachers after the school team wins the state championship if that student’s potential energy was 1900 J?

32 kg

Correct Incorrect Correct answer

65 kg

Correct Incorrect Correct answer

78 kg

Correct Incorrect Correct answer

97 kg

Correct Incorrect Correct answer

Which explanation best describes why individuals restrained on a spinning theme-park ride feel like they are being forced outward from the center of rotation?

They are undergoing linear motion.

Correct Incorrect Correct answer

They are experiencing no acceleration.

Correct Incorrect Correct answer

They are feeling the restraints pull them inward.

Correct Incorrect Correct answer

They are accelerating outward from the center of rotation.

Correct Incorrect Correct answer

The electric field at a certain location is 100 newtons per coulomb. What would be the electric force exerted on an electrically neutral object placed at that location?

0 newtons

Correct Incorrect Correct answer

50 newtons

Correct Incorrect Correct answer

100 newtons

Correct Incorrect Correct answer

200 newtons

Correct Incorrect Correct answer

A patient has a fever of 105°C. Which of the following is this value in Fahrenheit?

137

Correct Incorrect Correct answer

157

Correct Incorrect Correct answer

189

Correct Incorrect Correct answer

221

Correct Incorrect Correct answer

Given the cooling curve below, what is the melting point of titanium?

500°C

Correct Incorrect Correct answer

1500°C

Correct Incorrect Correct answer

1700°C

Correct Incorrect Correct answer

3300°C

Correct Incorrect Correct answer

Which of the following numbers has the smallest magnitude?

5.14 x 10⁻²⁷

Correct Incorrect Correct answer

4.65 x 10⁻¹⁹

Correct Incorrect Correct answer

2.87 x 10⁻¹⁶

Correct Incorrect Correct answer

5.29 x 10⁻⁷

Correct Incorrect Correct answer

Which of the following is a characteristic of a basic solution?

Tastes sour

Correct Incorrect Correct answer

Accepts OH⁻ ions

Correct Incorrect Correct answer

Turns litmus blue

Correct Incorrect Correct answer

Contains a lot of H₃O⁺ ions

Correct Incorrect Correct answer

If the vertical distance between the crest and trough of a wave is 10.0 meters, what is the wave’s amplitude?

2.50 meters

Correct Incorrect Correct answer

5.00 meters

Correct Incorrect Correct answer

10.0 meters

Correct Incorrect Correct answer

20.0 meters

Correct Incorrect Correct answer

Test Section Summary

Information

Results

Results

Categories

1. Question

2. Question

3. Question

4. Question

5. Question

6. Question

7. Question

8. Question

9. Question

10. Question

11. Question

Hint

12. Question

13. Question

14. Question

15. Question

16. Question

17. Question

18. Question

19. Question

20. Question

21. Question

22. Question

23. Question

24. Question

25. Question

26. Question

27. Question

28. Question

29. Question

30. Question

31. Question

32. Question

33. Question

34. Question

35. Question

36. Question

37. Question

38. Question

39. Question

40. Question

41. Question

Hint

42. Question

43. Question

44. Question

45. Question

46. Question

47. Question

48. Question

49. Question

50. Question

51. Question

52. Question

53. Question

54. Question

55. Question

56. Question

57. Question

58. Question

59. Question

60. Question