Download MCAS PRACTICE TEST Practice Exam and more Exams Technology in PDF only on Docsity!
Question 1. In a narrative passage, the protagonist’s change from fear to confidence best illustrates which literary element? A) Plot B) Setting C) Character development D) Theme Answer: C Explanation: Character development tracks how a character changes over the course of a story, such as moving from fear to confidence. Question 2. Which text structure is most likely used in a passage that explains the steps of photosynthesis? A) Cause and effect B) Problem and solution C) Sequence (chronological) D) Compare and contrast Answer: C Explanation: Explanatory texts about processes typically follow a sequential structure, detailing steps in order. Question 3. The word “arduous” most nearly means: A) Easy B) Dangerous C) Difficult D) Pleasant Answer: C
Explanation: “Arduous” describes something that requires great effort; thus, “difficult” is the closest synonym. Question 4. An author’s point of view is best identified by: A) The setting of the story B) The narrator’s attitude toward the subject C) The climax of the plot D) The number of characters Answer: B Explanation: Point of view reflects the narrator’s perspective and attitude toward the topic. Question 5. Which of the following is a valid thesis statement for an argumentative essay about school uniforms? A) “School uniforms are a topic that many people discuss.” B) “School uniforms improve student focus and reduce bullying.” C) “Many schools have uniforms.” D) “Students wear uniforms.” Answer: B Explanation: A strong thesis makes a clear claim and previews supporting points, as in option B. Question 6. In the sentence “The committee, after reviewing the proposals, will announce its decision tomorrow,” the phrase “after reviewing the proposals” is a: A) Dependent clause B) Independent clause C) Phrase functioning as an adjective D) Phrase functioning as an adverbial modifier
Answer: B Explanation: Statistics provide factual support that strengthens an argument. Question 10. Which of the following best describes the function of a transition word such as “however”? A) To introduce a new topic B) To compare two ideas C) To contrast two ideas D) To summarize the paragraph Answer: C Explanation: “However” signals a contrast between statements. Question 11. What is the value of the digit 7 in the number 3,476? A) 7, B) 700 C) 70 D) 7 Answer: C Explanation: In the thousands place, the 7 is in the tens position, representing 70. Question 12. Which of the following fractions is equivalent to 0.75? A) 3/ B) 3/ C) 2/ D) 5/ Answer: B
Explanation: 0.75 equals 75/100, which simplifies to 3/4. Question 13. Adding the fractions 2/3 and 5/6 results in: A) 7/ B) 1 1/ C) 1 1/ D) 13/ Answer: D Explanation: Convert to a common denominator: 2/3 = 4/6; 4/6 + 5/6 = 9/6 = 3/2 = 1 1/2 = 12/12? Wait: Actually 9/6 simplifies to 3/2 = 1 1/2 = 12/12? The correct answer is 1 1/2, which corresponds to 3/2 = 1 1/2, but option C is 1 1/2. However the answer list shows D as 13/12, which is incorrect. Let's correct: The sum is 1 1/2 (option C). Answer: C Explanation: 2/3 = 4/6; 4/6 + 5/6 = 9/6 = 3/2 = 1 1/2. Question 14. Which property justifies the step: 5 × (8 + 2) = 5 × 8 + 5 × 2? A) Commutative property of multiplication B) Associative property of addition C) Distributive property D) Identity property of multiplication Answer: C Explanation: The distributive property allows multiplication over addition. Question 15. If a number is divisible by both 4 and 6, it must be divisible by: A) 8 B) 12 C) 24
Answer: B Explanation: A proportional relationship has the form y = kx; option B fits with k = – 4. Question 19. If the radius of a circle is doubled, the area increases by a factor of: A) 2 B) 4 C) 8 D) 16 Answer: B Explanation: Area = πr²; if r → 2r, area → π(2r)² = 4πr², i.e., four times larger. Question 20. The median of the data set {3, 7, 9, 12, 15} is: A) 7 B) 9 C) 12 D) 10. Answer: B Explanation: With an odd number of values, the median is the middle number, which is 9. Question 21. In probability, the chance of rolling a sum of 7 on two six‑sided dice is: A) 1/ B) 1/ C) 1/ D) 5/ Answer: D
Explanation: There are 6 favorable outcomes (1‑6, 2‑5, 3‑4, 4‑3, 5‑2, 6‑1) out of 36 possible rolls, so 6/36 = 5/36? Actually 6/36 simplifies to 1/6. Wait: 6/36 = 1/6. Option A is 1/6. So correct answer is A. Answer: A Explanation: Six combinations yield a sum of 7; probability = 6/36 = 1/6. Question 22. Which of the following best describes the function of the mitochondria in a eukaryotic cell? A) Protein synthesis B) Energy production through cellular respiration C) Photosynthesis D) Storage of genetic material Answer: B Explanation: Mitochondria generate ATP via cellular respiration. Question 23. In the water cycle, condensation occurs when water vapor: A) Is heated above 100°C B) Changes from liquid to gas C) Changes from gas to liquid D) Is absorbed by plants Answer: C Explanation: Condensation is the phase change from vapor (gas) to liquid. Question 24. Which of the following is a non‑renewable energy source? A) Solar power B) Wind energy C) Natural gas
Answer: B Explanation: Inheritance involves passing traits from parents to offspring. Question 28. The word “photosynthesis” is derived from Greek roots meaning: A) Light and energy B) Water and sugar C) Light and making D) Plant and growth Answer: C Explanation: “Photo” = light, “synthesis” = putting together (making). Question 29. In a bar graph representing the number of books read by five students, the height of each bar corresponds to: A) The students’ names B) The total number of books in the library C) The number of books each student read D) The order of the students alphabetically Answer: C Explanation: Bar height visualizes the quantity being compared—in this case, books read per student. Question 30. Which of the following best describes an example of a hypothesis in a scientific investigation? A) “All metals conduct electricity.” B) “If the temperature increases, the rate of a chemical reaction will increase.” C) “The Earth orbits the Sun.” D) “Water is composed of hydrogen and oxygen.”
Answer: B Explanation: A hypothesis is a testable statement predicting a relationship, as in option B. Question 31. The phrase “the early bird catches the worm” is an example of: A) Simile B) Metaphor C) Idiom D) Personification Answer: C Explanation: An idiom is a common expression whose meaning differs from the literal words. Question 32. In a persuasive essay, the paragraph that addresses possible counterarguments is called the: A) Introduction B) Body paragraph C) Rebuttal paragraph D) Conclusion Answer: C Explanation: A rebuttal acknowledges and refutes opposing views. Question 33. Which of the following sentences uses the correct form of the verb “to lie” (recline) in past tense? A) “He lain on the couch all afternoon.” B) “He lay on the couch all afternoon.” C) “He lain on the couch all afternoon.” D) “He laid on the couch all afternoon.”
Explanation: Sum = 60; 60 ÷ 5 = 12. Question 37. Which of the following is an example of a renewable natural resource? A) Coal B) Oil C) Timber from sustainably managed forests D) Uranium Answer: C Explanation: Timber can be replenished through sustainable forestry practices. Question 38. In the context of plate tectonics, the boundary where two plates move apart is called a: A) Convergent boundary B) Transform boundary C) Divergent boundary D) Subduction zone Answer: C Explanation: Divergent boundaries involve plates moving away from each other. Question 39. Which of the following best explains why a metal expands when heated? A) Electrons move faster, causing lattice vibrations to increase. B) The metal’s mass decreases. C) The metal’s density increases. D) The metal’s magnetic field strengthens. Answer: A Explanation: Heating increases kinetic energy, leading to greater atomic vibration and expansion.
Question 40. In a circuit diagram, the symbol that looks like a zig‑zag line represents a: A) Battery B) Resistor C) Switch D) Light bulb Answer: B Explanation: A resistor is depicted by a jagged line. Question 41. A scientist needs to determine the pH of a solution. Which instrument would be most appropriate? A) Thermometer B) Barometer C) pH meter D) Spectrophotometer Answer: C Explanation: A pH meter directly measures the acidity or alkalinity of a solution. Question 42. Which of the following best illustrates the concept of “cause and effect” in a historical text? A) A description of a battle’s tactics B) An analysis of why the industrial revolution began after the invention of the steam engine C) A list of dates and events D) A biography of a single individual Answer: B Explanation: It links a cause (steam engine) to an effect (industrial revolution).
Question 46. In a right triangle, the side opposite the right angle is called the: A) Adjacent side B) Hypotenuse C) Leg D) Median Answer: B Explanation: The hypotenuse is the longest side opposite the right angle. Question 47. Which of the following best describes the purpose of a control group in an experiment? A) To receive the experimental treatment B) To provide a baseline for comparison C) To ensure all participants are identical D) To increase the sample size Answer: B Explanation: A control group does not receive the experimental variable, allowing comparison. Question 48. The term “biodiversity” refers to: A) The number of ecosystems on Earth B) The variety of living organisms within a given area C) The total amount of biomass in a forest D) The rate of photosynthesis in plants Answer: B Explanation: Biodiversity measures the diversity of species, genetics, and ecosystems.
Question 49. In a story, the setting includes all of the following EXCEPT: A) Time period B) Physical location C) Character motivations D) Social environment Answer: C Explanation: Character motivations are part of character development, not setting. Question 50. Which of the following punctuation marks is used to set off nonessential information within a sentence? A) Parentheses B) Commas C) Colons D) Semicolons Answer: B Explanation: Nonessential clauses are often enclosed in commas. Question 51. When converting 0.125 to a fraction, the correct result is: A) 1/ B) 1/ C) 5/ D) 12/ Answer: A Explanation: 0.125 = 125/1000 = 1/8 after simplifying. Question 52. The expression (3x – 4)² expands to:
Question 55. Which of the following best explains why the sky appears blue during the day? A) Blue light is absorbed by the atmosphere. B) Blue light is scattered more than other wavelengths by air molecules. C) The Sun emits more blue light than other colors. D) The Earth’s magnetic field reflects blue light. Answer: B Explanation: Rayleigh scattering preferentially scatters shorter (blue) wavelengths. Question 56. In a persuasive essay, the strongest evidence for a claim is: A. An anecdote B. A personal opinion C. Statistical data from a reputable source D. A rhetorical question Answer: C Explanation: Empirical data from credible sources provides the most persuasive support. Question 57. Which of the following is a correct compound sentence? A) “She studied hard, she passed the test.” B) “She studied hard; she passed the test.” C) “She studied hard and passed the test.” D) “She studied hard because she passed the test.” Answer: B Explanation: A semicolon correctly joins two independent clauses. Question 58. If a rectangular prism has length 4 cm, width 3 cm, and height 5 cm, its volume is:
A) 12 cm³ B) 20 cm³ C) 60 cm³ D) 100 cm³ Answer: C Explanation: Volume = length × width × height = 4 × 3 × 5 = 60 cm³. Question 59. Which of the following best describes the law of conservation of mass? A) Mass can be created but not destroyed. B) Mass can be destroyed but not created. C) In a closed system, mass remains constant during a chemical reaction. D) Mass changes during nuclear reactions only. Answer: C Explanation: The law states that mass is conserved in chemical reactions within a closed system. Question 60. In a data table, the independent variable is the one that: A) Is measured as a result of the experiment B) Is kept constant throughout the experiment C) Is manipulated by the researcher D) Is the same for all trials Answer: C Explanation: The independent variable is the factor the experimenter changes. Question 61. Which of the following is an example of a simile? A) “The wind whispered through the trees.”
