MCAS Massachusetts Comprehensive Assessment System (MCAS)MCQ 5 — Questions and Answers
Question 1: A store sells apples for $1.25 each. How much would 8 apples cost?
- $8.00
- $9.00
- $10.00 (Correct answer)
- $12.50
Correct answer: $10.00
8 × $1.25 = $10.00.
Question 2: What is the primary role of producers in an ecosystem?
- To consume other organisms for energy
- To decompose dead organic matter
- To convert sunlight into food through photosynthesis (Correct answer)
- To regulate the population of herbivores
Correct answer: To convert sunlight into food through photosynthesis
Producers (plants) use photosynthesis to convert solar energy into chemical energy stored in food.
Question 3: Which sentence uses a comma correctly?
- She ran, jumped, and, fell.
- He ate lunch, and then he went to school. (Correct answer)
- The dog barked, loudly at the stranger.
- We went to the store and, we bought milk.
Correct answer: He ate lunch, and then he went to school.
A comma before a coordinating conjunction like 'and' correctly separates two independent clauses.
Question 4: Which of the following best describes the concept of supply and demand?
- When supply increases, prices always rise.
- When demand increases and supply stays the same, prices tend to rise. (Correct answer)
- Supply and demand only apply to agricultural products.
- When demand decreases, businesses always produce more.
Correct answer: When demand increases and supply stays the same, prices tend to rise.
Higher demand with unchanged supply creates scarcity, which drives prices upward.
Question 5: A triangle has angles measuring 45°, 45°, and 90°. What type of triangle is this?
- Equilateral triangle
- Scalene triangle
- Isosceles right triangle (Correct answer)
- Obtuse triangle
Correct answer: Isosceles right triangle
A triangle with two 45° angles and one 90° angle is both isosceles (two equal angles) and a right triangle.
Question 6: What was the main cause of the American Revolution?
- Colonists wanted to expand westward without British interference.
- Colonists opposed British taxation without colonial representation in Parliament. (Correct answer)
- Britain refused to allow colonists to trade with other countries.
- Colonists wanted to establish a monarchy of their own.
Correct answer: Colonists opposed British taxation without colonial representation in Parliament.
The central grievance was 'taxation without representation' — Parliament taxed colonists who had no elected representatives there.
Question 7: Which of the following best explains why authors use dialogue in fiction?
- To summarize the plot at the end of each chapter
- To reveal character traits and advance the plot through character interactions (Correct answer)
- To provide historical background about the story's setting
- To list the main themes of the story
Correct answer: To reveal character traits and advance the plot through character interactions
Dialogue reveals how characters think, feel, and relate to one another, while also moving the story forward.
A store sells apples for $1.25 each.
How much would 8 apples cost?