PASSPOINTPRO | D265 QUIZ 1
PASSPOINTPRO
WGU D265 Critical Thinking
REASON AND EVIDENCE
QUIZ 1
Propositions, Arguments, and Inference
50 Multiple-Choice Questions
Answers and Explanations Included
Focused Concept Review | Scenario-Based Practice
D265 Quiz 1 | Page 1
, PASSPOINTPRO | D265 QUIZ 1
Quiz Instructions
Directions: Choose the best answer for each question. Each item has one defensible answer. The correct
answer and explanation appear immediately after the options for guided review.
Coverage: Propositions, premises and conclusions, deductive and inductive reasoning, validity,
soundness, strength, cogency, conditional reasoning, unstated assumptions, argument structure,
quantifiers, counterexamples, and standards for evaluating support.
Quiz 1 - Questions 1-50
1. Which statement is a proposition?
A. Please close the library.
B. What time does the library close?
C. Wow, that library is enormous!
D. The library closes at 8:00 p.m.
Answer: D. The library closes at 8:00 p.m.
Explanation: A proposition asserts something that can be evaluated as true or false. The other choices either
describe a different reasoning concept or fail to satisfy the definition used in the question.
2. In an argument, what is a premise?
A. The statement that the argument is designed to support
B. A question that introduces the topic
C. A statement offered as support for another statement
D. Any emotionally powerful sentence
Answer: C. A statement offered as support for another statement
Explanation: A premise supplies a reason intended to support a conclusion. The other choices either describe a
different reasoning concept or fail to satisfy the definition used in the question.
3. In an argument, what is the conclusion?
A. A statement that provides background only
B. The claim the premises are intended to support
C. Every sentence appearing before an indicator word
D. An objection that defeats the argument
Answer: B. The claim the premises are intended to support
Explanation: The conclusion is the main claim inferred from the supporting premises. The other choices either
describe a different reasoning concept or fail to satisfy the definition used in the question.
D265 Quiz 1 | Page 2
, PASSPOINTPRO | D265 QUIZ 1
4. Which word most commonly signals a conclusion?
A. Therefore
B. Because
C. Given that
D. Since
Answer: A. Therefore
Explanation: Therefore usually introduces the claim drawn from earlier reasons. The other choices either
describe a different reasoning concept or fail to satisfy the definition used in the question.
5. Which phrase most commonly signals a premise?
A. Consequently
B. Thus
C. It follows that
D. Because
Answer: D. Because
Explanation: Because usually introduces a reason offered in support of a claim. The other choices either
describe a different reasoning concept or fail to satisfy the definition used in the question.
6. A speaker gives reasons intended to establish that a policy should change. What has the speaker
presented?
A. A definition
B. A report with no inference
C. An argument
D. A rhetorical question
Answer: C. An argument
Explanation: An argument connects supporting reasons to a claim the speaker wants the audience to accept.
The other choices either describe a different reasoning concept or fail to satisfy the definition used in the
question.
D265 Quiz 1 | Page 3
PASSPOINTPRO
WGU D265 Critical Thinking
REASON AND EVIDENCE
QUIZ 1
Propositions, Arguments, and Inference
50 Multiple-Choice Questions
Answers and Explanations Included
Focused Concept Review | Scenario-Based Practice
D265 Quiz 1 | Page 1
, PASSPOINTPRO | D265 QUIZ 1
Quiz Instructions
Directions: Choose the best answer for each question. Each item has one defensible answer. The correct
answer and explanation appear immediately after the options for guided review.
Coverage: Propositions, premises and conclusions, deductive and inductive reasoning, validity,
soundness, strength, cogency, conditional reasoning, unstated assumptions, argument structure,
quantifiers, counterexamples, and standards for evaluating support.
Quiz 1 - Questions 1-50
1. Which statement is a proposition?
A. Please close the library.
B. What time does the library close?
C. Wow, that library is enormous!
D. The library closes at 8:00 p.m.
Answer: D. The library closes at 8:00 p.m.
Explanation: A proposition asserts something that can be evaluated as true or false. The other choices either
describe a different reasoning concept or fail to satisfy the definition used in the question.
2. In an argument, what is a premise?
A. The statement that the argument is designed to support
B. A question that introduces the topic
C. A statement offered as support for another statement
D. Any emotionally powerful sentence
Answer: C. A statement offered as support for another statement
Explanation: A premise supplies a reason intended to support a conclusion. The other choices either describe a
different reasoning concept or fail to satisfy the definition used in the question.
3. In an argument, what is the conclusion?
A. A statement that provides background only
B. The claim the premises are intended to support
C. Every sentence appearing before an indicator word
D. An objection that defeats the argument
Answer: B. The claim the premises are intended to support
Explanation: The conclusion is the main claim inferred from the supporting premises. The other choices either
describe a different reasoning concept or fail to satisfy the definition used in the question.
D265 Quiz 1 | Page 2
, PASSPOINTPRO | D265 QUIZ 1
4. Which word most commonly signals a conclusion?
A. Therefore
B. Because
C. Given that
D. Since
Answer: A. Therefore
Explanation: Therefore usually introduces the claim drawn from earlier reasons. The other choices either
describe a different reasoning concept or fail to satisfy the definition used in the question.
5. Which phrase most commonly signals a premise?
A. Consequently
B. Thus
C. It follows that
D. Because
Answer: D. Because
Explanation: Because usually introduces a reason offered in support of a claim. The other choices either
describe a different reasoning concept or fail to satisfy the definition used in the question.
6. A speaker gives reasons intended to establish that a policy should change. What has the speaker
presented?
A. A definition
B. A report with no inference
C. An argument
D. A rhetorical question
Answer: C. An argument
Explanation: An argument connects supporting reasons to a claim the speaker wants the audience to accept.
The other choices either describe a different reasoning concept or fail to satisfy the definition used in the
question.
D265 Quiz 1 | Page 3
