Artificial Intelligence MCQs with Answers
Practice important Artificial Intelligence MCQs with answers and explanations.
Chapter: 16
Q501:
What is inference in AI?
A. Executing a code
B. Storing a rule
C. Deriving new information from known data
D. Designing syntax
Correct Answer:
C
Chapter: 16
Q502:
The component in AI that performs inference is called:
A. Logic gate
B. Inference engine
C. Heuristic device
D. Rule matcher
Correct Answer:
B
Chapter: 16
Q503:
In logic, syntax refers to:
A. Meaning of statements
B. Structure of valid expressions
C. Truth of knowledge base
D. Inference accuracy
Correct Answer:
B
Chapter: 16
Q504:
Semantics in logic deals with:
A. Valid expressions
B. Legal syntax
C. Meaning of expressions
D. Truth tables
Correct Answer:
C
Chapter: 16
Q505:
“The cat drove the car” is syntactically correct but semantically:
A. Valid
B. Illegal
C. Correct
D. Non-sensible
Correct Answer:
D
Chapter: 16
Q506:
A proof system helps in:
A. Compiling programs
B. Representing diagrams
C. Manipulating statements to derive conclusions
D. Deleting premises
Correct Answer:
C
Chapter: 16
Q507:
In a proof, initial known statements are called:
A. Conclusions
B. Variables
C. Premises
D. Outputs
Correct Answer:
C
Chapter: 16
Q508:
Which rule allows you to derive β from α → β and α?
A. Modus Ponens
B. Modus Tolens
C. And-introduction
D. And-elimination
Correct Answer:
A
Chapter: 16
Q509:
Modus Tolens allows you to conclude:
A. β → α
B. ¬α from α → β and ¬β
C. α from β → α and β
D. α ∧ β from α
Correct Answer:
B
Chapter: 16
Q510:
Which rule allows deriving α ∧ β from α and β separately?
A. And-Elimination
B. Modus Ponens
C. And-Introduction
D. Modus Tolens
Correct Answer:
C
Chapter: 16
Q511:
Which rule allows deriving α from α ∧ β?
A. Modus Ponens
B. And-Elimination
C. And-Introduction
D. Modus Tolens
Correct Answer:
B
Chapter: 16
Q512:
What does the resolution rule in logic provide?
A. A way to increase knowledge
B. A single rule for proving assertions
C. Deleting axioms
D. A large rule set
Correct Answer:
B
Chapter: 16
Q513:
Which of the following is NOT a rule of inference?
A. Modus Ponens
B. Modus Tolens
C. And-Introduction
D. Resolution rule
Correct Answer:
D
Chapter: 16
Q514:
In AI inference, what is the advantage of the resolution method?
A. It uses many rules
B. It avoids semantic errors
C. It uses a single resolution rule
D. It is always slow
Correct Answer:
C
Chapter: 16
Q515:
Inference in logic always starts with:
A. Random guesses
B. Experiments
C. Premises or known facts
D. Hypotheses
Correct Answer:
C
Chapter: 16
Q516:
The reasoning that generalizes from specific observations is __________.
A. Deductive
B. Abductive
C. Inductive
D. Analogical
Correct Answer:
C
Chapter: 16
Q517:
Non-monotonic reasoning helps in maintaining __________.
A. heuristic memory
B. permanent truths
C. constant logic
D. truth dependencies
Correct Answer:
D
Chapter: 16
Q518:
The resolution rule reduces the number of __________.
A. inference steps
B. syntax errors
C. semantics
D. axioms
Correct Answer:
A
Chapter: 16
Q519:
The proof process uses rules and __________ to reach conclusions.
A. premises
B. memory
C. variables
D. syntax
Correct Answer:
A
Chapter: 16
Q520:
She might carry an umbrella due to rain or ________.
A. for raincoat
B. protection from sun
C. a stick
D. hailstorm
Correct Answer:
B