artificial-intelligence banner

Artificial Intelligence Multiple Choice Questions (MCQs) and Answers

Master Artificial Intelligence with Practice MCQs. Explore our curated collection of Multiple Choice Questions. Ideal for placement and interview preparation, our questions range from basic to advanced, ensuring comprehensive coverage of AI concepts. Begin your placement preparation journey now!

Q31

Q31 Which of the following algorithms uses a priority queue to manage the exploration of nodes?

A

Depth-first search

B

Breadth-first search

C

A* search

D

Hill climbing

Q32

Q32 What role does the heuristic function play in the A* search algorithm?

A

It ensures optimality

B

It estimates the cost to reach the goal

C

It guarantees completeness

D

It defines the search space

Q33

Q33 How would you implement a basic depth-first search (DFS) in Python?

A

Use a queue for node storage

B

Use a stack for node storage

C

Use a priority queue for node storage

D

Use a list for node storage

Q34

Q34 Which Python library can be used to implement search algorithms like A*?

A

matplotlib

B

networkx

C

Pandas

D

NumPy

Q35

Q35 What is the basic structure of a recursive depth-first search (DFS) in Python?

A

A loop to iterate through nodes

B

A function that calls itself

C

A priority queue

D

A global variable to track nodes

Q36

Q36 How would you modify a breadth-first search (BFS) algorithm to find the shortest path in an unweighted graph?

A

Add a heuristic function

B

Use a priority queue

C

Track the depth of each node

D

Use a stack

Q37

Q37 Your A* search algorithm is not finding the optimal solution. What could be wrong?

A

The heuristic is overestimating

B

The priority queue is too small

C

The graph is weighted

D

The nodes are not sorted

Q38

Q38 Your DFS algorithm is running indefinitely in a large graph. What is the likely issue?

A

The graph is cyclic

B

The stack is not large enough

C

The nodes are not connected

D

The algorithm is using a queue

Q39

Q39 Your greedy best-first search algorithm is not finding a valid solution. What might be the cause?

A

The heuristic function is not admissible

B

The search space is too large

C

The graph is unweighted

D

The algorithm is too simple

Q40

Q40 What is knowledge representation in AI?

A

The process of storing data

B

The way knowledge is organized and structured

C

A method to optimize algorithms

D

A programming language

Q41

Q41 Which of the following is a key characteristic of good knowledge representation?

A

Ambiguity

B

Compactness

C

Incompleteness

D

Complexity

Q42

Q42 What is the primary advantage of using semantic networks for knowledge representation?

A

They use a symbolic structure

B

They provide graphical representations

C

They store data in tables

D

They are easy to update

Q43

Q43 In knowledge representation, what does a frame represent?

A

A sequence of events

B

A static data structure

C

An organized set of facts

D

A loop in a program

Q44

Q44 What is the key difference between propositional logic and predicate logic in knowledge representation?

A

Propositional logic uses variables

B

Predicate logic uses variables and quantifiers

C

Propositional logic is graphical

D

Predicate logic cannot handle negation

Q45

Q45 Which of the following is a limitation of using rule-based systems for knowledge representation?

A

They are too complex

B

They cannot handle uncertainty

C

They require large databases

D

They are easy to maintain

Q46

Q46 Which of the following is an advantage of ontologies in knowledge representation?

A

They provide a universal truth

B

They enable data sharing and reuse

C

They simplify reasoning

D

They eliminate all ambiguities

Q47

Q47 In Python, which library would you use to work with ontologies and semantic networks?

A

NumPy

B

NetworkX

C

RDFlib

D

TensorFlow

Q48

Q48 How would you represent a simple knowledge base in Python using a dictionary?

A

Use a list of tuples

B

Use nested dictionaries

C

Use a string

D

Use a NumPy array

Q49

Q49 How would you implement a frame-based system in Python?

A

Use a list of lists

B

Use object-oriented programming

C

Use a set of rules

D

Use a single dictionary

Q50

Q50 Which Python library can be used to query a knowledge base represented as a graph?

A

Pandas

B

Scikit-learn

C

RDFlib

D

PyTorch

Q51

Q51 Your rule-based AI system is not handling exceptions correctly. What could be the issue?

A

The rules are too specific

B

There are too many rules

C

The system lacks a default rule

D

The rules are incorrect

Q52

Q52 Your frame-based system is not reasoning correctly. What could be the issue?

A

The frames are nested too deeply

B

The system is not using inference

C

The frames lack sufficient data

D

The frames are too complex

Q53

Q53 Your ontology-based AI is not finding relationships between concepts. What could be the cause?

A

The ontology is incomplete

B

The system is using the wrong algorithm

C

The concepts are unrelated

D

The graph is not connected

Q54

Q54 What is the primary goal of machine learning?

A

To write rules to solve problems

B

To enable computers to learn from data

C

To perform complex calculations

D

To create new programming languages

Q55

Q55 Which of the following is a type of supervised learning?

A

K-means clustering

B

Decision trees

C

Autoencoders

D

PCA

Q56

Q56 What is the difference between supervised and unsupervised learning?

A

Supervised learning uses labeled data, unsupervised does not

B

Unsupervised learning uses labeled data, supervised does not

C

Both use labeled data

D

Both use unlabeled data

Q57

Q57 Which machine learning algorithm is best suited for predicting continuous values?

A

Decision trees

B

K-means

C

Linear regression

D

Naive Bayes

Q58

Q58 In machine learning, what is the purpose of cross-validation?

A

To evaluate model performance

B

To prevent underfitting

C

To improve training speed

D

To collect more data

Q59

Q59 Which of the following is a common problem in machine learning models when training on imbalanced data?

A

Overfitting

B

Underfitting

C

Bias

D

Class imbalance

Q60

Q60 What is the difference between batch learning and online learning in machine learning?

A

Batch learning updates the model continuously

B

Online learning updates the model only once

C

Batch learning updates the model after seeing all data

D

Online learning processes the entire dataset at once

ad verticalad vertical
ad