Machine Learning Algorithms MCQ

Test your knowledge with important Machine Learning Algorithms MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Machine Learning Algorithms MCQs at Bissoy

• Predicting with trees evaluate . . . . . . . . within each group of data.
  ক

  equality

  খ

  homogeneity

  গ

  heterogeneity

  ঘ

  all of the mentioned
• varImp is a wrapper around the evimp function in the . . . . . . . . package.
  ক

  numpy

  খ

  earth

  গ

  plot

  ঘ

  none of the mentioned
• What is the primary purpose of a k-means clustering algorithm in machine learning?
  ক

  To minimize prediction errors

  খ

  To group similar data points

  গ

  To perform unsupervised learning

  ঘ

  To visualize data relationships
• In machine learning, what is the term for the process of splitting the dataset into three parts: training, validation, and testing sets?
  ক

  Data Sampling

  খ

  Data Cleaning

  গ

  Data Splitting

  ঘ

  Data Transformation
• Which machine learning algorithm is commonly used for time series forecasting and predicting stock prices?
  ক

  Linear Regression

  খ

  Support Vector Machine (SVM)

  গ

  Recurrent Neural Network (RNN)

  ঘ

  Random Forest
• What is the primary purpose of a convolutional neural network (CNN) in machine learning?
  ক

  To perform dimensionality reduction

  খ

  To model sequential data

  গ

  To process grid-like data structures

  ঘ

  To classify images based on features
• In machine learning, what is the primary objective of a genetic algorithm?
  ক

  To maximize the margin between classes

  খ

  To minimize prediction errors

  গ

  To find optimal solutions

  ঘ

  To visualize data relationships
• Which machine learning algorithm is commonly used for anomaly detection, such as identifying outliers in a dataset?
  ক

  Decision Tree

  খ

  K-Means Clustering

  গ

  Isolation Forest

  ঘ

  Naive Bayes
• What is the primary goal of dimensionality reduction techniques like Principal Component Analysis (PCA) in machine learning?
  ক

  To increase model interpretability

  খ

  To reduce the size of the training dataset

  গ

  To perform unsupervised learning

  ঘ

  To visualize data relationships
• In machine learning, what is the term for the process of selecting the most important features or variables for modeling purposes?
  ক

  Data Sampling

  খ

  Data Wrangling

  গ

  Feature Engineering

  ঘ

  Data Reduction
• Which machine learning algorithm is commonly used for solving classification and regression tasks, such as speech recognition?
  ক

  Linear Regression

  খ

  K-Nearest Neighbors (KNN)

  গ

  Support Vector Machine (SVM)

  ঘ

  Recurrent Neural Network (RNN)
• What is the primary purpose of a Markov Chain Monte Carlo (MCMC) algorithm in machine learning?
  ক

  To perform matrix factorization

  খ

  To approximate complex probability distributions

  গ

  To visualize data relationships

  ঘ

  To minimize prediction errors
• In machine learning, what does the term "hyperparameter" refer to?
  ক

  Parameters learned during training

  খ

  Parameters manually set by the user

  গ

  Model performance metrics

  ঘ

  Data transformation techniques
• Which machine learning algorithm is commonly used for recommendation systems, such as suggesting products to online shoppers?
  ক

  K-Means Clustering

  খ

  Collaborative Filtering

  গ

  Principal Component Analysis (PCA)

  ঘ

  Support Vector Machine (SVM)
• What is the primary goal of reinforcement learning algorithms in machine learning?
  ক

  To minimize prediction errors

  খ

  To model sequential data

  গ

  To maximize cumulative rewards

  ঘ

  To visualize data relationships
• In machine learning, what is the primary purpose of cross-validation?
  ক

  To split data into training and testing sets

  খ

  To train models with different algorithms

  গ

  To visualize data relationships

  ঘ

  To maximize prediction accuracy
• Which machine learning algorithm is often used for image segmentation, where each pixel is classified into a specific category or class?
  ক

  K-Means Clustering

  খ

  Decision Tree

  গ

  Support Vector Machine (SVM)

  ঘ

  Fully Convolutional Network (FCN)
• What is the primary purpose of a Long Short-Term Memory (LSTM) network in machine learning?
  ক

  To visualize data relationships

  খ

  To minimize prediction errors

  গ

  To model sequential data

  ঘ

  To classify data points based on features
• In machine learning, what is the term for the process of finding the optimal parameters for a model to achieve better performance?
  ক

  Model Optimization

  খ

  Model Evaluation

  গ

  Model Training

  ঘ

  Model Selection
• Which machine learning algorithm is commonly used for time series forecasting and trend analysis?
  ক

  K-Nearest Neighbors (KNN)

  খ

  Decision Tree

  গ

  Linear Regression

  ঘ

  Long Short-Term Memory (LSTM)
• What is the primary goal of clustering algorithms like K-Means?
  ক

  To maximize the margin between classes

  খ

  To minimize prediction errors

  গ

  To group similar data points

  ঘ

  To visualize data relationships
• In machine learning, what is the term for the process of reducing the dimensionality of data while preserving as much information as possible?
  ক

  Data Reduction

  খ

  Data Encoding

  গ

  Feature Selection

  ঘ

  Data Normalization
• Which machine learning algorithm is commonly used for sequence prediction tasks like weather forecasting and stock price prediction?
  ক

  Linear Regression

  খ

  Random Forest

  গ

  Recurrent Neural Network (RNN)

  ঘ

  Principal Component Analysis (PCA)
• What is the primary purpose of a naive Bayes classifier in machine learning?
  ক

  To maximize the margin between classes

  খ

  To minimize prediction errors

  গ

  To classify data points based on features

  ঘ

  To perform unsupervised learning
• In machine learning, what is the primary advantage of using regularization techniques like L1 and L2 regularization?
  ক

  They improve model interpretability

  খ

  They reduce model complexity

  গ

  They maximize prediction accuracy

  ঘ

  They require more training data
• Which machine learning algorithm is used for text classification, language translation, and speech recognition?
  ক

  Random Forest

  খ

  Support Vector Machine (SVM)

  গ

  Naive Bayes

  ঘ

  Recurrent Neural Network (RNN)
• What is the primary goal of a recurrent neural network (RNN) in machine learning?
  ক

  To maximize the margin between classes

  খ

  To minimize prediction errors

  গ

  To model sequential data

  ঘ

  To visualize data relationships
• In machine learning, what is the term for the process of transforming categorical data into numerical format for modeling?
  ক

  Data Aggregation

  খ

  Data Encoding

  গ

  Data Normalization

  ঘ

  Data Imputation
• Which machine learning algorithm is suitable for clustering data points into groups based on similarity?
  ক

  Linear Regression

  খ

  Support Vector Machine (SVM)

  গ

  K-Means Clustering

  ঘ

  Principal Component Analysis (PCA)
• What is the primary goal of gradient boosting algorithms in machine learning?
  ক

  To maximize the margin between classes

  খ

  To minimize prediction errors

  গ

  To perform unsupervised learning

  ঘ

  To visualize data relationships