Machine Learning Techniques Unit 4 – Artificial Neural Networks and Deep Learning: AKTU previous year questions
12 AKTU questions from Unit 4 (Artificial Neural Networks and Deep Learning) asked in 2025–2026, tagged by marks, year and topic. In short: about 23 marks of every paper come from this unit; the most asked topic is Derivation of Backpropagation Algorithm (8 times); 8 questions came back in a later year. The latest ones are listed below; on the page you can filter them by 2-mark or long questions, topic and repeats.
Unit 4 previous year questions
- Define activation function in neural networks. (2 marks, 2026, Types of CNN Layers)
- What is backpropagation in neural networks? (2 marks, 2026, Derivation of Backpropagation Algorithm)
- Explain perceptron and multilayer perceptron with neat diagram. (7 marks, 2026, Multilayer Perceptron)
- Derive the Backpropagation algorithm for training neural networks. (7 marks, 2026, Derivation of Backpropagation Algorithm)
- Explain the architecture of Convolutional Neural Networks (CNN). (7 marks, 2026, Concept of Convolutional Neural Network)
- Discuss applications of Deep Learning with suitable case studies. (7 marks, 2026, Introduction to Deep Learning)
- Derive the Backpropagation Algorithm for Multilayer Neural Networks. (7 marks, 2026, Derivation of Backpropagation Algorithm)
- Explain CNN architecture and different types of layers. (7 marks, 2026, Types of CNN Layers)
- Explain the role of the activation function in a perceptron. (2 marks, 2025, Perceptrons)
- What is gradient descent? (2 marks, 2025, Gradient Descent and the Delta Rule)
- Discuss the Self-Organizing Map (SOM) algorithm. How does SOM work for clustering and dimensionality reduction? Explain the differences between SOM and supervised learning models. (7 marks, 2025, Unsupervised Learning: SOM Algorithm and Its Variants)
- Describe the basic architecture of a convolution neural network (CNN) with help of diagram. (7 marks, 2025, Concept of Convolutional Neural Network)
Most asked Unit 4 topics
- Derivation of Backpropagation Algorithm – asked 8 times
- Types of CNN Layers – asked 6 times
- Gradient Descent and the Delta Rule – asked 4 times
Unit 4 question pattern
- 2-mark questions: 4 asked in 2025–2026
- 7-mark questions: 8 asked in 2025–2026
- About 23 marks from Unit 4 in every paper
- 8 questions were asked again in a later year
Unit 4 questions year by year
- 2026: 8 Unit 4 questions asked (46 marks across that year's papers)
- 2025: 4 Unit 4 questions asked (18 marks across that year's papers)