List of top Questions asked in CBSE CLASS XII

Self-motivation is important because
_ _ _ _ _ _ _ affects all aspects of an individual’s performance, even how he/she reacts to situations in life.
Minimizing waste and pollution problem has come a long way and the probable solution to this has been provided in 4Rs of sustainable development –
Barriers to Becoming an Entrepreneur
List and briefly explain the four steps involved in the working process of Big Data Analytics.
Describe the structure of an Artificial Neural Network by explaining its three fundamental layers, and define the role of the weights assigned to each connection between the nodes.
Define the terms ‘Data’ and ‘Data Visualization’. Explain the uses of the ‘Heat Map’ and ‘Candlestick Chart’ visualization types.
Differentiate between Generative AI and Discriminative AI based on their Purpose, Training Focus, Application, and Models.
What is bias in a neural network? Mention any one of its functions.
What is the role of preprocessing images in the computer vision process? How is it different from High Level Processing?
With reference to the steps of Data Science Methodology, define the process of data collection. Also differentiate between primary and secondary data sources of data collection with suitable examples.
Identify the language of the following sentence: “desce, ela sobe no baile, é pressão. Mina, linda,”
Define the term Data Storytelling. Mention any one reason why Data Storytelling has become very powerful today.
State any two risks associated with Large Language Models (LLMs) that arise from the training process or the training data.
Name any four evaluation metrics for classification.
Explain the role of green jobs in eco-tourism.
The key element "Visuals" in data storytelling refers to:
Give any four advantages of Presentation software.
Why are Large Language Models (LLMs) referred to as 'large'?
Who are called Business Entrepreneurs?
List out the problems faced by the person who lacks in communication skills.
Suggest any four techniques how a person can become result-oriented.
Variation from Artificial Intelligence (AI) are computer programs designed to learn from data and perform tasks in a unique way. What are their two main parts?
What is an Artificial Neural Network (ANN) with two or more hidden layers known as?
A computer vision system detects objects of interest in an image by drawing bounding boxes around them. This activity of identifying and locating multiple objects of interest within the image is called _ _ _ _ _ _ _ _ _ _ _ _ _ .