List of top Questions asked in CBSE CLASS XII

Which of the following is not a characteristic of entrepreneurship?
In the spreadsheet, you can see a worksheet with cells placed in _ _ _ _ but not _ _ _ _ .
It arises because of incentives or external rewards.
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.
Differentiate between Generative AI and Discriminative AI based on their Purpose, Training Focus, Application, and Models.
Define the terms ‘Data’ and ‘Data Visualization’. Explain the uses of the ‘Heat Map’ and ‘Candlestick Chart’ visualization types.
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 term Data Storytelling. Mention any one reason why Data Storytelling has become very powerful today.
Explain the role of green jobs in eco-tourism.
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.
Identify the language of the following sentence: “desce, ela sobe no baile, é pressão. Mina, linda,”
What is bias in a neural network? Mention any one of its functions.
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.
What is the role of preprocessing images in the computer vision process? How is it different from High Level Processing?
The key element "Visuals" in data storytelling refers to:
Why are Large Language Models (LLMs) referred to as 'large'?
Give any four advantages of Presentation software.
Suggest any four techniques how a person can become result-oriented.
List out the problems faced by the person who lacks in communication skills.
Who are called Business Entrepreneurs?