CBSE Class 12 Data Science Syllabus 2025–26 | NCERT
CBSE Class 12 – Data Science Syllabus (2025–26)
Class: XII
Subject: Data Science
Board: Central Board of Secondary Education (CBSE)
📝 CBSE Class 12 Data Science – Question Pattern & Marking Scheme (2025–26)
Theory Examination
- Maximum Marks: 50
- Time: 2 Hours
Practical / Internal Assessment
- Marks: 50
Question Paper Structure (Theory)
- Section A: Very Short Answer / MCQs
- Section B: Short Answer Questions
- Section C: Long Answer / Case-Based Questions
✔ Internal choices provided as per CBSE norms
✔ Questions strictly based on NCERT Data Science curriculum
✔ Project work is compulsory and assessed in practicals
📘 CBSE Class 12 Data Science Syllabus (NCERT 2025–26)
| Unit | Chapter / Module | Learning Outcomes / Key Focus |
|---|---|---|
| Unit 1 | Introduction to Data Science | Understand the meaning, scope, applications and importance of Data Science in real life. |
| Unit 2 | Data Collection and Data Types | Learn sources of data, data collection methods, structured and unstructured data. |
| Unit 3 | Data Handling and Data Cleaning | Understand data preprocessing, cleaning techniques and handling missing data. |
| Unit 4 | Data Visualization | Learn graphical representation of data using charts, plots and dashboards. |
| Unit 5 | Statistical Tools for Data Analysis | Apply basic statistical concepts such as mean, median, mode, variance and correlation. |
| Unit 6 | Introduction to Python for Data Science | Understand Python basics, data types, libraries and simple data analysis programs. |
| Unit 7 | Data Analysis and Interpretation | Analyze datasets, draw conclusions and make data-driven decisions. |
| Unit 8 | Ethics in Data Science | Understand data privacy, data security, bias and ethical use of data. |
| Unit 9 | Data Science Project | Apply complete data science workflow to solve a real-world problem. |
🧪 Data Science Practical & Project Work (50 Marks)
- Practical Lab Exercises (Python & Data Handling)
- Data Science Project (Individual/Group)
- Project Report & Viva-Voce
- Use of datasets, visualization tools and analysis techniques
Assessment follows CBSE Skill Education & NCERT Data Science practical guidelines.
🔍 Related Keyphrases
- CBSE Class 12 Data Science Syllabus 2025–26
- Class 12 Data Science NCERT Chapter List
- CBSE Data Science Exam Pattern Class 12
- Class 12 Data Science Project Work
- CBSE Skill Subject Data Science
❓ FAQs – CBSE Class 12 Data Science
Q1. What is the total marks distribution for Class 12 Data Science?
The subject carries 100 marks — 50 marks theory and 50 marks practical/project work.
Q2. Is project work compulsory in Data Science?
Yes, Data Science project work is compulsory and carries significant weightage in practicals.
Q3. Is programming required for Class 12 Data Science?
Yes, basic Python programming is required, mainly for data handling and analysis.
Q4. What type of questions are asked in the theory paper?
The paper includes MCQs, short answer, long answer and case-based questions.
Q5. Is the Data Science syllabus fully based on NCERT?
Yes, the CBSE Class 12 Data Science syllabus is strictly based on NCERT and CBSE Skill Education guidelines.
