CBSE Class 12 Biology Chapter-Wise Weightage
Central Board of Secondary Education has released the class 12 Biology syllabus at the official website. Check out the chapter wise weightage here.
CBSE Class 12 Biology: The Central Board of Secondary Education has released the class 12 Biology 2022-23 syllabus at the official website, cbseacademic.nic.in. The authority has brought a change in the CBSE class 12 exam pattern. This year, only one exam will be held, unlike last year. However, there will be no changes in the CBSE class 12 syllabus.
CBSE class 12 Biology exam will be conducted into two sections, theory (70 marks) and practical (30 marks) and the overall marks of the Biology exam will be 100. The students will be asked both the MCQs and Application based questions. The total duration of time of both the theory and practical exams will be 3 hours. CBSE Class 12 Biology exam 2023 is scheduled to be conducted on March 16.
CBSE Class 12 Biology: Chapter Wise Weightage (Theory and Practical)
Theory Exam:
As per the official notification, marks allotted to the CBSE Class 12 Biology theory paper is 70. Check out the chapter-wise marks distribution here in the following table-
Unit | Title of the chapters | Marks |
VI | Reproduction | 16 |
VII | Genetics and evolution | 20 |
VIII | Biology and Human Welfare | 12 |
IX | Biotechnology and its applications | 12 |
X | Ecology and Environment | 10 |
Total | 70 |
Also read| CBSE Class 12 Biology Sample Paper 2023 PDF Download
Practical Exam:
Total allotted marks to the CBSE class 12 practical exam is 30. Also, check out the marks distribution of the CBSE class 12 Biology exam here-
Evaluation Scheme | Marks Distribution |
One major experiment | 5 |
One minor experiment | 4 |
Slide preparation | 5 |
Spotting | 7 |
Practical record+ Viva voce | 4 |
Investigatory Project and its project record 1+ Viva voce | 5 |
Total | 30 |
CBSE Class 12 Biology: Chapter-Wise Topics
Here the candidates can check the CBSE Class 12 Biology 2022-23 chapter-wise topics-
Unit Name | Chapters |
Reproduction |
|
Genetics and Evolution |
|
Biology and Human Welfare |
|
Biotechnology and its Applications |
|
Ecology and Environment |
|
To get detailed updates on the CBSE Class 12 Biology syllabus, click here
Also Read |
CBSE 12th Weightage 2023 (Subject-wise for all streams) |
CBSE 12th Sample Papers 2023 with Solutions |
CBSE 12th Question Bank 2023 PDF |
CBSE 12th Mathematics Blueprint 2023 |
CBSE 12th Physics Blueprint 2023 |
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