ISC Class 12 Biology Weightage 2023: Check Chapter-Wise Weightage Here

Chinmayai Bobade

Updated On: October 16, 2023 09:36 am IST

ISC Class 12 Biology Weightage 2023 is detailed on this page in a chapter-wise manner. Here are ISC 12th important topics as per their marks distribution for Biology paper.
ISC Class 12 Biology Weightage 2023

ISC CLASS 12 WEIGHTAGE 2023: The total weightage of ISC 2023 Biology exam is 100 marks which is divided into 70 marks for theory paper and 30 marks for practical exams. Further division of these marks as per the units has been provided by the CISCE board and the same is detailed here. Considering the options provided internally in the paper, ISC Biology 2023 question paper will be set for 80 marks in total out of which the candidate has to answer for 70 marks.

LATEST | ISC Class 12 Biology Chapter-Wise Weightage 2024

Knowing the chapter-wise weightage distribution is extremely important when preparing for ISC Class 12 2023 exam as this way, candidates can pick out the most relevant and important topics to focus on, and then go on in decreasing order. Thus, candidates can ensure that all the strong topics are prepared well, which will in turn increase their score.

Also Read | ISC Class 12 Exam Date Sheet 2023

 ISC Class 12 Biology Weightage 2023

The detailed weightage distribution for each chapter of ISC 12th Biology 2023 syllabus is as tabulated below:

Sr. No.

Unit/Chapter Name

Total Weightage

Unit 1

Reproduction

16 marks

1.

Sexual reproduction in flowering plants

2.

Human Reproduction

3.

Reproductive Health

Unit 2

Genetics and Evolution

15 marks

1.

Principles of inheritance and variation

2.

Molecular basis of Inheritance

3.

Evolution

Unit 3

Biology and Human Welfare

14 marks

1.

Human Health and Diseases

2.

Microbes in Human Welfare

Unit 4

Biotechnology and its Applications

10 marks

1.

Biotechnology - Principles and processes

2.

Biotechnology and its applications

Unit 5

Ecology and Environment

15 marks

1.

Organisms and Populations

2.

Ecosystem

3.

Biodiversity and its Conservation

Total

70 marks

Also Read | 

ISC Class 12 Physics Weightage 2023
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ISC Class 12 Biology Weightage 2023: Practical Exam

The division of the practical work and other internal assessments is made as per the following:

Parameter

Weightage

Practical Exam

15 marks

Project Work

10 marks

Practical File

5 marks


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