ISC 12th Biology 2023 Chapter wise Weightage and Important Topics

Angana Nath

Updated On: November 22, 2022 02:31 pm IST

CISCE publishes the ISC 12th 2023 exam pattern and subject wise syllabus and important topics at official website. Here are the chapter wise weightage and important topics of ISC 12th Biology 2023 syllabus here. 
ISC 12th Biology 2023 Chapter wise Weightage

ISC 12th 2023 subject wise syllabus and exam pattern has been released by the Council for the Indian School Certificate Examination (CISCE) at the official website- cisce.org. ISC Class 12 Biology 2023 exam will be held in offline mode. The duration of the ISC 12th Biology 2023 paper is 3 hours. The duration of the ISC Class 12 Biology paper is 3 hours. Type of the Biology paper question is subjective. Check out the ISC 12th Biology 2023 exam division is highlighted in the following section-

  • Maximum marks for theory exam: 80 marks
  • Maximum marks for practical exam: 20 marks

Here are the design of the theoretical question paper of ISC Class 12 Biology Paper 2023-

Type of the questions

Marks

Very short answer questions

1 mark each

Short answer type questions – I

2 marks each

Short answer type questions – II

3 marks each

Value based questions

4 marks

Long answer type questions

5 marks each

Also Read: ISC 12th Physics 2023 Chapter Wise Weightage

ISC 12th Biology 2023 Chapter wise Weightage

Check out the ISC 12th Biology 2023 Chapter wise weightage here in the given table-

Unit

Total Weightage

Reproduction

16 Marks

Genetics and Evolution

15 Marks

Biology and Human Welfare

14 Marks

Biotechnology and its Applications

10 Marks

Ecology and Environment

15 Marks

Total

70 Marks

ISC 12th Biology 2023: Important Topics

Here are the important topics related to ISC 12th Biology 2023-

Unit Name

Important Topics

Reproduction

  • Sexual reproduction in flowering plants
  • Human Reproduction
  • Reproductive Health

Genetics and Evolution

  • Principles of inheritance and variation
  • Molecular basis of Inheritance
  • Evolution

Biology and Human Welfare

  • Human Health and Diseases
  • Microbes in Human Welfare

Biotechnology and its Applications

  • Biotechnology – Principles and processes
  • Biotechnology and its applications

Ecology and Environment

  • Organisms and Populations
  • Ecosystem
  • Biodiversity and its Conservation
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