WBCHSE Class 12 Biology Syllabus 2021-22

Biology is the study of living world. Students can easily understand the concepts covered by referring to the West Bengal Board Class 12 Biology Syllabus. The subject is subdivided into specialised disciplines that enfolds origin, distribution, physiology, morphology, behaviour and anatomy. Biology also explains the mechanisms involved behind the functioning of the human body, other organisms and green life. Thus, the logical illustration of infinite Biological phenomena, presented in the simplest form using schematic diagrams, graphs, pictures and practicals makes this subject interesting. Referring to the WBCHSE Class 12 Biology Syllabus is the best way to get an overview of the concepts taught in class for the academic year.

West Bengal state board Class 12 Biological Sciences Syllabus is prescribed by the West Bengal Council of Higher Secondary Education, commonly known as WBCHSE. The board was established and attained autonomous status in the year 1975 and functions for regulating, developing higher secondary education in the state provinces of West Bengal.

The jury of subject matter experts from a Biology background has designed the syllabus in a creative way that sprouts interest among students and motivate them to study biology. The council has incorporated all principal disciplines of biology, that includes – Reproduction in Organisms, Genetics and Evolution, Biology and Human Welfare, Biotechnology and Its Applications, Ecology and Environment.

Download WBCHSE Class 12 Biological Sciences Syllabus 2021-22

Unitwise Marks Distribution from 2021-22 Syllabus

Unit Name Marks
Unit I: Reproduction Organisms 14
Unit II: Genetics and Evolution* 18
Unit III: Biology and Human Welfare 14
Unit IV: Biotechnology 10
Unit V: Ecology and Environment* 14

Unit I REPRODUCTION IN ORGANISM

1. Sexual Reproduction in Flowering plants

2. Human Reproduction

3. Reproductive Health

Unit- II GENETICS AND EVOLUTION

4. Heredity and Variation

5. Molecular Basis of Inheritance

6. Evolution

Unit-III BIOLOGY AND HUMAN WELFARE

7. Health and Diseases

8.  Microbes in Human Welfare

Unit- IV BIOTECHNOLOGY ITS APPLICATION 

9. Biotechnology and Its Application

Unit- V ECOLOGY AND ENVIRONMENT

10. Ecology Environment & Population

11. Biodiversity and Conservation

12. Environment Issues

Meanwhile, details of deleted portions for the previous year are mentioned below:

Download WBCHSE Class 12 Biological Science Deleted Portion 2020-21

West Bengal Class 12 Biological Sciences Deleted Portion

Stay tuned with BYJU’S for latest updates on Mathematics, Physics, Chemistry, Biology Textbooks and Previous year question papers of WBCHSE Class 12.

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