| Chapter Name | 1 mark | 2 mark | 3 mark | 4 mark | Expected weightage |
| Sensations and Responses | – | – | – | – | – |
| Windows of Knowledge | 1 | 1 | – | 1 | 7 |
| Chemical Messages for Homeostasis | – | 1 | – | – | 2 |
| Keeping diseases Away | 3 | 2 | 2 | 1 | 17 |
| Soldiers of defense | 1 | 2 | 3 | – | 14 |
| Unravelling Genetic Mysteries | 1 | 1 | 2 | 1 | 13 |
| Genetics of Future | – | – | – | – | – |
| The Paths Traversed by Life | – | – | – | – | – |
| Total score | 53 |
Plus Two – Second Term Chapter wise Weightage 2022
Plus Two – Second Term Chapter wise Weightage 2022 – Mathematics
Plus Two – Second Term Chapter wise Weightage 2022 – Physics
Plus Two – Second Term Chapter wise Weightage 2022 – Biology
Plus Two – Second Term Chapter wise Weightage 2022 – Chemistry
Plus Two – Second Term Chapter wise Weightage 2019
Plus Two – Second Term Chapter wise Weightage 2019 – Mathematics
Plus Two – Second Term Chapter wise Weightage 2019 – Physics
Plus Two – Second Term Chapter wise Weightage 2019 – Biology
Plus Two – Second Term Chapter wise Weightage 2019 – Chemistry
Plus One – Second Term Chapter wise Weightage 2022
Plus One – Second Term Chapter wise Weightage 2022 – Mathematics
Plus One – Second Term Chapter wise Weightage 2022 – Physics
Plus One – Second Term Chapter wise Weightage 2022 – Biology
Plus One – Second Term Chapter wise Weightage 2022 – Chemistry
