CBSE Solutions — 2026–27
Welcome to the solutions section for Science at Advanced Level (Optional), Grade 9 for the academic session 2026–27. The book is published by the Academic Unit, Central Board of Secondary Education (CBSE).
This is a separate optional Advanced Science course alongside the regular Class 9 Science curriculum. It develops deeper scientific reasoning through Physics, Chemistry and Biology topics, with practical, analytical and application-based questions.
| S. No. | Chapter | Pages |
|---|---|---|
| 1 | Measurement – Foundation of Science | 4–8 |
| 2 | Understanding Motion through Experience | 9–14 |
| 3 | Newton’s Laws of Motion | 15–24 |
| 4 | The Geometry of Power – Advanced Simple Machines | 25–29 |
| 5 | Work and Energy | 30–33 |
| 6 | Structure of Atom | 34–41 |
| 7 | Chemical Bonding | 42–48 |
| 8 | Mixtures and their Separation | 49–53 |
| 9 | Microscope and Microscopy | 54–69 |
| 10 | Engineering Life: Miracles in Biotechnology | 69–86 |
Try each question independently before reading the solution. The aim is to understand the scientific principle, calculation, observation or reasoning—not simply copy the final answer.
The solutions on Saraswat Academy are being prepared from the Science at Advanced Level (Optional), Grade 9, 2026–27 book. Question wording and answers will be checked against the textbook before publication.