Revision and practice are key to performing well in exams. Here are some effective strategies to revise and practice the topics from the CBSE Class 9 syllabus:

1. Understand the Syllabus and Exam Pattern:
- Familiarize yourself with the entire syllabus to know the topics you need to revise.
- Understand the exam pattern, marking scheme, and the weightage of each topic.

2. Create a Study Schedule:
- Develop a realistic and well-structured study schedule.
- Allocate specific time slots for each subject and topic.
- Ensure you have enough time for revision and practice.

3. Take Comprehensive Notes:
- During regular classes or while studying, take detailed and organized notes.
- Highlight key points, formulas, definitions, and important concepts.
- Make separate notes for each subject or topic for easy reference.

4. Utilize Textbooks and Reference Guides:
- Use your textbooks, reference guides, and study materials provided by the school.
- Read the chapters thoroughly and understand the concepts.
- Make notes of important points and revise them regularly.

5. Solve Previous Years' Question Papers:
- Practice previous years' question papers to understand the exam pattern and types of questions asked.
- Analyze your performance and identify areas that need improvement.
- Focus on frequently asked questions and topics with higher weightage.

6. Practice with Sample Papers and Mock Tests:
- Solve sample papers and mock tests designed specifically for Class 9 exams.
- Set a timer and attempt these tests under exam-like conditions to improve time management.
- Evaluate your performance and identify weak areas to work on.

7. Group Study and Discussion:
- Form study groups with classmates and discuss different topics.
- Share knowledge, ask questions, and clarify doubts.
- Teaching others can also enhance your understanding of the subject.

8. Use Online Resources:
- Utilize online educational platforms like EduRev for additional study materials, revision notes, and practice questions.
- Watch educational videos or attend online classes for better understanding of complex topics.

9. Take Breaks and Stay Healthy:
- Take regular breaks during study sessions to avoid burnout.
- Get enough sleep, eat a balanced diet, and exercise to stay physically and mentally fit.
- Avoid excessive use of electronic devices and distractions.

10. Revise Regularly:
- Allocate time for regular revision to reinforce the learned concepts.
- Review your notes, formulas, and important points frequently.
- Practice solving problems and questions related to each topic.

By following these strategies and maintaining a consistent study routine, you will be well-prepared to perform well in the CBSE Class 9 exams. Remember to stay focused, stay positive, and believe in your abilities.