Yes, you can find additional exercises or practice questions in the NCERT textbooks for CBSE Class 9.

1. Additional Exercises:
NCERT textbooks for Class 9 usually contain additional exercises at the end of each chapter. These exercises are designed to provide students with extra practice and reinforce the concepts covered in the chapter. They typically include a variety of questions such as multiple-choice questions, fill in the blanks, short answer questions, and long answer questions. These additional exercises can be a valuable resource for students to test their understanding, improve their problem-solving skills, and prepare for exams.

2. Practice Questions:
In addition to the exercises provided at the end of each chapter, NCERT textbooks also include practice questions within the chapter itself. These questions are interspersed throughout the text and serve as checkpoints to test the student's comprehension as they progress through the chapter. These practice questions are designed to reinforce key concepts and help students apply their learning in practical scenarios. By solving these practice questions, students can develop a better understanding of the topic and build their confidence in solving similar problems.

3. Sample Papers:
Apart from the exercises and practice questions within the textbook, NCERT also provides sample papers for Class 9. These sample papers are model question papers that simulate the actual exam pattern and help students prepare for the final exams. They include a comprehensive set of questions covering all the topics from the textbook. Solving these sample papers can familiarize students with the exam format, improve their time management skills, and identify areas where they need to focus and improve.

4. Online Resources:
In addition to the exercises and practice questions in the textbook, there are various online platforms like EduRev that provide additional exercises and practice questions for CBSE Class 9. These platforms offer a wide range of resources, including solved examples, practice tests, and mock exams. Students can access these resources to supplement their textbook learning, gain more practice, and enhance their understanding and performance.

In conclusion, NCERT textbooks for CBSE Class 9 provide additional exercises, practice questions within the chapters, and sample papers to help students practice and strengthen their understanding of the concepts. Additionally, online platforms like EduRev offer a wealth of resources for further practice and preparation. By utilizing these resources, students can improve their problem-solving skills, boost their confidence, and excel in their exams.