Yes, there are practical exams in CBSE Class 7:

Introduction:
CBSE (Central Board of Secondary Education) is a renowned educational board in India that follows a comprehensive curriculum for students from Class 1 to Class 12. The board aims to provide a holistic education that includes not only theoretical knowledge but also practical skills. As a part of this approach, CBSE includes practical exams for various subjects, including Class 7.

Subjects with practical exams:
In Class 7, CBSE includes practical exams for the following subjects:

1. Science: The Science subject in Class 7 includes theoretical concepts as well as practical experiments. Students are required to perform experiments, record observations, analyze data, and draw conclusions. These practical exams assess the students' understanding of scientific concepts and their ability to apply their knowledge to real-life scenarios.

2. Mathematics: Though Mathematics is primarily a theoretical subject, CBSE also includes practical elements in the form of activities and projects. Students are required to solve problems, analyze data, and present their findings in a practical manner. These practical exams assess the students' problem-solving skills, logical reasoning, and application of mathematical concepts.

Assessment criteria:
During the practical exams, students are assessed based on various criteria, including:

1. Experimental skills: Students' ability to perform experiments, handle apparatus, and follow the correct procedure.

2. Observation and recording: Students' ability to observe accurately, record data systematically, and present it in a structured manner.

3. Analysis and interpretation: Students' ability to analyze the collected data, draw meaningful conclusions, and interpret the results.

4. Presentation skills: Students' ability to present their findings effectively, use appropriate graphs, charts, and diagrams, and communicate their ideas clearly.

5. Application of knowledge: Students' ability to apply the concepts learned in class to solve practical problems and real-life situations.

Preparation for practical exams:
To score well in practical exams, students should:

1. Understand the concepts: Have a clear understanding of the theoretical concepts related to the practical experiments.

2. Practice regularly: Regularly practice the experiments to develop the necessary skills and familiarity with the procedure.

3. Maintain a lab notebook: Maintain a well-organized lab notebook to record observations, data, and experimental details.

4. Analyze previous experiments: Analyze previous experiments to understand the types of questions that can be asked and the expected format of answers.

5. Seek guidance: Seek guidance from teachers or peers to clarify doubts and improve practical skills.

Conclusion:
CBSE Class 7 includes practical exams in subjects like Science and Mathematics. These exams assess students' practical skills, problem-solving abilities, and application of knowledge. By preparing systematically and practicing regularly, students can excel in these practical exams and enhance their overall understanding of the subjects.