Solutions of Class 9 BBC Module 7 Practice Assignment 25

The Class 9 BBC Module 7 Practice Assignment 25 consists of multiple-choice questions based on different topics related to science and technology. The solutions to these questions are as follows:

1. Which of the following is not a form of energy?
- Option (d) Water

2. Which of the following is not a renewable source of energy?
- Option (d) Coal

3. Which of the following is not a fossil fuel?
- Option (c) Solar

4. Which of the following is not a greenhouse gas?
- Option (d) Oxygen

5. Which of the following is not a characteristic of a good insulator?
- Option (a) Conductivity

6. Which of the following is not a type of energy?
- Option (d) Density

7. Which of the following is not a type of wave?
- Option (d) Static

8. Which of the following is not a property of light waves?
- Option (c) Magnetic

9. Which of the following is not a type of sound wave?
- Option (d) Static

10. Which of the following is not a type of electromagnetic radiation?
- Option (d) Acoustic

Conclusion
The above solutions provide a clear understanding of the different types of energy, renewable sources of energy, fossil fuels, greenhouse gases, insulators, types of waves, properties of light waves, types of sound waves, and electromagnetic radiation. These solutions will help the students to enhance their knowledge and prepare well for their exams.

Bbc compacta module 7 class 9