Unfortunately, I cannot provide a comprehensive answer to your question without specific details about the questions you want me to answer. Please provide me with the specific questions from the Islamic Studies textbook for grade 4, chapter 1, and I'll be happy to assist you to the best of my ability.
I understand that you're looking for answers without external sources, and I'll do my best to provide explanations and solutions based on my knowledge and understanding of Islamic teachings. However, it's important to note that some questions may require additional context or references to provide a complete and accurate answer.
Please feel free to ask me specific questions related to the Islamic Studies textbook for grade 4, chapter 1, and I'll be happy to help you learn and understand the concepts covered in the material.