Hello student. Here are the few tips where you can capture the attention of paper checker and there by you could get few more Marks for better presentation

1. Try to solve the questions in order, as in section wise. If you don't know a question, leave space and proceed to next. As far as possible don't jumble

2. For problems, make sure you avoid strike offs

3. Even the answer is wrong, make sure you write the procedure step wise in a clear and ordered way

4. In theoretical paper, use black pen for side headings or highlight the side headings

5. A proper separation between questions and sections would make the paper more presentable