Improving your presentation and handwriting in Paper II of the UPSC Zoology Optional Subject requires a combination of preparation, practice, and attention to detail. Here are some key steps you can take to enhance your performance in this area:

1. Understand the Syllabus:
- Familiarize yourself with the syllabus for Paper II of the UPSC Zoology Optional Subject to gain a clear understanding of the topics and subtopics that you need to cover.
- Divide the syllabus into manageable sections and create a study plan to ensure comprehensive preparation.

2. Take Notes:
- While studying, take neat and organized notes. Use bullet points, headings, and subheadings to structure your notes effectively.
- Highlight key points and make use of diagrams, flowcharts, and tables to aid understanding and retention.
- Regularly review and revise your notes to reinforce your understanding of the subject matter.

3. Practice Writing:
- Set aside dedicated practice sessions to improve your handwriting. Use lined paper or a handwriting practice notebook.
- Focus on maintaining a consistent size and slant of letters. Pay attention to spacing between words and lines.
- Experiment with different writing tools (e.g., pens, pencils) to find the one that suits you best.
- Practice writing at a moderate pace, ensuring clarity and legibility.

4. Organize Your Answers:
- Structure your answers in a logical and coherent manner. Begin with an introduction, followed by main points in the body, and conclude with a summary or conclusion.
- Use headings and subheadings to clearly indicate the different sections of your answer.
- Underline or highlight important keywords or phrases to make your answer stand out.

5. Use Diagrams and Illustrations:
- Zoology often involves complex concepts and processes that can be better explained through visual aids. Incorporate relevant diagrams, illustrations, and figures in your answers.
- Label the diagrams clearly and provide a brief explanation alongside to enhance clarity.

6. Practice Mock Tests:
- Regularly practice solving previous years' question papers and mock tests within the stipulated time frame.
- This will help you improve your time management skills, develop a better understanding of the exam pattern, and familiarize yourself with the type of questions asked.

7. Seek Feedback:
- Share your answers with knowledgeable individuals, such as teachers, mentors, or fellow aspirants, and seek their feedback on your presentation and handwriting.
- Take note of their suggestions and work on incorporating them into your future practice sessions.

Remember, consistent practice and attention to detail are key to improving your presentation and handwriting in Paper II of the UPSC Zoology Optional Subject. Good luck!