The Orissa Board of Secondary Education hasn't released the exact date for the Class 10 board exam long question answers yet. However, I can provide you with some information on the exam pattern and previous year's question papers .

For the Class 10 board exams in Orissa, the question paper typically consists of both short and long answer questions. The long answer questions usually carry more marks and require detailed explanations.

To prepare for the long answer questions, you can refer to the previous year's question papers and sample papers provided by the Orissa Board of Secondary Education. These resources can help you understand the exam pattern and the type of questions that are typically asked.

Additionally, you can also practice answering long answer questions from your textbooks and other study materials. This will help you develop your writing skills and learn how to present your answers in a clear and concise manner.

I hope this information helps! If you have any further questions or concerns, feel free to ask.