Timetable is a excellent way to organize your everyday study, to help you spread your workload.
Everything you do in preparation for your exams is homework, complete your homework on time.
The two words are written very differently, but pronounced the same. While you cannot learn every odd pronunciation, you can learn the most common ways to say sounds.
Always remember to practice more by writing rather than telling orally, as writing benefits one to remember the important points and improve the spellings, grammars, and handwriting.
Do some meditation or Yoga to relax your nerves.
Try to solve past years sample papers as much to get an idea of the questions comes in the exams and complete the exam on time.
Revise all important questions, running notes and spend more time in recollecting and discussing the answers, more diagrams as they are very important both in theory and practical exams.