It's absolutely essential to prepare oneself well in advance to avoid last minute hurry.Sound preparation gives a sense of confidence which allows one to deal with stress during examinations!
Calmness. This is very useful tools that resides in our own mind. Although you see that it is difficult to answer question,take your time,think for a while what better answer you can give and then write the answer. I have applied in my own exam time and MARK MY WORDS it really works.
Stress in exam results from adequate preparation. It is possible that some questions appear very difficult in spite of good preparation. It is better not to lose calm. First answer the questions that you can. Later turn to difficult ones and reply to the best of your ability. If you do not know anser at all, it is okay to skip the queation. You will get best marks by doing the best that you can.
Those who study through out the year and prepare well in advance, go through many model paper tests, do not need to worry for exams.Rather they are excited about the paper.
Studying in a stressful and hurried situation surely won't benefit before the exams.Prepare well what you know,sleep at least for 5 hours,have nutricious food.