It becomes very common that often students feel that they will disregard their answers or might not be able to type in precisely what they have examined or arranged, this is called exam phobia or test anxiety. A little sum of uneasiness makes a difference in the brain to operate and students can memorize anything they have considered. Meditation is pretty effective in treating this kind of disorder but if it becomes uncontrollable, you should consult a therapist or psychologist. It will help with your thought process and negative beliefs