Fear of exams is found very high in students because they have to secure high grades in performance. Brainpage is not made in classroom and students have to write exact answers in the exams. Fear is the strongest factor of human emotions and other emotions such as love, hate, anger, pleasure, reward, failure, sadness and anxiety are its permutations.
The fear system of survival is sympathetic autonomic system of the brain responsible for flight, fight, freeze, fright and faint. In fact, fear is the default emotion of life that regulates the working mechanism of brain and it is generated in the posterior cingulate cortex of default mode network (DMN).