Why examination is necessary for evaluation.

Here I am describing why examination is necessary for the evaluation.
As we know Evaluation is part of the whole process of change that is education and training. So we can say examination is necessary for checking of all years performance, As if we do any work in practical life, its final result will be called in evaluation.Training evaluation can help to describe the training objectives. Here I am explaining more about the examination evaluation. For example if we learn education in the schools, then in last teacher takes the exams for checking the student’s ability, because they want to know their performance. So they can evaluate student abilities.