Step 1:  Go to exams and click on the test you want to check responses for.

Step 2:  Student list will apear, select student one by one and click on add marks.

Step 2:  Here you can check student answersheet and add marks or notes.

Step 2:  Click on save. Your marksheet is ready. once all the student answesheets are checked click publish button, the result will be published.