Viva voce preparation — lab, project, Class 12 and thesis vivas

A viva voce is an oral examination, and in Indian schools, colleges and universities it decides a real share of practical and project marks. In Class 10 and 12 board practicals, the examiner asks about the experiment you performed, your record file and your project. In engineering, lab vivas are held at the end of each lab course, often by an external examiner, and the final-year project viva asks you to defend what your team built. Pharmacy, nursing, MBBS and physiotherapy students face practical and clinical vivas through their courses, and research students defend their thesis before an examiner or committee.

Examiners test understanding, not recall. In a physics practical they will ask why you took multiple readings or what the main source of error was. In a programming lab viva they will ask you to trace your code or explain the time complexity. In a project viva they want to know what you personally did, why you chose that approach and what its limitations are. Clinical vivas move from a case to the underlying mechanism and the next step in management. Nervous candidates often know the answer but lose marks by guessing, rambling or freezing.

Prepare by going back to the aim, principle and precautions of every experiment, and by explaining your project to someone who did not build it. Practise saying "I am not sure, but I think" and reasoning aloud, which examiners usually respect more than a confident guess.

ExamPilot’s AI examiner runs vivas for school practicals in science, commerce and humanities, engineering labs across CS, IT, electronics, electrical, mechanical and civil, final-year projects, pharmacy, nursing, MBBS and physiotherapy, and thesis defence.