Present the choices in the random order every time quiz is taken.
Present the questions in the random order every time quiz is taken.
Keep score of how many questions the candidate got right.
Provide instant feedback to the user if the answer was right.
At the end of the quiz user will know how many answers were right.
Add pictures along with question or choices.
For programming related qyizzes disable copy paste.
For programming related quizzes enable full screne mode.