If possible please add these functionalists in this plugin

[grumpy-goblin]

Negative marks for wrong answers on the exam properties page.
Tag/Review button under questions for rechecking.
Clear answer button on each question to clear the particular response of that particular question.
different time for different section [ suppose one quiz has 4 categories Science, Maths, History, Geography. Total time 1 hour, Maths will come first for 20 minutes, then science for 20minutes, then hist and geo for 10 mins each. with submit section buttom on each section]
In the exam interface question navigation panel on right side [currently on the top].

[yuvayana]

Hi, most of these functions already implemented by us.
Negative Marking, Factional Marking, Clear Answer Button, Right Sided Layout, Student Dashboard to check result any time, Bulk marks assign feature etc.

You can check the demo from
http://wp-pro-quiz.examresultz.in/wp-admin/
demo
demo@123