Upgrading is the best option. There are many nice new quiz features since 1.9.
Quiz
Warn Students About Unanswered Questions in a Quiz
གྲོས་བསྟུན་འདི་བསྡམས་ཡོདཔ་ལས་ ལན་གསལ་བརྐྱབ་མི་ཚུགས་
Upgrading is the best option. There are many nice new quiz features since 1.9.