Hello Sir,
I have some problem related to set Negative mark quiz on moodleplease guide me the whole process that how to set 1/3 negative marking quiz on moodle 1.9
Moodle 1.9 has been out of support for years. Use it at your own risk.
The feature you want was added in Moodle 2.1. (Released July 2011.) You need to upgrade.