However, thesis defense is a necessary condition to get a diploma. You should check the examination subjects of your major and one of the thesis defense subjects. Besides, the thesis defense doesn't have to end the exam. Generally, colleges and universities will accept your thesis application only after passing more than half of the courses.
You can get a self-taught undergraduate certificate by defending your thesis.
However, if you want to get your bachelor's degree again, it depends on the requirements of your major in the school you are admitted to. Generally speaking, what is the required average score? In addition, degree English is also compulsory.
Read the information on the self-study website carefully, and don't lose big because of small things.
Finally, congratulations on your upcoming graduation.