All the details can be found in the assessment information book on the Biology 1A Moodle page. The noticeboard on Moodle will give an indication of what is covered in the exam.
Yes, in the Moodle Supporting your Learning block there is a mock exam paper, with multiple examples of the exam question formats included, as well as a file showing the answers.
For the Biology 1A exam you need to get a D3 or better to pass the course. We do not use percentages, they do not convert to grades. The full grade scale can be found in the student handbook in the life science moodle hub
You will find this in the uploads link where you submitted your work. It sometimes take a little bit of time but you should see a % score appear beside your submission that you can click to access your similarity report.