Generally, there is no mouse capability in the BIOS.Most all interaction uses the up/down arrows, the page up/down buttons and the ENTER key.If you hit the ENTER key, you get the screen below.
The appearance and features of the various BIOS configurations from various manufacturers vary significantly. Above, you can see that the 'Standard CMOS Features' is selected.
Some older drives don't have the capability to communicate that information to the BIOS and the parameters have to be set manually.
Thankfully, most of the older drives have been taken out of service.
Some of the newer motherboards have mouse capability but can be navigated with the arrow keys as well.
If you're going to buy a motherboard and want to be able to use a mouse when working with the BIOS presets, look for one with a UEFI BIOS interface.