Bio1A03 has no tutorials. You'll be having Labs.
Same with EnvirSci1A03. You'll be having Labs.
The tutorials for Psych 1X03 have been labelled as Cores (C01, C02, etc.).
And yes, you'll probably have to choose them on Solar when it opens up again.
Not sure if you've seen this, but you can check what courses have labs/tuts & at what times here:
https://adweb.cis.mcmaster.ca /mtt/