My apologies. I didn't check and assumed this was Monash Biomed, but it should likely be applicable for UoM too. They get a number of students who likely would've missed the first semester as well.
The biomed course is only available in sem1 intake and there are many compulsory subjects aside.
Deferring is not quite the same as the intake itself. It means that you have been given an offer, accepted that offer and have chosen to halt your studies temporarily. This is typically allowed, particularly if you're coming from a country that doesn't end their school year at the end of the year like Australia (we get our results in December). As I previously mentioned, double check with UoM before doing this, as not all departments allow this to happen.
What you mean is that if I can defer one semester in semester 1 in 2018, I could skip my sem1 subjects temporary and resume my studies like others?
What I meant is that you can often stagger your units, even compulsory ones, as long as you eventually do them. It might be easier to think of it as a 'flipped degree'. Typically in first year, the units in semester 1 are not pre-requisites for semester 2 for this purpose. This trend sometimes continue into further years (usually you just need one unit from the previous
year, rather than the previous
semester).
This is essentially what your degree would look like in this scenario, according to
this:
Spoiler
1st semester 2018: accept offer + defer semester for reasons you listed
2nd semester 2018: start uni + complete compulsory first year second semester units (BIOL10003 + MAST10011/ MAST10016 + PHYC10007/ PHYC10006 + choose 1 unit - Note: typical starting full-time workload is 4 units.)
1st semester 2019: compulsory first year first semester units you missed + other units (BIOL10002 + CHEM10006 + MAST10011/ MAST10016 - whichever one you missed + choose 1 unit)
2nd semester 2019: start second year second semester units + other units (BIOM20002 [2 units' worth] + choose 2 units)
1st semester 2020: second year first semester units + other units (BIOM20001 [2 units' worth] + choose 2 units)
2nd semester 2020: third year second semester + other units (BIOM30001 + choose 3 units)
1st semester 2021: third year first semester + conclude degree if you passed all units (BIOM30002 + choose 3 units)
Note that wherever I wrote "choose [insert number] unit(s)", these usually are subjects that count towards the major, biomed/science discipline subjects or breadths (see "Degree Structure" from blue link above).
Again, I would highly recommend that you check this sort of thing with the university, just to be fully certain.