relation b/w primary uom and secondary uom

what would happen if there is no relation between primary uom and secondary uom ?

Can we make an item lot,

Can we make an item lot, serial, lpn and loctor controlled ?

Ans : Yes, I dont find why it cant be.

Does oracle inventory provide this facility out of the box???

Ans: Yes it does, for LPN though you need to have Oracle WMS with oracle inventory

we need any kind of customization to achieve.

Ans: No you dont need any kind of customization