True or false multiple lane changes must be done individually going through the same procedures for each lane change

True

Explanation:

Each lane change must be done in the prescribed way of doing it. In case if multiple lane change is to be done, then the prescribed pattern for a single lane change is repeated multiple times.

It is neither advisable nor it is safe to change multiple lanes in one go and in one single style.  

Thus,  the given statement is true.

True

Explanation:

Each lane change must be done in the prescribed way of doing it. In case if multiple lane change is to be done, then the prescribed pattern for a single lane change is repeated multiple times. It is neither advisable nor it is safe to change multiple lanes in one go and in one single style.