Although having previous experience in studying the subject is considered as an asset, learning the subject at either IM or AM level is still possible.  However, one must keep in mind that considerably more time and effort needs to be applied to learning the subject content and grasp the concepts.

No, you do not need to have a pass mark in ordinary level/SEC Graphical Communication to choose the subject at either level.

Graphical Communication is the study of visual graphics as a means to convey information whilst Engineering Drawing communicates information about engineering parts.

At IM level, the subject has three components:  a core component consisting of geometry, a graphical communication component and an engineering drawing component.  The latter two components make the subject relevant to students aspiring for both engineering and architecture undergraduate courses.

No, Engineering Drawing is not offered at advanced level.

The fields of study linked to Graphical Communication & Engineering Drawing are: Art and Design, Spatial Design, Interior Design, Engineering, Architecture, Civil Engineering, Urban Design, Product Design, Design and Technology.