One of the most searched questions on the web is what are elective subjects subjects or how are these subjects different from the core subjects. An elective subject (sometimes known as a ‘optional subject’) is the one that is not required (unlike core subjects). You get to choose the elective subjects you want to study. If your course requires you to select electives, your Study Plan will include a list of possibilities. Schools, colleges, universities, as well as other institutions offer choosing elective subjects in addition to all the core subjects to provide is it better learning experience and flOne of the most searched questions on the web is what are elective subjects subjects or how are these subjects different from the core subjects.exibility flexibility to the students. By choosing any elective subject students get to learn varied concepts that they might not be learning to be learning in the course objects. Something that is elective is something that you can do or not do. In education, an optional course is one that you take because you want to, rather than to fulfil a specific requirement, though you will still receive credit for it. Elective classes are available in high school and college. These subjects help the students in scoring good marks as their syllabus and curriculum is a little easy when compared to the core subjects.