according to the sample paper for the new syllabus, they can test survey as part of the essay question. the essay question could combine multiple dot points from that elective.
the survey though is mainly for the Change in the Modern world section I think? ie there are short answers so u could be asked about anything including survey. https://syllabus.nesa.nsw.edu.au/as...uestions-new-hsc-modern-history-exam-2019.pdf