Business risk is not examinable in relation to planning and risk assessment.
Candidates would not be asked a question requiring them to identify business risks in a scenario. However going concern indicators, which may technically be business risks, are examinable. ISA 570 is fully examinable as is the topic of going concern including going concern indicators.
To avoid confusing candidates, it would be preferable when teaching to refer to these as going concern indicators rather than business risks.