Moral theories intersect with questions on ethics in the UPSC syllabus through their application in evaluating decision-making scenarios. Understanding concepts like utilitarianism, deontology, and virtue ethics provides frameworks for assessing right and wrong. These theories assist in analyzing the ethical dilemmas faced by civil servants, tying theoretical knowledge to practical experiences. Candidates can utilize moral theories to justify their answers in examination contexts, thereby showcasing analytical capabilities. Engaging with contemporary issues through an ethical lens further solidifies understanding, making it crucial for personal and professional development in civil service.