The UPSC mains essay paper typically includes questions that require candidates to articulate their thoughts on various topics. These can be abstract themes, current affairs, or social issues, requiring a balanced perspective and analytical depth. Questions may involve arguments, discussions on policy implications, or reflective essays addressing ethical dilemmas. It's essential for candidates to not only express opinions but also to connect ideas logically, demonstrate critical thinking, and articulate their arguments clearly. Effective writing skills, along with a nuanced understanding of subjects, are vital to perform well in this crucial component of the examination.