Which ancient culture based its standards of beauty on the appearance of individuals while naked?

The correct answer is the Greek culture, which placed a significant emphasis on the beauty of the human body, often exemplified through the ideals of physical perfection and aesthetics. The Greeks celebrated the form and proportions of the human figure, aspects that were reflected in their art and sculptures, which frequently depicted nude figures in various states of grace and athleticism. This cultural appreciation for the naked form was tied to their philosophical views on beauty, body, and the ideal human experience, leading to a rich tradition of athletic competitions like the Olympics where physical prowess and beauty were highly esteemed.

Roman culture did also admire beauty but was more influenced by practicality and grandiosity, often celebrating the clothed figure through their art and public life, rather than focusing specifically on the nude form. The Hebrew and Indian cultures had their own distinct beliefs and practices regarding beauty that did not emphasize nudity in the same way as the Greeks.