Concept:Caste hierarchy refers to a graded ranking of all caste groups in society.
Explanation:It is a system of social stratification based on birth.
All caste groups are arranged in a ladder-like order from the highest to the lowest.
Some castes are placed at the top, while others are placed at the bottom.
In traditional Hindu society, Brahmins were placed at the top and Shudras at the bottom.
Caste also involves endogamy, hereditary occupation, and religious status.
Thus, caste hierarchy means placing all caste groups in one ranked sequence from highest to lowest.
Answer:Option C — A ladder like formation in which all the caste groups are placed from the 'highest' to the 'lowest' castes.