Choose the correct one-word substitution for:
"A person who studies the origin and development of human societies and cultures."

Correct option is D

The correct one-word for the given group of words is (d) Anthropologist.
Explain the correct answer (with Hindi meaning): An anthropologist studies humans—their societies, cultures, evolution, and behavior, often through fieldwork and comparative analysis (Hindi: मानवशास्त्री). The discipline spans cultural/social anthropology and physical/biological anthropology.
Example: The anthropologist spent two years documenting the community’s rituals and kinship patterns.
Meanings of the given other options:
· (a) Sociologist: Studies social behavior, institutions, and group interactions (Hindi: समाजशास्त्री).
· (b) Historian: Studies and writes about past events (Hindi: इतिहासकार).
· (c) Archaeologist: Studies human history through excavation and analysis of material remains (Hindi: पुरातत्ववेत्ता).