Tarbela Dam, the world's largest earth-filled dam, is built on which river?
Q1. Tarbela Dam, the world's largest earth-filled dam, is built on which river?
Answer: Indus
Explanation: Tarbela Dam sits on the Indus River in Khyber Pakhtunkhwa near Swabi. It was completed in 1976 and remains Pakistan's largest hydropower and storage project.