Correct Answer:
D. Baluchistan
The Bolan Pass is a significant mountain pass located in the Baluchistan province of Pakistan. It is a crucial strategic and trade route connecting Quetta with the plains of Sindh, historically used by traders, invaders, and migrants.
- Punjab is known for its fertile plains and rivers in eastern Pakistan.
- Sindh is located in southeastern Pakistan, characterized by its desert and coastal areas.
- Khyber Pakhtunkhwa (formerly NWFP) is in northwestern Pakistan and is home to the famous Khyber Pass, which is distinct from the Bolan Pass.