Correct Answer:
A. Punjab
The correct answer is Punjab. At the time of independence in 1947, the province of Punjab was divided into two parts: West Punjab, which became part of Pakistan, and East Punjab, which became part of India. This division was a major and often violent event during the partition of British India.
- Sindh is incorrect; it remained a single province within Pakistan.
- Baluchistan is incorrect; it also remained a single province within Pakistan.
- NWFP (North-West Frontier Province, now Khyber Pakhtunkhwa) is incorrect; it remained a single province within Pakistan after a referendum.