(A) Yahya Khan
(B) Ayub Khan
(C) Tikka Khan
(D) Iskandar Mirza
🧠 Explanation:
- The 1956 Constitution of Pakistan was the country’s first constitution, making it an Islamic republic.
- On 7 October 1958, Iskandar Mirza, then President of Pakistan, abrogated the constitution.
- He declared martial law and appointed General Ayub Khan
- Therefore, the correct answer is (D) Iskandar Mirza, who formally ended the 1956 Constitution.