PPSC Solved Past Papers MCQs, BRANCH OFFICER (BPS-17) IN THE PUNJAB PUBLIC SERVICE COMMISSION -2016, General Knowledge MCQsWhat is an Isthmus?A. Inland sea B. A large lagoon C. Narrow strip of land connecting two land masses D. Land formed at the mouth of river India-Pakistan Treaty for lndus Waters was signed in:Republic of Djibouti is located along which Sea?