A. The stones did not allow vegetation to grow on railway tracks.
B. To keeps water from reaching the track on a regular basis & softening the ground.
C. To hold the wooden cross ties in place, which in turn hold the rails in place. D. All of the these
General Knowledge Mcqs consists of World Geography, Atmosphere, Science & Literature, events Mcqs, Current Affairs Mcqs , Pakistan Affairs Mcqs and International Organizations. These general knowledge questions are very important for all type of exams conducted by Fpsc, Nts, Kppsc, Ppsc, Spsc, Bpsc, Ots, Uts, Pts, Cts, Ats, etea and other testing agencies of Pakistan.