Passage: Science has been the driving _____(1)_____ behind human progress for centuries. It has helped mankind _____(2)_____ diseases, explore space, and build modern civilisation. Scientific discoveries have completely _____(3)_____ the way we live and work. Without science, many of the _____(4)_____ we take for granted today would not exist. It is important that young people are _____(5)_____ to pursue careers in science and technology.
Q1. Science has been the driving _____ behind human progress.
barrier
force
problem
obstacle
सही उत्तर : 2