Everyday Science MCQs, JUNIOR CLERK (BPS 11) PUNJAB PUBLIC SERVICE COMMISSION (S&GAD) 2016, PPSC Solved Past Papers MCQsWhich of the following is the smallest planet in our Solar System is:A. Venus B. Mercury C. Neptune D. Uranus N.A.T.O is abbreviation of:Sir Syed was extremely impressed by the education system of which country?