a) Measles b) Chicken pox c) Malaria d) Cholera WHO suggests that there are major measles outbreaks currently occurring in…
Download PDF file of today’s important Pakistan Current Affairs 22 August 2019. These are top latest breaking news about pakistan…
A. Radar B. Ethyl gasoline C. Sonar D. Jet propulsion Explanation: Invented in 1937.
A. Leo H Baekeland B. Karl Benz C. Evangelista Torricelli D. Kirkpatrick Macmillan
A. Thomas Edison B. John Kruesi C. Jules Levy D. Alexander Graham Bell Explanation: John Kruesi was a mechanic for…
A. Charles Goodyear B. Leo Hendrik Baekeland C. Roy Plunkett D. Henry Ford Explanation: Leo Hendrik Baekeland invented the first…
A. Jethro Tull B. Arlo Guthrie C. Woodie Guthrie D. Thomas Hines Explanation: It was invented around the early 1700's.
A. 1915 B. 1934 C. 1923 D. 1942 Explanation: Milk Tray was introduced in 1915 in open boxes arranged on…
A. 1770 B. 1765 C. 1790 D. 1742 Explanation: The first toothbrush was made out of a bone and small…
A. John J. Loud B. Sir Frank Whittle C. Lewis E. Waterman D. Kirkpatrick Macmillan