1) August 21 2) August 20 3) August 19 4) August 18 Explanation: The World Senior Citizen Day was observed…
a) UNESCO b) UNICEF c) WHO d) World Bank As per the report ‘Quality Unknown: The Invisible Water Crisis’released by…
a) September 30th b) October 1st c) October 31st d) November 30th British Prime Minister Boris Johnson stated recently that…
a) Measles b) Chicken pox c) Malaria d) Cholera WHO suggests that there are major measles outbreaks currently occurring in…
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…