Scientific Inventions Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.
21. Igor Sikorsky is famous for invention of
(a) Jet engine airplane
(b) Hydroplane
(c) Helicopter
(d) Glider
22. Who invented the first microwave oven
(a) Perry Spencer
(b) Mary Smith
(c) Stacy Richardson
(d) Paul Shockley
23. Which communication equipment invented by Guglielmo Marconi in 1901
(a) Radio
(b) Television
(c) Fax
(d) Telephone
24. Radioactivity was discovered by
(a) Henri Becquerel
(b) Marie Curie
(c) Newton
(d) Einstein
25. Atom Bomb was invented by
(a) Armstrong
(b) Otto Hahn
(c) J.C. Harrison
(d) Louis Pasteur
26. Who discovered X-rays
(a) Ernest Rutherford
(b) Niels Bohr
(c) Wilhelm Roentgen
(d) J. J. Thomson
27. James Watt is famous for invention of
(a) Steam boat
(b) Diving bell
(c) Steam engine
(d) Hot air balloon
28. Which device was invented in 1973 by Dr. Martin Cooper at Motorola
(a) Cordless phone
(b) Pager
(c) Cell phone
(d) Satellite phone
29. Who invented the floppy disk
(a) Intel Corporation
(b) IBM
(c) Digital Corporation
(d) Dell
30. Who invented the internal combustion engine
(a) Franco Modigliani
(b) Rudolf Diesel
(c) Carl Benz
(d) Jacques
31. Who defined the law of gravitation
(a) Newton
(b) Archimedes
(c) Galileo
(d) Faraday
32. Who invented the hydrogen bomb
(a) Oppenheimer
(b) Albert Einstein
(c) Samuel Cohen
(d) Edward Teller
33. Who invented the rabies vaccine
(a) Louis Pasteur
(b) Charles Pravaz
(c) Marie Curie
(d) William Morton
34. Which of the following was discovered by Ronald Ross
(a) Malaria parasite
(b) Cholera germs
(c) Jaundice germs
(d) None of these
35. For which invention is Alessandro Volta famous
(a) Light bulb
(b) Telephone
(c) Battery
(d) Camera
36. Who is known as the Father of Modern Chemistry
(a) Antoine Lavoisier
(b) Sir Humphrey
(c) Michael Faraday
(d) Robert Boyle
37. Who discovered neutrons
(a) Chadwick
(b) Thomson
(c) Rutherford
(d) Goldstein
38. Electron was discovered by
(a) Ernest Rutherford
(b) Max Planck
(c) Joseph Thomson
(d) Albert Einstein
39. Who started the first blood bank
(a) Konrad Lorenz
(b) Edward Jenner
(c) Alfred Wallace
(d) Charles Drew
40. Who was the first scientist to use an instrument for biological studies in 1665
(a) Robert Hooke
(b) Schwann
(c) Schleiden
(d) None of them
