Alfred Nobel was associated with which invention? A) Telephone B) Dynamite C) Radio D) Telescope 👉 Correct Answer: B) Dynamite
Who invented the revolver? A) James Watt B) Richard Gatling C) Samuel Colt D) Alfred Nobel 👉 Correct Answer: C) Samuel Colt
Who invented the LASER? A) Albert Einstein B) Isaac Newton C) Charles H. Townes D) Michael Faraday 👉 Correct Answer: C) Charles H. Townes
Who discovered cathode rays? A) Rutherford B) J. J. Thomson C) Bohr D) Dalton 👉 Correct Answer: B) J. J. Thomson
Who discovered zero (0)? A) Greeks B) Romans C) Chinese D) Indians 👉 Correct Answer: D) Indians
Who discovered blood groups? A) Edward Jenner B) Karl Landsteiner C) William Harvey D) Louis Pasteur 👉 Correct Answer: B) Karl Landsteiner
Who discovered blood circulation in humans? A) Karl Landsteiner B) Alexander Fleming C) William Harvey D) Louis Pasteur 👉 Correct Answer: C) William Harvey
Who invented the telescope? A) Isaac Newton B) Johannes Kepler C) Galileo Galilei D) Copernicus 👉 Correct Answer: C) Galileo Galilei
Who invented the telephone? A) Thomas Alva Edison B) Alexander Graham Bell C) Marconi D) James Watt 👉 Correct Answer: B) Alexander Graham Bell
Which device was invented by Richard Gatling? A) Revolver B) Machine Gun C) Tank D) Bomb 👉 Correct Answer: B) Machine Gun
Who discovered the vaccine for smallpox? A) Louis Pasteur B) Alexander Fleming C) Edward Jenner D) Robert Koch 👉 Correct Answer: C) Edward Jenner
Which drug was discovered by Alexander Fleming? A) Vaccine B) Insulin C) Penicillin D) Quinine 👉 Correct Answer: C) Penicillin
Who developed the artificial heart? A) Edward Jenner B) William Kolff C) James Chadwick D) Louis Pasteur 👉 Correct Answer: B) William Kolff
Which fundamental particle was discovered by J. J. Thomson? A) Proton B) Neutron C) Electron D) Positron 👉 Correct Answer: C) Electron
Who experimentally discovered the proton? A) J. J. Thomson B) Rutherford C) Bohr D) Chadwick 👉 Correct Answer: B) Rutherford
Who experimentally discovered the neutron? A) Rutherford B) Bohr C) James Chadwick D) Dalton 👉 Correct Answer: C) James Chadwick
Who discovered the polio vaccine? A) Albert Sabin B) Edward Jenner C) Jonas Edward Salk D) Louis Pasteur 👉 Correct Answer: C) Jonas Edward Salk
What was invented by William Shockley? A) Laser B) Transistor C) Radio D) X-rays 👉 Correct Answer: B) Transistor
Who discovered oral polio drops? A) Jonas Salk B) Edward Jenner C) Albert Sabin D) Robert Koch 👉 Correct Answer: C) Albert Sabin
Which discovery led to the first Nobel Prize in Physics? A) Radio B) Laser C) X-rays D) Transistor 👉 Correct Answer: C) X-rays
