Scientists & Scientific Discoveries
31 questions available
FILTER BY SUBTOPIC
Q21.Stethoscope was invented by ____ ?
Correct Answer: A
Stethoscope was invented by Rene Laennec. Historical scientific accounts credit this person, place, or event with the development described.
Q22.Telephone was invented by____?
Correct Answer: D
Telephone was invented by Alexander Graham Bell. Historical scientific accounts credit this person, place, or event with the development described.
Q23.The 2018 Nobel Prize in Physiology or Medicine has been awarded jointly to James P Allison and Tasuku Honjo for their discovery of which cancer?
Correct Answer: D
The 2018 Nobel Prize in Physiology or Medicine has been awarded jointly to James P Allison and Tasuku Honjo for their discovery of which cancer: Immunotherapy. Historical scientific accounts credit this person, place, or event with the development described.
Q24.The discovery of neutron became very late because ____ ?
Correct Answer: A
The discovery of neutron became very late because It does not carry any charge. Historical scientific accounts credit this person, place, or event with the development described.
Q25.What Enrico Fermi” invented?
Correct Answer: D
What Enrico Fermi” invented: Nuclear reactor. Historical scientific accounts credit this person, place, or event with the development described.
Q26.When were blue jeans invented in ____?
Correct Answer: C
When were blue jeans invented in 1870s. Historical scientific accounts credit this person, place, or event with the development described.
Q27.Who invented bifocal eyeglasses?
Correct Answer: B
Benjamin Franklin invented bifocal eyeglasses. Historical scientific accounts credit this person, place, or event with the development described.
Q28.Who invented Logarithm Tables?
Correct Answer: A
John Napier invented Logarithm Tables. Historical scientific accounts credit this person, place, or event with the development described.
Q29.Who invented the Hot Air Balloon?
Correct Answer: B
Montgolfier invented the Hot Air Balloon. Historical scientific accounts credit this person, place, or event with the development described.
Q30.Who invented the safety pin?
Correct Answer: C
Walter Hunt invented the safety pin. Historical scientific accounts credit this person, place, or event with the development described.
Q31.Who invented Hydrogen Bomb?
Correct Answer: C
Edward Teller is widely credited as the chief developer of the hydrogen (thermonuclear) bomb.