Who discovered that the Milky Way is just one of many distinct independent galaxy clusters across space? MCQ with Answer and Explanation
Question
Report Error
Discuss this Question (0)
Practice More Inventions and Discoveries Questions
Question #1
Report Error
Who is credited with inventing the modern ballpoint pen in 1938?
Correct Answer: Option C
Explanation:
Hungarian journalist László Bíró invented the first commercially successful ballpoint pen, which bears his name ('Biro') in many countries.
Hungarian journalist László Bíró invented the first commercially successful ballpoint pen, which bears his name ('Biro') in many countries.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
Report Error
Who discovered insulin, saving millions of lives affected by diabetes?
Correct Answer: Option A
Explanation:
Sir Frederick Banting, along with Charles Best and John Macleod, isolated insulin in 1921-1922.
Sir Frederick Banting, along with Charles Best and John Macleod, isolated insulin in 1921-1922.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
Report Error
Who discovered that the element Uranium is isolated from pitchblende mineral ores, naming it after a newly found planet?
Correct Answer: Option D
Explanation:
Klaproth isolated a uranium compound oxide in 1789, naming it in honor of Herschel's discovery of the planet Uranus.
Klaproth isolated a uranium compound oxide in 1789, naming it in honor of Herschel's discovery of the planet Uranus.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
No comments yet. Be the first to start the discussion!