General Awareness · Science General

Inventors and Scientific Discoveries

4,454 Questions

This hub provides questions related to great inventors and their scientific discoveries. It covers the inventors of the telephone, radio, and microchips, alongside Nobel Prize winners. These facts are crucial for the general awareness section of major competitive exams.

Famous inventionsNobel Prize winnersScientific conceptsKey inventors

Inventors and Scientific Discoveries Questions

Multiple choice

Which scientist is widely credited with developing the theory of evolution by natural selection?

  1. Charles Darwin

  2. Alfred Russel Wallace

  3. Thomas Malthus

  4. Jean-Baptiste Lamarck
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Charles Darwin is widely recognized for developing the theory of evolution by natural selection, which explains how organisms with advantageous traits are more likely to survive and reproduce, passing on those traits to their offspring.

Multiple choice

Who is credited with inventing the first personal computer?

  1. Steve Jobs

  2. Bill Gates

  3. Charles Babbage

  4. Alan Turing
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Steve Jobs, along with Steve Wozniak, co-founded Apple Computer in 1976 and introduced the Apple I, widely regarded as the first personal computer.

Multiple choice

Who is credited with inventing the first mechanical television system?

  1. John Logie Baird

  2. Vladimir K. Zworykin

  3. Philo Farnsworth

  4. Charles Francis Jenkins
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

John Logie Baird, a Scottish engineer, is credited with inventing the first mechanical television system in 1925.

Multiple choice

Who is the founder of the National Institute of Design (NID)?

  1. Charles Eames

  2. George Nelson

  3. Buckminster Fuller

  4. J.B.H. Wadia
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

J.B.H. Wadia founded the National Institute of Design (NID) in 1961. NID is a premier design institute in India that offers courses in various design disciplines, including animation and VFX.

Multiple choice

What was the name of the Greek engineer who invented the screw pump?

  1. Archimedes

  2. Hero of Alexandria

  3. Ctesibius

  4. Philo of Byzantium
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Archimedes invented the screw pump, a device that uses a helical screw to lift water or other fluids.

Multiple choice

What was the name of the Greek engineer who invented the steam engine?

  1. Archimedes

  2. Hero of Alexandria

  3. Ctesibius

  4. Philo of Byzantium
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Hero of Alexandria invented the steam engine, a device that uses steam to generate power.

Multiple choice

What was the name of the first successful locomotive?

  1. Rocket

  2. Puffing Billy

  3. Stephenson's Rocket

  4. Novelty
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Rocket, built by George Stephenson in 1829, was the first successful steam locomotive, demonstrating the practicality of rail transportation.

Multiple choice

What was the name of the first successful electric telegraph line?

  1. Washington-Baltimore line

  2. New York-Philadelphia line

  3. London-Birmingham line

  4. Paris-Lille line
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Washington-Baltimore line, established in 1844, was the first successful electric telegraph line, demonstrating the practicality of long-distance electrical communication.

Multiple choice

What was the name of the Wright Brothers' first successful airplane?

  1. Flyer I

  2. Flyer II

  3. Flyer III

  4. Kitty Hawk
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Wright Brothers' first successful airplane was called Flyer I.

Multiple choice

Who was the founder of the Kodály Method?

  1. Emile Jaques-Dalcroze

  2. Carl Orff

  3. Zoltán Kodály

  4. Shinichi Suzuki
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Zoltán Kodály was a Hungarian composer, music educator, and ethnomusicologist. He developed the Kodály Method, which is a system of music education that emphasizes the importance of folk music and the use of solfège.

Multiple choice

Who discovered X-rays?

  1. Albert Einstein

  2. Marie Curie

  3. Wilhelm Conrad Röntgen

  4. Thomas Edison
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Wilhelm Conrad Röntgen was a German physicist who discovered X-rays in 1895.

Multiple choice

Which scientist is widely credited with first proposing the Panspermia Hypothesis?

  1. Louis Pasteur

  2. Svante Arrhenius

  3. Fred Hoyle

  4. Francis Crick
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Svante Arrhenius, a Swedish chemist and physicist, first proposed the Panspermia Hypothesis in 1903. He suggested that microorganisms could be transported through space by radiation pressure.

Multiple choice

Who invented the light bulb?

  1. Thomas Edison

  2. Nikola Tesla

  3. Benjamin Franklin

  4. Alexander Graham Bell
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Thomas Edison is widely credited with inventing the first commercially viable light bulb in 1879.

Multiple choice

Who invented the telephone?

  1. Alexander Graham Bell

  2. Thomas Edison

  3. Guglielmo Marconi

  4. Samuel Morse
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Alexander Graham Bell is credited with inventing the first practical telephone in 1876.

Multiple choice

Who invented the transistor?

  1. John Bardeen

  2. Walter Brattain

  3. William Shockley

  4. Gordon Moore
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

John Bardeen, Walter Brattain, and William Shockley jointly invented the transistor in 1947, revolutionizing electronics.