General Awareness · Science General

Inventors and Scientific Discoveries

4,616 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.

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Inventors and Scientific Discoveries Questions

Multiple choice general knowledge

"We owe a lot to the Indians, who taught us how to count, without which no worthwhile scientific discovery could have been made." This Quote was given by?

  1. Queen Elizabeth

  2. Issac Newton

  3. Albert Einstein

  4. G.W.Bush
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Albert Einstein did praise Indian mathematical contributions, particularly the decimal system and zero. While the exact quote 'We owe a lot to the Indians, who taught us how to count...' is widely attributed to him in Indian sources, Einstein did acknowledge India's foundational role in mathematics. The other options are incorrect: Queen Elizabeth II, Isaac Newton, and George W. Bush are not associated with this quote about Indian mathematics.

Multiple choice general knowledge

The first arch bridge in the world to be built from cast iron was built at Coalbrookdale in Shropshire, England in 1779. It was one of the icons of the early part of the Industrial Revolution that would transform modern society. Who built it?

  1. Abraham Darby III

  2. Isambard Kingdon Brunel

  3. Abraham Darby I

  4. Abraham Darby II
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Abraham Darby III built the first cast iron arch bridge at Coalbrookdale in 1779, known as The Iron Bridge. It was a pioneering achievement of the Industrial Revolution. Abraham Darby I and II were his grandfather and father respectively, and Isambard Kingdom Brunel was a later Victorian engineer.

Multiple choice general knowledge sports

The credit of inventing the television goes to

  1. a.Faraday

  2. b.Baired

  3. c.Edison

  4. d.Marconi
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

John Logie Baird is credited with inventing the first working television system in the 1920s. Faraday studied electromagnetism, Edison invented the light bulb and phonograph, and Marconi developed radio telegraphy.

Multiple choice general knowledge science & technology

Who proposed the chemical evolution of life?

  1. Darwin

  2. Lammarck

  3. Oparin

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

Oparin proposed the theory of chemical evolution, suggesting life arose from gradual chemical reactions in Earth's early atmosphere (the Oparin-Haldane hypothesis). Darwin focused on natural selection and evolution by natural means, Lamarck on inheritance of acquired traits, and Haeckel on embryology and recapitulation theory.

Multiple choice general knowledge science & technology

Which of the following pairs is incorrect?

  1. Roentgen: X-ray

  2. Newton: Law of gravitation

  3. Faraday: Diffusion of gases

  4. Pasteur: Bacteriology
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Faraday is incorrectly paired with gas diffusion - he is famous for electromagnetic induction, electrolysis laws, and discoveries in electricity and magnetism. Graham is actually known for gas diffusion. All other pairs are correctly matched: Roentgen discovered X-rays, Newton formulated gravitation laws, and Pasteur founded bacteriology.

Multiple choice general knowledge history

Who invented Telephone?

  1. calling bell

  2. phone bell

  3. graham bell

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

Alexander Graham Bell patented the telephone in 1876 and is credited as its inventor. Calling bell and phone bell are descriptive terms, not names, and Shakespeare was a playwright unrelated to telephony.

Multiple choice general knowledge sports

Freddie "Saddam" Maake claims to have invented the X by adapting an aluminium version as early as 1965 from a bicycle ____ after removing the black rubber to blow with his mouth. He later found it to be too short and joined a pipe to make it longer. He says the instrument was banned as authorities ruled it a dangerous weapon, which prompted him to find a plastic company that could manufacture it.In 2001, South Africa-based company Masincedane Sport began to mass-produce a plastic version.What is being referred here?

  1. mbira

  2. Vuvuzela

  3. ngoma drums

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

The vuvuzela is the plastic horn that became infamous during the 2010 FIFA World Cup in South Africa for its loud, droning sound. While Freddie Maake claims to have invented it in the 1960s, this origin is disputed. The instrument was indeed mass-produced by Masincedane Sport and became a cultural symbol. Mbira, ngoma, and djembe are traditional African instruments but not vuvuzelas.

Multiple choice general knowledge science & technology

Who invented Mobile Phone?

  1. Dr. Martin Cooper

  2. Dr. Chandrasekhar

  3. Dr.Herald Murell

  4. Dr. Martin Schwartz
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Dr. Martin Cooper invented the first handheld mobile phone at Motorola in 1973, making the first public call from a cellular device. The other scientists listed made contributions in different fields but not mobile telephony.

Multiple choice general knowledge science & technology

Inventor of Automated Teller Machine

  1. John Shepherd - Barron

  2. John Cooper

  3. Martin Lukeward - Herald

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

John Shepherd-Barron invented the ATM in the 1960s, with the first machine installed at Barclays Bank in London. The spacing in his name may be a formatting issue. The other names are not associated with ATM invention.

Multiple choice general knowledge science & technology

Who was the inventor of telephone

  1. Alexander Graham Bell

  2. Thomas Alva Edison

  3. James Watt

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

Alexander Graham Bell invented the telephone in 1876 and patented it. Thomas Edison invented the light bulb, James Watt improved the steam engine, and Charles Darwin proposed evolution theory.

Multiple choice general knowledge science & technology

The telephone was invented by

  1. John Logie Baird

  2. Alexander Graham Bell

  3. Thomas Elva Edison

  4. James Watt
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Alexander Graham Bell patented the first practical telephone in 1876. John Logie Baird invented television, Thomas Edison developed the phonograph and electric light, and James Watt improved the steam engine.