General Knowledge MCQs: Inventions and Discoveries

Who is the inventor of the magnetic tape which is used for sound recording?

1. Alexander Graham Bell
2. Fritz Pfleumer
3. Nikola Tesla
4. Thomas Edison

Right Answer is: (B) Fritz Pfleumer

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Which company did Fritz Pfleumer grant the rights to use his invention of magnetic tape?

1. Siemens
2. AEG
3. Bayer
4. BASF

Right Answer is: (B) AEG

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Which important invention was created based on magnetic tape made by Fritz Pfleumer?

1. The electric light
2. The phonograph
3. The Magnetophon K1 tape recorder
4. The telephone

Right Answer is: (C) The Magnetophon K1 tape recorder

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Who discovered insulin?

1. Louis Pasteur
2. Frederick Banting
3. Alexander Fleming
4. Rudolf Diesel

Right Answer is: (B) Frederick Banting

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Which scientist is associated with theories and inventions that reshaped our concepts of space and time?

1. Galileo Galilei
2. Albert Einstein
3. Isaac Newton
4. Nikola Tesla

Right Answer is: (B) Albert Einstein

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Who invented the Polaroid instant camera?

1. Edwin Land
2. Alexander Fleming
3. Nikola Tesla
4. Thomas Edison

Right Answer: (A) Edwin Land

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Who developed the world’s first program-controlled computer Z1?

1. Edwin Land
2. Konrad Zuse
3. Guglielmo Marconi
4. Samuel Morse

Right Answer: (B) Konrad Zuse

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Which scientist invented single-wire telegraph system?

1. Guglielmo Marconi
2. Edwin Land
3. Samuel Morse
4. Konrad Zuse

Right Answer: (C) Samuel Morse

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Which invention transformed global communication by translating text into on and off tones?

1. Radio Transmission
2. Binary Code
3. Morse Code
4. Digital Communication

Right Answer: (C) Morse Code

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Guglielmo Marconi is famous for inventing ___________.

1. Radio
2. Television
3. Telegraph
4. Telephone

Right Answer: (A) Radio

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