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Who developed the theory of special relativity?

  • (A) Niels Bohr
  • (B) Albert Einstein
  • (C) Isaac Newton
  • (D) Galileo Galilei

Answer: Albert Einstein

Albert Einstein developed the theory of special relativity, explaining how time and space are related.

Who is known for discovering the radio waves?

  • (A) Nikola Tesla
  • (B) Guglielmo Marconi
  • (C) Heinrich Hertz
  • (D) Albert Einstein

Answer: Heinrich Hertz

Heinrich Hertz discovered radio waves in 1887, proving the existence of electromagnetic radiation.

Who discovered the first antibiotic, penicillin?

  • (A) Edward Jenner
  • (B) Robert Koch
  • (C) Louis Pasteur
  • (D) Alexander Fleming

Answer: Alexander Fleming

Alexander Fleming discovered penicillin in 1928, marking the beginning of the antibiotic era.

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Who developed the concept of the quantum theory?

  • (A) Niels Bohr
  • (B) Max Planck
  • (C) Albert Einstein
  • (D) Werner Heisenberg

Answer: Max Planck

Max Planck developed quantum theory, introducing the idea that energy is quantized.

Who discovered the theory of natural selection?

  • (A) Alfred Russel Wallace
  • (B) Charles Darwin
  • (C) Jean-Baptiste Lamarck
  • (D) Gregor Mendel

Answer: Charles Darwin

Charles Darwin is known for developing the theory of natural selection as the mechanism for evolution.

Who invented the first modern steam engine?

  • (A) Richard Trevithick
  • (B) Thomas Edison
  • (C) James Watt
  • (D) George Stephenson

Answer: James Watt

James Watt developed the first modern steam engine, significantly improving its efficiency.

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Who discovered the laws of motion and universal gravitation?

  • (A) Galileo Galilei
  • (B) Isaac Newton
  • (C) Albert Einstein
  • (D) Johannes Kepler

Answer: Isaac Newton

Isaac Newton formulated the laws of motion and universal gravitation, which form the foundation of classical mechanics.

Who developed the laws of inheritance?

  • (A) Charles Darwin
  • (B) Gregor Mendel
  • (C) Alfred Russel Wallace
  • (D) Louis Pasteur

Answer: Gregor Mendel

Gregor Mendel is known as the father of genetics for developing the laws of inheritance.

Who is known for the discovery of the circulation of blood?

  • (A) Andreas Vesalius
  • (B) William Harvey
  • (C) Hippocrates
  • (D) Galen

Answer: William Harvey

William Harvey discovered the circulation of blood in the human body, transforming physiology.

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Who is known for inventing the first practical telephone?

  • (A) Guglielmo Marconi
  • (B) Nikola Tesla
  • (C) Thomas Edison
  • (D) Alexander Graham Bell

Answer: Alexander Graham Bell

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

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