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Who is known for developing the theory of quantum mechanics?

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

Answer: Max Planck

Max Planck is known for developing quantum theory, which laid the foundation for understanding atomic and subatomic behavior.

Who proposed the theory of evolution by natural selection?

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

Answer: Charles Darwin

Charles Darwin developed the theory of evolution by natural selection, explaining how species adapt over time.

Who is credited with inventing the modern steam engine?

  • (A) George Stephenson
  • (B) Richard Trevithick
  • (C) James Watt
  • (D) Michael Faraday

Answer: James Watt

James Watt improved the steam engine, making it more efficient and practical for industrial use.

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Who discovered the circulation of blood in the body?

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

Answer: William Harvey

William Harvey discovered the circulation of blood in the human body in the 17th century.

Who first proposed the heliocentric model of the solar system?

  • (A) Galileo Galilei
  • (B) Johannes Kepler
  • (C) Nicolaus Copernicus
  • (D) Isaac Newton

Answer: Nicolaus Copernicus

Nicolaus Copernicus proposed the heliocentric model, which suggested that the Earth revolves around the Sun.

Who discovered the laws of heredity through pea plant experiments?

  • (A) Alfred Russel Wallace
  • (B) Gregor Mendel
  • (C) Charles Darwin
  • (D) Niels Bohr

Answer: Gregor Mendel

Gregor Mendel is known as the father of genetics for his work on the inheritance of traits in pea plants.

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Who is credited with discovering that germs cause disease?

  • (A) Joseph Lister
  • (B) Louis Pasteur
  • (C) Robert Koch
  • (D) Edward Jenner

Answer: Louis Pasteur

Louis Pasteurs work on the germ theory of disease established that microorganisms can cause infections.

Who invented the first mechanical computer?

  • (A) Alan Turing
  • (B) Charles Babbage
  • (C) John von Neumann
  • (D) Bill Gates

Answer: Charles Babbage

Charles Babbage is credited with designing the first mechanical computer, known as the Analytical Engine.

Who is known for his work on the law of conservation of mass?

  • (A) Dmitri Mendeleev
  • (B) Antoine Lavoisier
  • (C) Albert Einstein
  • (D) Robert Boyle

Answer: Antoine Lavoisier

Antoine Lavoisier is known for discovering the law of conservation of mass, which states that mass cannot be created or destroyed in chemical reactions.

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Who is known for developing the concept of black holes?

  • (A) Niels Bohr
  • (B) Albert Einstein
  • (C) Karl Schwarzschild
  • (D) Isaac Newton

Answer: Karl Schwarzschild

Karl Schwarzschild developed the first solution to Einstein?s field equations, leading to the concept of black holes.

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