A. Louis Pasteur
B. Robert Koch
C. Edward Jenner
D. Alexander Fleming

Who discovered the tuberculosis-causing bacterium?Read More »

A. William Harvey
B. Karl Landsteiner
C. Alexander Fleming
D. Joseph Lister

Who discovered blood groups in humans?Read More »

A. Edward Jenner
B. Louis Pasteur
C. William Harvey
D. Robert Koch

Who discovered the circulation of blood in the human body?Read More »

A. Ernest Rutherford and Niels Bohr
B. Henri Becquerel and Max Planck
C. Marie Curie and Pierre Curie
D. J. J. Thomson and James Chadwick

Which scientists discovered the elements polonium and radium?Read More »

A. Marie Curie
B. Henri Becquerel
C. Ernest Rutherford
D. Max Planck

Who discovered radioactivity?Read More »

A. James Clerk Maxwell
B. Michael Faraday
C. André-Marie Ampère
D. Alessandro Volta

Who discovered electromagnetic induction?Read More »

A. Isaac Newton
B. Galileo Galilei
C. Johannes Kepler
D. Albert Einstein

Who discovered the law of universal gravitation?Read More »

A. Niels Bohr
B. Ernest Rutherford
C. J. J. Thomson
D. James Chadwick

Who is credited with discovering the atomic nucleus?Read More »

A. J. J. Thomson
B. Ernest Rutherford
C. James Chadwick
D. Max Planck

Who discovered the neutron?Read More »

A. Ernest Rutherford
B. James Chadwick
C. J. J. Thomson
D. Niels Bohr

Who discovered the electron?Read More »