[amp_mcq option1=”Alexander Fleming” option2=”Fredrick Banting” option3=”J.J.R. Macleod” option4=”Alexander Graham Bell ” correct=”option4″]
The correct answer is (d). Alexander Graham Bell invented the telephone in 1876.
Alexander Fleming discovered penicillin in 1928.
Frederick Banting and J.J.R. Macleod discovered insulin in 1922.