Inventions & Discoveries

6 questions available

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All Famous Inventions 49 Inventors 4 Scientific Discoveries 6 Discoverers 4 Historical Innovations 4 Important Milestones 3
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Q1.Radioactivity was discovered by whom?

Medium
A Henri Becquerel
B Marie Curie
C Ernest Rutherford
D Niels Bohr
Scientific Discoveries PMS

Correct Answer: A

Henri Becquerel discovered radioactivity in 1896.

Q2.The circulation of blood was discovered by whom?

Medium
A William Harvey
B Louis Pasteur
C Joseph Lister
D Edward Jenner
Scientific Discoveries FPSC

Correct Answer: A

William Harvey described the circulation of blood in 1628.

Q3.The law of gravitation was discovered by whom?

Easy
A Isaac Newton
B Albert Einstein
C Galileo Galilei
D Johannes Kepler
Scientific Discoveries PPSC

Correct Answer: A

Isaac Newton formulated the law of universal gravitation.

Q4.The structure of DNA was determined by which scientists?

Medium
A Watson and Crick
B Mendel and Darwin
C Pasteur and Koch
D Fleming and Florey
Scientific Discoveries CSS

Correct Answer: A

James Watson and Francis Crick described the DNA double helix in 1953.

Q5.The vaccine for smallpox was developed by whom?

Medium
A Edward Jenner
B Louis Pasteur
C Jonas Salk
D Robert Koch
Scientific Discoveries FPSC

Correct Answer: A

Edward Jenner developed the smallpox vaccine in 1796.

Q6.X-rays were discovered by whom?

Medium
A Wilhelm Roentgen
B Marie Curie
C Henri Becquerel
D Ernest Rutherford
Scientific Discoveries PPSC

Correct Answer: A

Wilhelm Conrad Roentgen discovered X-rays in 1895.