The concept of Continental Drift was proposed by which scientist in 1912? MCQ with Answer and Explanation

The concept of Continental Drift was proposed by which scientist in 1912?
A. Alfred Wegener
B. James Hutton
C. Harry Hess
D. Charles Lyell
Answer: Option A
Solution (By JKExamLibrary)
Alfred Wegener published the hypothesis that continents were once joined in a supercontinent named Pangaea and drifted apart.

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Practice More Inventions and Discoveries Questions

Question #1 Report Error
Who is the inventor of the Richter Scale used to measure the magnitude of earthquakes?
A. Giuseppe Mercalli
B. Charles Richter
C. Alfred Wegener
D. James Hutton

Correct Answer: Option B


Explanation:
Charles F. Richter developed the Richter magnitude scale in 1935 in partnership with Beno Gutenberg.

Question #2 Report Error
Who discovered the composition of water as a compound of hydrogen and oxygen gases?
A. Henry Cavendish and Antoine Lavoisier
B. John Dalton
C. Robert Boyle
D. Joseph Priestley

Correct Answer: Option A


Explanation:
Henry Cavendish observed that burning hydrogen produces water, and Antoine Lavoisier correctly identified it as a compound rather than a base element.

Question #3 Report Error
Who discovered the specific mathematical formula detailing gas density variation relative to molecular weight, known as the diffusion law?
A. John Dalton
B. Thomas Graham
C. Robert Boyle
D. Amadeo Avogadro

Correct Answer: Option B


Explanation:
Graham's Law states that the rate of effusion or diffusion of a gas is inversely proportional to the square root of its molecular mass.