Who invented the printing press with movable type around 1440? MCQ with Answer and Explanation

Who invented the printing press with movable type around 1440?

A. Leonardo da Vinci

B. William Caxton

C. Bi Sheng

D. Johannes Gutenberg

Answer: Option D

Johannes Gutenberg introduced movable-type printing to Europe, sparking the Printing Revolution.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1 Report Error

Who discovered the presence of the cellular mitochondria organelle, naming them 'bioblasts' before they were renamed?

A. Robert Hooke

B. Carl Benda

C. Richard Altmann

D. Camillo Golgi

Correct Answer: Option C

Explanation:
Richard Altmann identified the structures in 1890; Carl Benda later coined the exact term 'mitochondria' in 1898.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2 Report Error

The invention of the common high-pressure kitchen pressure cooker ('Digester') was invented by whom in 1679?

A. Denis Papin

B. Robert Boyle

C. Blaise Pascal

D. James Watt

Correct Answer: Option A

Explanation:
French physicist Denis Papin invented the steam digester, which raised boiling temperatures by trapping internal steam pressure.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3 Report Error

The invention of the common mechanical combination lock system used in bank vaults was patented by whom?

A. Walter Hunt

B. Alexander Mitchell

C. Elisha Otis

D. Linus Yale Jr.

Correct Answer: Option D

Explanation:
Linus Yale Jr. patented the secure pin-tumbler lock and combination wheel locks in the 1860s.

This question belongs to: Static General Knowledge Inventions and Discoveries