Who discovered the planet Ceres, the first recognized asteroid, in 1801? MCQ with Answer and Explanation

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Who discovered the planet Ceres, the first recognized asteroid, in 1801?

A. Johannes Kepler

B. Heinrich Olbers

C. Giuseppe Piazzi

D. William Herschel

Answer: Option C

Solution (By JKSSB Mock Tests)

Italian astronomer Giuseppe Piazzi discovered Ceres on January 1, 1801, initially cataloging it as a new comet or planet.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

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The invention of the common household safety matchbox strike face mixture containing red phosphorus was patented by whom?

A. John Walker

B. Humphry Davy

C. Robert Boyle

D. Pasch Brothers and John Lundström

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Correct Answer: Option D

Explanation:
The Swedish inventors split match chemical triggers, rendering matches safe from accidental friction ignition in pocket storage.

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Question #2

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Who discovered that the speed of chemical reactions increases when specific non-consumed agents are added, coining the term 'Catalysis'?

A. Robert Boyle

B. Jöns Jacob Berzelius

C. Antoine Lavoisier

D. Wilhelm Ostwald

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Correct Answer: Option B

Explanation:
Berzelius identified chemical catalytic force in 1835, which Ostwald later formalized thermodynamically.

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Question #3

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Who discovered that blood can be categorized into various Rh factors (positive and negative)?

A. Robert Koch

B. Edward Jenner

C. William Harvey

D. Karl Landsteiner and Alexander Wiener

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Correct Answer: Option D

Explanation:
Karl Landsteiner and Alexander S. Wiener discovered the Rhesus (Rh) factor in blood in 1937.

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