Who discovered the law of hereditary transmission through experiments on pea plants? MCQ with Answer and Explanation

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Who discovered the law of hereditary transmission through experiments on pea plants?

A. Charles Darwin

B. Jean-Baptiste Lamarck

C. Thomas Hunt Morgan

D. Gregor Mendel

Answer: Option D

Solution (By JKSSB Mock Tests)

Gregor Mendel is known as the father of modern genetics for his discovery of the basic laws of heredity through breeding pea plants.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

Who discovered the planet Pluto in 1930 at the Lowell Observatory?

A. Edwin Hubble

B. William Herschel

C. Percival Lowell

D. Clyde Tombaugh

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Correct Answer: Option D

Explanation:
Clyde Tombaugh discovered Pluto by comparing photographic plates using a blink comparator instrument.

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Question #2

The invention of the common household vacuum storage device known as the Thermos Flask was developed by whom?

A. Thomas Edison

B. Willis Carrier

C. James Dewar

D. James Joule

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Correct Answer: Option C

Explanation:
Sir James Dewar invented the double-walled vacuum-insulated silvered glass flask in 1892 to isolate cryogenic liquefied gases.

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Question #3

Who discovered that electrical currents pass through vacuum cavities via discrete streams named 'Cathode Rays'?

A. Wilhelm Röntgen

B. Michael Faraday

C. J.J. Thomson

D. William Crookes and Julius Plücker

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Correct Answer: Option D

Explanation:
Plücker observed early glow phenomena, and Crookes engineered highly evacuated discharge tubes to isolate ray behaviors.

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