Who discovered the fundamental principle of inheritance known as the Law of Independent Assortment? MCQ with Answer and Explanation

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Who discovered the fundamental principle of inheritance known as the Law of Independent Assortment?

A. Gregor Mendel

B. Francis Crick

C. Thomas Hunt Morgan

D. Charles Darwin

Answer: Option A

Solution (By JKSSB Mock Tests)

Gregor Mendel discovered the laws of segregation and independent assortment through careful calculation of pea hybrid phenotypes.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

Who discovered the enzyme Lysozyme and later discovered penicillin?

A. Edward Jenner

B. Howard Florey

C. Louis Pasteur

D. Alexander Fleming

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Correct Answer: Option D

Explanation:
Sir Alexander Fleming discovered lysozyme (an antimicrobial enzyme found in tears and saliva) in 1921 before discovering penicillin in 1928.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

The laser (Light Amplification by Stimulated Emission of Radiation) was first constructed by whom in 1960?

A. Charles Townes

B. Albert Einstein

C. Arthur Schawlow

D. Theodore Maiman

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Correct Answer: Option D

Explanation:
Theodore Maiman built the first functioning laser in 1960 at Hughes Research Laboratories, using a synthetic ruby crystal.

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Question #3

Who discovered the phenomenon of nuclear magnetic resonance (NMR), which forms the basis of modern MRI scanners?

A. Peter Mansfield

B. Isidor Isaac Rabi

C. Paul Lauterbur

D. Felix Bloch

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Correct Answer: Option B

Explanation:
Isidor Isaac Rabi discovered nuclear magnetic resonance in 1938, for which he was awarded the Nobel Prize in Physics in 1944.

This question belongs to: Static General Knowledge Inventions and Discoveries

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