Famous Discoveries in Biology Quiz - Explore Landmark Discoveries in Life Sciences

Question 1 of 34

Who is known for discovering the structure of DNA?

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Francis Crick and James Watson

Gregor Mendel

Charles Darwin

Louis Pasteur

Question 2 of 34

Who developed the first successful vaccine for smallpox?

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Louis Pasteur

Edward Jenner

Robert Koch

Alexander Fleming

Question 3 of 34

Which scientist is known for his work on the germ theory of disease?

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Louis Pasteur

Joseph Lister

Robert Koch

Alexander Fleming

Question 4 of 34

Who is known for the theory of evolution by natural selection?

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Charles Darwin

Gregor Mendel

Francis Crick

James Watson

Question 5 of 34

Which biologist is famous for his experiments with pea plants and the foundational principles of genetics?

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Gregor Mendel

Charles Darwin

James Watson

Francis Crick

Question 6 of 34

Who discovered penicillin and pioneered the use of antibiotics?

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Alexander Fleming

Paul Ehrlich

Robert Koch

Louis Pasteur

Question 7 of 34

Which scientist is known for the discovery of the circulatory system?

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William Harvey

Andreas Vesalius

Hippocrates

Galen

Question 8 of 34

Who proposed the endosymbiotic theory, explaining the origin of eukaryotic cells?

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Lynn Margulis

Margaret Dayhoff

James Lovelock

Francis Crick

Question 9 of 34

Which scientist is known for the discovery of blood types?

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Karl Landsteiner

Richard Lewisohn

Thomas Starzl

Walter Reed

Question 10 of 34

Who discovered the first successful method of gene editing, CRISPR-Cas9?

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Jennifer Doudna and Emmanuelle Charpentier

Francis Crick

James Watson

Craig Venter

Question 11 of 34

Which scientist is known for his work on plant physiology and the discovery of plant hormones?

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Frits Went

Melvin Calvin

Hans Krebs

Avery McLeod

Question 12 of 34

Who was the first to observe and describe cells under a microscope?

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Robert Hooke

Anton van Leeuwenhoek

Matthias Schleiden

Theodor Schwann

Question 13 of 34

Who is known for developing the modern classification system of organisms, known as taxonomy?

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Carl Linnaeus

Charles Darwin

Jean-Baptiste Lamarck

Ernst Haeckel

Question 14 of 34

Which scientist is credited with the discovery of the principle of genetic linkage?

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Thomas Hunt Morgan

Gregor Mendel

Francis Crick

James Watson

Question 15 of 34

Who discovered the first enzyme, which is involved in the breakdown of proteins?

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Eduard Buchner

Louis Pasteur

James Lovelock

Francis Crick

Question 16 of 34

Which scientist developed the theory of gene regulation in bacteria?

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Jacques Monod and François Jacob

Charles Darwin

Gregor Mendel

Francis Crick

Question 17 of 34

Who is known for discovering that viruses can cause cancer?

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Peyton Rous

Francis Crick

James Watson

Paul Ehrlich

Question 18 of 34

Which scientist demonstrated that DNA is the genetic material in cells?

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Oswald Avery

Francis Crick

James Watson

Erwin Chargaff

Question 19 of 34

Who is known for discovering the process of fermentation?

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Louis Pasteur

Joseph Lister

Robert Koch

Alexander Fleming

Question 20 of 34

Who first observed and described the nucleus of a cell?

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Robert Brown

Matthias Schleiden

Theodor Schwann

Rudolf Virchow

Question 21 of 34

Which scientist is associated with the discovery of the double helix structure of DNA?

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Francis Crick and James Watson

Maurice Wilkins

Rosalind Franklin

Linus Pauling

Question 22 of 34

Who is known for the discovery of the role of DNA in heredity and mutation?

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Barbara McClintock

Hermann Muller

Francis Crick

James Watson

Question 23 of 34

Who discovered the principle of genetic transformation?

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Frederick Griffith

Oswald Avery

James Watson

Francis Crick

Question 24 of 34

Who is known for the discovery of the function of the pancreas in digestion?

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Paul Langerhans

William Beaumont

Claude Bernard

Joseph von Mering

Question 25 of 34

Which scientist is credited with discovering the ABO blood group system?

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Karl Landsteiner

Richard Lewisohn

Thomas Starzl

Walter Reed

Question 26 of 34

Who discovered the process of cellular respiration?

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Hans Krebs

Lavoisier

Louis Pasteur

Friedrich Wöhler

Question 27 of 34

Who is known for the discovery of the role of chromosomes in heredity?

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Walter Sutton

Thomas Hunt Morgan

Gregory Mendel

Ernst Haeckel

Question 28 of 34

Which scientist made significant contributions to the understanding of the immune system?

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Louis Pasteur

Paul Ehrlich

Alexander Fleming

Robert Koch

Question 29 of 34

Who is known for his work on the structure of proteins, including the discovery of the alpha-helix?

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Linus Pauling

James Watson

Francis Crick

Rosalind Franklin

Question 30 of 34

Who discovered that some bacteria can fix nitrogen from the air into a usable form for plants?

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Martinus Beijerinck

Louis Pasteur

Alexander Fleming

Robert Koch

Question 31 of 34

Who is known for his work on the genetic code and its role in protein synthesis?

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Marshall Nirenberg

Francis Crick

James Watson

Linus Pauling

Question 32 of 34

Who discovered the importance of vitamin C in preventing scurvy?

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James Lind

Albert Szent-Györgyi

Linus Pauling

Richard J. Roberts

Question 33 of 34

Which scientist is credited with the discovery of the principles of microbial fermentation?

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Louis Pasteur

Robert Koch

Joseph Lister

Friedrich Wöhler

Question 34 of 34

Who is known for discovering the role of RNA in protein synthesis?

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Francis Crick

James Watson

Sydney Brenner

Roger Penrose

Famous Discoveries in Biology : Biology

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