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Milestones in Human Biology

Human Biology

A collection of facts regarding the history of biological discoveries and medical advancements.

history science biology

15 Questions Easy Ages 5+ Aug 31, 2026

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About this Study Set

This study set covers Human Biology through 15 practice questions. A collection of facts regarding the history of biological discoveries and medical advancements. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

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1 Who is credited with discovering the double helix structure of DNA in 1953?

A James Watson and Francis Crick
B Louis Pasteur
C Charles Darwin
D Gregor Mendel

2 Which scientist is known for developing the first successful vaccine for smallpox?

A Edward Jenner
B Alexander Fleming
C Joseph Lister
D Robert Koch

3 Who discovered the circulation of blood throughout the human body in the 17th century?

A William Harvey
B Andreas Vesalius
C Galen
D Hippocrates

4 What substance was discovered by Alexander Fleming in 1928, marking the start of modern antibiotics?

A Penicillin
B Insulin
C Aspirin
D Morphine

5 Who is widely considered the 'father of genetics' for his experiments with pea plants?

A Gregor Mendel
B Carl Linnaeus
C Thomas Hunt Morgan
D Francis Galen

6 In which year was the first successful human heart transplant performed by Christiaan Barnard?

A 1967
B 1955
C 1980
D 1945

7 What invention allowed scientists to first observe human cells in the 17th century?

A Microscope
B Telescope
C X-ray
D Stethoscope

8 Who discovered the ABO blood group system, earning a Nobel Prize?

A Karl Landsteiner
B Robert Hooke
C Ivan Pavlov
D Santiago Ramón y Cajal

9 Which female scientist is famously associated with the discovery of X-ray diffraction patterns of DNA?

A Rosalind Franklin
B Marie Curie
C Ada Lovelace
D Barbara McClintock

10 What was the first hormone to be identified in the human body?

A Secretin
B Insulin
C Adrenaline
D Estrogen

11 Who performed the first successful blood transfusion in a human in 1667?

A Jean-Baptiste Denys
B William Harvey
C Andreas Vesalius
D Anthony van Leeuwenhoek

12 Which medical tool, invented by René Laennec in 1816, is used to listen to internal bodily sounds?

A Stethoscope
B Thermometer
C Sphygmomanometer
D Otoscope

13 Who published 'On the Origin of Species', introducing the theory of evolution by natural selection?

A Charles Darwin
B Alfred Russel Wallace
C Jean-Baptiste Lamarck
D Thomas Malthus

14 What did Marie Curie discover that later became a foundation for medical imaging?

A Radioactivity
B Penicillin
C DNA
D Blood types

15 Which physician is remembered for his work on the anatomy of the human body and publishing 'De humani corporis fabrica'?

A Andreas Vesalius
B Hippocrates
C Claudio Galen
D Avicenna

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