Questions & Answers
Browse all 25 questions from the
Human Biology Milestones study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Who is credited with first describing the circulation of blood in the human body in 1628?
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A
William Harvey
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B
Louis Pasteur
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C
Gregor Mendel
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D
Charles Darwin
2
Which scientist discovered penicillin, the first true antibiotic, in 1928?
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A
Robert Koch
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B
Alexander Fleming
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C
Joseph Lister
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D
Edward Jenner
3
What structure of DNA was first described by James Watson and Francis Crick in 1953?
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A
Triple helix
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B
Single strand
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C
Double helix
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D
Protein chain
4
Who is known as the 'father of modern anatomy' for his detailed drawings of the human body?
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A
Leonardo da Vinci
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B
Andreas Vesalius
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C
Galen
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D
Hippocrates
5
Edward Jenner is famous for creating the world's first vaccine, which targeted what disease?
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A
Polio
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B
Smallpox
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C
Measles
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D
Influenza
6
Who first identified the ABO blood group system in 1900?
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A
Karl Landsteiner
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B
William Beaumont
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C
Ivan Pavlov
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D
Santiago Ramón y Cajal
7
In which decade was the first successful human heart transplant performed?
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A
1940s
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B
1950s
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C
1960s
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D
1970s
8
What is the name of the woman whose cells, taken without consent in 1951, became the first immortal human cell line?
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A
Rosalind Franklin
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B
Henrietta Lacks
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C
Barbara McClintock
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D
Marie Curie
9
Who proposed the theory of evolution by natural selection in his 1859 book 'On the Origin of Species'?
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A
Charles Darwin
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B
Alfred Russel Wallace
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C
Thomas Huxley
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D
Jean-Baptiste Lamarck
10
Which invention allowed Robert Hooke to first observe and name 'cells' in 1665?
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A
X-ray
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B
Compound microscope
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C
MRI scanner
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D
Stethoscope
11
What organ did William Beaumont study in the 1820s to understand the process of human digestion?
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A
Liver
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B
Stomach
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C
Small intestine
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D
Pancreas
12
The first successful in vitro fertilization (IVF) led to the birth of Louise Brown in which year?
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A
1968
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B
1978
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C
1988
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D
1998
13
Who is often referred to as the 'father of medicine' for his contributions to the field in ancient Greece?
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A
Aristotle
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B
Plato
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C
Hippocrates
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D
Socrates
14
What was the first human hormone to be synthesized in a laboratory?
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A
Insulin
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B
Adrenaline
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C
Thyroxine
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D
Estrogen
15
Which medical tool, invented by René Laennec in 1816, is used to listen to heart and lung sounds?
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A
Thermometer
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B
Stethoscope
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C
Sphygmomanometer
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D
Otoscope
16
Who discovered the existence of X-rays, allowing doctors to 'see' inside the human body without surgery?
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A
Wilhelm Röntgen
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B
Marie Curie
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C
Ernest Rutherford
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D
Niels Bohr
17
What process, first successfully performed by Joseph Lister, reduced infection rates in surgery?
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A
Antisepsis
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B
Anesthesia
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C
Blood transfusion
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D
Organ transplant
18
The first complete map of the human genome was announced as finished in which year?
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A
1993
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B
2003
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C
2013
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D
2023
19
Who identified that germs cause disease, laying the foundation for modern microbiology?
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A
Louis Pasteur
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B
Gregor Mendel
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C
Isaac Newton
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D
John Dalton
20
In what year was the first successful human blood transfusion performed by Jean-Baptiste Denys?
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A
1667
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B
1767
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C
1867
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D
1967
21
Which vitamin was the first to be discovered, identified by Casimir Funk in 1912?
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A
Vitamin A
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B
Vitamin B1
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C
Vitamin C
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D
Vitamin D
22
Who was the first person to visualize bacteria and protozoa using a handcrafted microscope?
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A
Antonie van Leeuwenhoek
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B
Galileo Galilei
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C
Zacharias Janssen
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D
Robert Hooke
23
What did William Morton first demonstrate in 1846 to prevent pain during surgery?
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A
Local anesthesia
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B
General anesthesia
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C
Antibiotics
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D
Blood clotting
24
Who established the laws of inheritance based on his experiments with pea plants?
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A
Gregor Mendel
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B
Charles Darwin
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C
Thomas Hunt Morgan
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D
Francis Crick
25
The first successful artificial pacemaker was implanted in a human in 1958 in which country?
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A
USA
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B
Sweden
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C
UK
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D
Japan
