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History of Cell Theory
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History of Cell Theory
History of Cell Theory
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1
Question
Which scientist is credited with discovering the cell in 1665?
Page 3
Answer
Robert Hooke
2
Question
Why did Robert Hooke choose the term 'cell' for his discovery?
Page 3
Answer
He was reminded of small rooms in a monastery.
3
Question
What organisms did Antoni van Leeuwenhoek describe as 'animalcules'?
Page 4
Answer
Protozoans and bacteria
4
Question
Which anatomical structures did Antoni van Leeuwenhoek first document?
Page 4
Answer
Red blood corpuscles and the circulatory system
5
Question
What was Jean Baptiste de Lamarck's 1809 conclusion regarding life forms?
Page 6
Answer
All life forms are composed of cellular tissues.
6
Question
Which Scottish botanist is credited with discovering the nucleus in 1831?
Page 7
Answer
Robert Brown
7
Question
Who discovered the smaller body within the nucleus known as the nucleolus?
Page 7
Answer
Matthias Schleiden
8
Question
How did Felix Dujardin and Jan Evangelista Purkinje differ in naming the cell's internal substance?
Page 8
Answer
Dujardin called it sarcode, while Purkinje called it protoplasm.
9
Question
What contribution did Rudolf Virchow make to the cell theory in 1858?
Page 17
Answer
He stated that all cells arise from pre-existing cells.
10
Question
What are the three main statements of the classic Cell Theory?
Page 17
Answer
1. All living things are made up of cells. 2. Cells come from pre-existing cells. 3. Cells are the basic units of structure and functions.
11
Question
What Latin phrase is associated with Rudolf Virchow's contribution to cell theory?
Page 15
Answer
Omnis cellula a cellula
12
Question
According to modern cell theory, what do cells carry during cell division?
Page 18
Answer
Genetic material
13
Question
What was Robert Remak's finding regarding cell origin in 1850?
Page 16
Answer
Cells origin from pre-existing cells
14
Question
Which scientist is credited with inventing the first compound microscope in 1595?
Page 22
Answer
Jansen
15
Question
What early scientific contribution did Girolamo Fracastoro make in 1546?
Page 20
Answer
He began the early version of Germ theory.
16
Question
Which scientist was the first to describe "cells" after observing cork in 1655?
Page 23
Answer
Robert Hooke
17
Question
Which organisms did Anton van Leeuwenhoek observe with his microscope in 1673?
Page 24
Answer
Bacteria and protozoa
18
Question
What major cellular component did Robert Brown discover in 1833?
Page 25
Answer
Cell nucleus
19
Question
Which two scientists proposed the foundational cell theory in 1839?
Page 26
Answer
Matthias Schleiden and Theodor Schwann
20
Question
What medical standard did Ignaz Semmelweis introduce to obstetrical clinics in 1847?
Page 27
Answer
Hand disinfection standards
21
Question
How did John Snow demonstrate that Cholera bacteria were transmitted in 1854?
Page 28
Answer
Through contaminated drinking water
22
Question
What explanation did Rudolf Virchow provide regarding the origin of cells in 1858?
Page 29
Answer
Cells arise from pre-existing cells
23
Question
Which long-held scientific belief did Louis Pasteur disprove in 1862?
Page 30
Answer
Spontaneous Generation theory
24
Question
What biological phenomenon did Walther Flemming describe in 1879?
Page 31
Answer
Chromosome behavior during mitosis
25
Question
Which specialized cellular organelle did Camillo Golgi describe in 1898?
Page 32
Answer
Golgi apparatus