THE CELL
CELL THEORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Detailed explanation-1: -The classical cell theory was proposed by Theodor Schwann in 1839.
Detailed explanation-2: -Complete answer: Cell theory was put forward by a famous German botanist-Matthias Schleiden and an English zoologist-Theodor Schwann in the year 1839.
Detailed explanation-3: -By the early 1800s, scientists had observed the cells of many different organisms. These observations led two German scientists, named Theodor Schwann and Matthias Jakob Schleiden, to propose that cells are the basic building blocks of all living things.
Detailed explanation-4: -There was little real progress until the 19th century and Aristotle may have been at home with many 18th century ideas about vital forces and basic units. Although Hooke described cells in 1665 it took a further 200 years for the significance and nature of cells to be appreciated.