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Question
Assertion :Schleiden and Schwann were the first to put forward cell theory. Reason: The cells are always living unit.
Assertion :Schleiden and Schwann were the first to put forward cell theory. Reason: The cells are always living unit.
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Solution
The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
- Cell theory was proposed by a German botanist, Matthias Schleiden and
English zoologist, Theodor Schwann in the year 1839. Cell theory was considered as the most acceptable theory which, elucidated the functioning of a cell.
- The cell theory includes the following points -
(1) All living things are made up of cells.
(2) The cell is the smallest living thing that can perform all the functions of life.
- Later
on, in the year 1855 Rudolf Virchow added a new point in cell theory that
all cells must come from pre-existing cells, which was also known as
"Omnis cellula e cellula".
So, the correct answer is option B.
- Cell theory was proposed by a German botanist, Matthias Schleiden and English zoologist, Theodor Schwann in the year 1839. Cell theory was considered as the most acceptable theory which, elucidated the functioning of a cell.
- The cell theory includes the following points -
(1) All living things are made up of cells.
(2) The cell is the smallest living thing that can perform all the functions of life.
So, the correct answer is option B.
(2) The cell is the smallest living thing that can perform all the functions of life.
- Later on, in the year 1855 Rudolf Virchow added a new point in cell theory that all cells must come from pre-existing cells, which was also known as "Omnis cellula e cellula".
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