Which of the following is the first level of | vedclass

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(C) Biological organization follows a hierarchy starting from atoms and molecules to the biosphere. Atoms and molecules are non-living chemical compon

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Cell

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(C) Biological organization follows a hierarchy starting from atoms and molecules to the biosphere. Atoms and molecules are non-living chemical components. Organelles are sub-cellular structures that perform specific functions but cannot exist independently as a living unit. The $Cell$ is the fundamental structural and functional unit of life. It is the smallest level of organization that exhibits all the characteristics of a living organism, such as metabolism, growth, and reproduction. Therefore, the $Cell$ is the first level of biological organization that is considered a living entity.

Year	Discovery
$(a)$ $1665$	$(i)$ Discovery of the nucleus in the cell
$(b)$ $1831$	$(ii)$ Coined the term 'cell'
$(c)$ $1838$	$(iii)$ Cell theory was proposed

Column-$I$	Column-$II$
$A$. Leeuwenhoek	$I$. First saw and described a living cell
$B$. Robert Brown	$II$. Presence of cell wall is unique to plant cells
$C$. Schleiden	$III$. Discovered the nucleus
$D$. Schwann	$IV$. All plants are composed of different kind of cells

Which of the following is the first level of biological organization that can be considered a living entity?

Similar Questions

Match the following correctly:

Year Discovery

$(a)$ $1665$ $(i)$ Discovery of the nucleus in the cell

$(b)$ $1831$ $(ii)$ Coined the term 'cell'

$(c)$ $1838$ $(iii)$ Cell theory was proposed

Which of the following microscopes is useful for studying a living cell directly without staining?

The size of most of the cells is best expressed in

The smallest part of a living organism is....

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