The cell is enclosed by a thin outer boundary called
(a) Cell membrane
(b) Chromatin
(c) Cytoplasm
(d) Nucleus membrane

Correct Answer: (a) Cell membrane

Explanation:

The cell membrane is also known as the "plasma membrane". It is the outermost layer or the boundary of a cell. It separates the cell from the external environment. The cell membrane is a porous structure that allows only the useful substances to enter the cell and not unwanted materials. Hence, the cell membrane is termed as a selectively permeable membrane.

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Updated on: 12-Jan-2023

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