Biology
The outermost layer of the cell is known as :
- Cytoplasm
- Protoplasm
- Epidermis
- Plasma membrane
Answer
Plasma membrane
Reason — Each cell is surrounded by a cell membrane, also called plasma membrane. It is the outermost layer. The plasma membrane (or cell membrane) is the thin outer boundary of a cell. It surrounds the cytoplasm and controls the movement of substances into and out of the cell.
Cytoplasm is jelly-like material inside the cell. Protoplasm refers to the living contents of the cell. Epidermis is a tissue that forms the outer covering of plant or animal bodies.
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