Passage of water across a selectively permeable membrane is
A
Active transport
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B
Pinocytosis
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C
Facilitated diffusion
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D
Osmosis
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Solution
The correct option is D Osmosis
Active transport is the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
Pinocytosis is a type of endocytosis, where liquid droplets are ingested by living cells.
Facilitated diffusion is the process of spontaneous passive transport of molecules or ions across a cell's membrane via specific transmembrane integral proteins. Osmosis is a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one.