Multiple choice

What do you call the passage of water across a selectively permeable membrane?

  1. Active transport

  2. Osmosis

  3. Facilitated diffusion

  4. Endocytosis

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Osmosis is the passage of water across a selectively permeable membrane.It is a vital process in biological systems, as biological membranes are semipermeable.