Question

Movement of molecules from a region of their higher concentration to a lower concentration without a semi-permeable membrane is ______.

Options

• Osmosis

• Active transport

• Capillarity

• Diffusion

Answer 1

Movement of molecules from a region of their higher concentration to a lower concentration without a semi-permeable membrane is Diffusion.

Explanation:

Diffusion is the free spreading of molecules from a crowded area to a less crowded area. It happens without needing any boundary or membrane.