Multiple choice

Which of the following statements is incorrect?

  1. When a substance is passed through a membrane, expenditure of energy takes place.

  2. Osmosis is a type of passive transport.

  3. The movement of a sustance takes place from region of higher concentration to lower concentration.

  4. Diffusion takes place in solids, liquids or gases.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This statement is incorrect. Substance may pass through the membrane without or with expenditure of energy, i.e. passive or active transport, respectively.

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