Question

Select the correct option:

Cell membrane is selective permeable. This means that is

• A. Allows all materials to pass through
• B. Allows only water to pass through
• C. Allows only certain materials to pass through
• D. Allows only ions to pass through

Answer 1

Answer: (C)

Allows only certain materials to pass through

Selectively/ differentially permeable membranes are the membranes, which allow some substances to pass through them more readily than others. All living biological membranes are selectively permeable.

So, the correct answer is 'Allows only certain materials to pass through'.