Question

Which of the following is a selectively permeable membrane ?

• A. Cell membrane
• B. Cell wall
• C. Both A and B
• D. None of these

Answer 1

The correct option is A

Cell membrane

The correct option is A.

Explanation of the correct option:

1. Cell wall is the outermost limiting structure of an animal cell.
2. It selectively permits the movement of substances in and out of the cell.

Explanation of the incorrect option:

Option B:

1. Cell wall is the limiting layer of a plant cell.
2. It provides rigidity and support to the cell.
3. It is completely permeable.

Option C:

Since only option A is the correct answer, both A and B is the incorrect answer.

Option D:

Since option A is the correct answer, none of these is the incorrect answer.

Thus, Cell membrane is a selectively permeable membrane.