NEET Botany Cell Membrane MCQ Question
Which of the following statements about the cell membrane is correct?
The fluid mosaic model describes the cell membrane as a rigid structure with fixed proteins.
The lateral movement of proteins within the lipid bilayer contributes to membrane fluidity.
Cell membrane transport is exclusively passive and does not involve energy.
The selective permeability of the membrane allows all types of molecules to pass freely.
Correct Answer
Detailed Explanation
Statement B accurately reflects the fluid mosaic model, which highlights the importance of protein movement within the lipid bilayer for membrane fluidity. Statement A misrepresents the model, while C and D incorrectly describe membrane transport mechanisms.
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