AIPMT PRELIMS2012Botany-Cell Biology
AIPMT PRELIMS 2012 Botany Cell Membrane MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Select the correct statement from the following regarding cell membrane
A
Fluid mosaic model of cell membrane was proposed by Singer and Nicolson
B
Na⁺ and K⁺ ions move across cell membrane by passive transport
C
Proteins make up 60 to 70% of the cell membrane
D
Lipids are arranged in a bilayer with polar heads towards the inner part
Correct Answer
Option A
Detailed Explanation
The fluid mosaic model, proposed by Singer and Nicolson, describes the cell membrane as a dynamic structure with proteins embedded in a lipid bilayer.
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