Q- Give the term for the movement of water from higher water concentration to lower water concentration. Answer- Osmosis is the term for the movement of water from higher water concentration to lower water concentration.
Q- What is effect of hypertonic solution on human RBCs? Answer- The effect of hypertonic solution on human RBCs is that the RBCs become small sized and crenated.
Q- What is the most accepted model of structure of plasma membrane? Answer- Fluid Mosaic Model of plasma membrane is the most accepted model of structure of plasma membrane.
Q- Why is plasma membrane called a differentially permeable membrane? Answer- Plasma membrane is called differentially permeable membrane because its permeability is different to different substances and varies with requirement. Easy way to draw labelled diagram of plasma membrane: