AP Police Constable Prelims 22 Jan 2023 Paper

Study the following statements and pick up the correct ones.
I) No energy expenditure takes place in diffusion.
II) In facilitated diffusion special proteins help to move substances across the membrane by utilising ATP.
III) In plants transport of materials over longer distances proceeds through the xylem and phloem and is called translocation.
IV) Facilitated diffusion is non specific for molecules to be transported.