24. Which portion of root absorbs both water and minerals
(a) Terminal portion of roots (b) Zone of cell elongation
(c) Zone of cell formation (d) Zone of cell differentiation
Ans. (d) Proteins are the strongest imbibants of water, starch less strong, cellulose being the weakest. That is why proteinaceous pea seeds swell more than the starchy wheat seeds.
(18)