(a) Why is transport of materials necessary in an organism (plant or animals) ? (b) What is t
Channel: Doubtnut
Date: 2020-01-26

(a) Why is transport of materials necessary in an organism (plant or animals) ? (b) What is the need of special tissues or organs for transport of substances in plants and animals ? (c) How are water and minerals transported in plants ? (d) How is food transported in plants ?