Question

Why is transport of materials necessary in a plant or in an animal? Explain.
NCERT Solutions for Class 7th Science Chapter 11 Transportation in Animals and Plants Page 132 Exercise Question 4

Answer 1

Transport of materials is necessary in both plants and animals as every cell needs a regular supply of nutrients and oxygen for releasing energy through respiration. The food that we eat is broken down into smaller components to be absorbed by the cells. The oxygen that we inhale is also transported to all the cells of the body. Our body also requires a constant removal of waste from the body.

Answer 2

Transport of materials necessary in a plant or in animal to supply them with food,water and oxygen,and to carry away the harmful waste materials produced in their body.