7th Class
Science
Transportation in Animals and Plants
Question Bank
Transportation in Animals and Plants
question_answer
DIRECTIONS: Read the passage (s) given below and answer the questions that follow Passage - 2 The process of waste disposal or removal of wastes is called excretion. In plants, water and salts are absorbed by roots and carried by xylem. Plants store some waste products. These are useful to us. The solution of minerals, water, food and gases that is carried through xylem and phloem is called