B2.21 Water Transport

Question 1

Describe how root hair cells are adapted to take up water by osmosis

Answer 1

They have large surface area which allow substances to enter.

Question 2

Define osmosis

Answer 2

Movement of water from a high concentration to an area of lower concentration through a partially permeable membrane

Question 3

Describe transpiration

Answer 3

Evaporation of water from the surface of the plant

Question 4

Explain how water, glucose and mineral salts are transported through a plant

Answer 4

Water and dissolved minerals travel through a xylem tassel the glucose made in leaves by photosynthesis is converted to sucrose and transported to other parts of the plant by strands of living phloem tissue, they absorb the glucose, water and mineral salts against a concentration gradient is called active transport.m