Xylem & Transpiration

Question 1

What is the function of Xylem

Answer 1

Transport water (via osmosis) and mineral ions (via active transport)

Question 2

What substances are transported

Answer 2

Water and mineral ions

Question 3

What is transpiration

Answer 3

Evaporation of water through molecules of the leaf

Question 4

True or false, Xylem are bi- directional

Answer 4

False, they only have 1 direction of flow (of water)

Question 5

Structure if Xylem

Answer 5

• made up of lignin
• hollow structure with no end walls
• 1 way flow

Question 6

What is oignin and why is it important

Answer 6

Lignin is Dead material that provides strength for the plant