Y10 Transport Systems

Question 1

What does the xylem do?

Answer 1

Transports water and minerals from the roots

Question 2

What does the phloem do?

Answer 2

Transports mainly organic products i.e. sugars

Question 3

What is translocation?

Answer 3

The movement of dissolved sugars from the leaves to other parts of the plant

Question 4

What is transpiration?

Answer 4

The evaporation of water out of the aerial parts of plants (mostly from the open stomata on the lower epidermis of leaves). The stomata have to be open for the entry of CO2. 90% of the water taken in by the roots is lost in transpiration.