Transport in plants

Transport in plants

Multiple Choice

The Xylem transports

• sugars

• water

Multiple Choice

Which direction does the Xylem transport water?

• both directions

• upwards only

• downwards only

Multiple Choice

In which direction does the phloem transport sugars?

• upwards only

• downwards only

• both directions

Open Ended

What is transpiration?

ANSWER

Th loss of water by a plant through evaporation

Open Ended

What is the role of the guard cells?

ANSWER

To control the size of the stomata.

Multiple Choice

If carbon dioxide levels are too high the stomata

• opens

• closes

• does nothing

• panics

Multiple Choice

Why does the stomata close when CO2 levels are too high?

• prevent water loss

• prevent sugar loss

• prevent oxygen loss

• prevent carbon dioxide loss

Open Ended

What is translocation?

ANSWER

The movement of food produced in the leaves during photosynthesis to all growing areas of a plant including storage organs.