High Confidence - Transport Systems in Plants

Question 1

Xylem and phloem tissues are found in groups called…?

Answer 1

Vascular bundles

Question 2

Draw a transverse cross-section of a root and label it.

Answer 2

Question 3

Draw a transverse cross-section of a stem and label it.

Answer 3

Question 4

Draw a transverse cross-section of a leaf and label it.

Answer 4

Question 8

What are the two functions of the xylem?

Answer 8

1) Transports water and mineral ions up the cell.
2) Supports the plant.

Question 9

Sugars originate from the … and are moved to the …?

Answer 9

Source (leaves) and sink (any other cell e.g. root).

Question 10

How does humidity affect transpiration?

Answer 10

The lower the humidity, the dryer the air and the steeper the water potential gradient.

Question 11

What two species of plants are you required to know about?

Answer 11

Xerophyte (xerophytic plants)

Hydrophyte (hydrophytic plants)

Question 12

Provide two reasons why sugars are transported as sucrose.

Answer 12

Soluble

Metabolically inactive - does not get used up during transport.