Material Transport - Xylem

The part labelled 'A' is the ______ of the stem.

• Xylem
• Phloem
• Vascular tissue
• Pith

The part labelled 'A' is the ___ of the plant.

• Epidermis
• Node
• Petiole
• Internode

The Xylem is NOT directly responsible for ___ in a plant.

• Thermoregulation
• Transport of minerals
• Transport of water
• Transport of sugars

Transport in the Xylem is multidirectional.

• True
• False

Xylem is coated with _____ to strengthen them and to prevent them from collapsing.

• Suberin
• Lignin
• Calcium
• Wood

Water is pulled up the xylem due to the interaction between water molecules. This is known as ____

• The cohesion–tension theory of sap ascent
• The adhesion–tension theory of sap ascent
• The cohesion–adhesion theory of sap ascent
• The cohesion–transpiration theory of sap ascent

Majority of the water lost from leaves escapes through the ______.

• Leaf cuticle
• Leaf margin
• Stomata
• Leaf veins

In the ___ pathway, ions can be carried through the cell wall space without entering an actual cell.

• Sympastic
• Apoplastic

Ions are taken up into the root by an passive transport process.

• True
• False

In the roots, an ion can pass the endodermis only via the​ ​ (a)   due to the presence of the (b)   .

• Symplast
• Casparian strip
• Apoplast
• Xylem
• Pith
• Chloroplast
• Stomata