xylem tissue

What is the name of the part of the root that allows water and minerals to enter?

• root hairs
• epidermis
• phloem
• phyla

Specific type of plant tissue that transports water and minerals from the roots, through the stems, to leaves

• vascular plant

• nonvascular plant

• xylem

• phloem

Other than transporting water, what is a function of xylem?

• making food

• transporting food

• helping support the plant

• catching light

How does most water cross the root to the endodermis?

• By the apoplast pathway
• By the symplast pathway
• By the vacuolar pathway

Which pathway is blocked by the Casparian strip in the endodermis?

• Apoplast pathway
• Symplast pathway
• Vacuolar pathway

Which type of cell found in xylem contains pits?

• Vessels
• Tracheids
• Parenchyma
• Fibres

Recall what substance is used to thicken and strengthen xylem walls in woody plants.

• Protein

• Mineral ions

• Lignin

• Glucose

What is the function of root hair?

• it is a place to store the food and gas

• it increases surface area to absorb more water

What are the specialised protein channels that help to transport water across the membrane in root hair cells?

• proton pumps

• apoptosis channels

• water channels

• aquaporins

In xylem, there are gaps within the lignin called _____. These allow surrounding cells to be supplied with water.

• holes

• plasmolemma

• pits

• companion cells