Xylem and Phloem

What does xylem carry UP the stem?

• Water

• Nutrients

• Water and Nutrients

• None of the above

What does phloem carry DOWN the stem

• Sugar

• Water

• Oxygen

• All of the above

Xylem tissue is made up of dead cells

• True
• False

Root hairs are...

• Mycorrhizal fungi
• Phloem tissue
• Hairs to help with absorption

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

Mycorrhizal fungi is...

• A symbiotic relationship between plants and fungi
• An aid in plant absorption
• A fungus that grows from the roots
• All of the above

Tags

NGSS.MS-LS2-3

What is Root Pressure?

• A force that pushes water up phloem
• An operation that occurs only in the daytime
• A force that pushes sap up xylem
• When root hairs absorb water

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

Transpiration is the loss of water through leaves by evaporation

• True
• False

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

Cohesion is...

• molecules sticking together 
• molecules sticking together with other molecules

An example of adhesion is

• Water molecules sticking to each other
• Water molecules sticking to cellulose in xylem walls
• Magnets sticking to a metal wall
• Gravity pulling water down

Tags

NGSS.HS-ESS2-5

Tracheids are xylem cells

• True
• False