Xylem and Phloem Functions and Adaptations Quiz

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What is the main function of xylem?

Transport sucrose and amino acids

Transport water and mineral ions (correct)

Absorb water and minerals from the soil

Support

What is the function of phloem?

Absorb water and minerals from the soil

Support

Transport water and mineral ions

Transport sucrose and amino acids (correct)

Which adaptation is characteristic of xylem?

Thick walls with lignin (correct)

No cell contents

Joined end to end with cross walls

Elongated shape for a larger surface area

What is the function of root hair cells?

Absorb water and minerals from the soil Signup and view all the answers

How does water enter root hair cells?

Osmosis Signup and view all the answers

What is the main cause of water vapour loss during transpiration?

Evaporation from the surface of the mesophyll cells Signup and view all the answers

Why does wilting occur?

Excessive water loss compared to water uptake Signup and view all the answers

Which factor does not affect the rate of transpiration?

Water movement in the xylem Signup and view all the answers

What creates the water potential gradient between the leaf and the atmosphere, affecting transpiration rate?

Low humidity Signup and view all the answers

What is the primary function of phloem in plant physiology?

Translocation of sucrose and amino acids Signup and view all the answers

Xylem and Phloem Functions and Adaptations Quiz

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Questions and Answers

What is the main function of xylem?

What is the function of phloem?

Which adaptation is characteristic of xylem?

What is the function of root hair cells?

How does water enter root hair cells?

What is the main cause of water vapour loss during transpiration?

Why does wilting occur?

Which factor does not affect the rate of transpiration?

What creates the water potential gradient between the leaf and the atmosphere, affecting transpiration rate?

What is the primary function of phloem in plant physiology?

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