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Plant Transport Systems

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Questions and Answers

Which of the following is NOT a function of the xylem in plants?

Transporting water from the roots to the leaves

Providing structural support to the plant

Transporting sugars from the leaves to the roots (correct)

Facilitating the movement of mineral salts from the roots to the leaves

Why is glucose converted to sucrose before being transported in plants?

Sucrose is less likely to be used as an energy source by the plant cells during transport.

The conversion to sucrose allows for a more efficient process of photosynthesis.

Sucrose is a more stable form of sugar and can travel longer distances. (correct)

Sucrose is more readily absorbed by root cells.

How does the presence of root hairs contribute to the efficient absorption of water and mineral salts?

Root hairs increase the concentration gradient between the soil and root cells, promoting osmosis.

Root hairs contain specialized enzymes that break down minerals into smaller molecules.

Root hairs release hormones that stimulate the growth of mineral-absorbing roots.

Root hairs increase the surface area for absorption, facilitating the uptake of water and minerals. (correct)

Which of the following statements BEST describes the mechanism of water movement from the soil to the xylem vessels?

<p>Water diffuses passively from the soil, through the root cells, and into the xylem vessels driven by a concentration gradient. (C)</p> Signup and view all the answers

Which of the following statements accurately describes the relationship between xylem, phloem, and vascular tissue?

<p>Xylem and phloem are both types of vascular tissue, working together to transport water, mineral salts, and food throughout the plant. (D)</p> Signup and view all the answers

Flashcards

Vascular Tissue

Plant tissue specialized for transporting water, minerals, and food.

Xylem Vessels

Transport water and mineral salts from roots to leaves in plants.

Phloem Tissue

Transports glucose (as sucrose) from leaves to the rest of the plant.

Osmosis

Movement of water from high to low concentration across a membrane.

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Root Hairs

Tiny extensions of root cells that increase surface area for absorption.

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Study Notes

Plant Transport Systems

Plants have specialized tissues for transporting water, mineral salts, and food
Water and mineral salts are transported from roots to leaves via xylem vessels
Photosynthesis produces glucose; glucose is converted to sucrose for transport
Sucrose is transported from leaves to other parts of the plant via phloem
Xylem and phloem form vascular tissue throughout the plant
Vascular tissue in leaves is called veins
Root hair cells increase the surface area for water absorption
Water moves from the soil to the roots through osmosis, driven by a concentration gradient
Water moves through root cells via osmosis, resulting in root pressure

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Description

Explore the fascinating world of plant transport systems. This quiz covers the specialized tissues responsible for the movement of water, minerals, and food within plants, including the roles of xylem and phloem. Test your knowledge on how these systems function and their importance to plant health.