How do plants transport materials? Flashcards

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1
Q

What do xylem vessels transport?

A

Water / minerals

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2
Q

What do phloem vessels transport?

A

Sucrose and amino acids

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3
Q

In which direction is water transported in a plant?

A

From source to sink

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4
Q

In which direction are sucrose and amino acids transported in a plant?

A

From source to sink

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5
Q

Which plant transport vessel transports sucrose and amino acids?

A

Phloem

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6
Q

Which plant transport vessel carries water and minerals?

A

Xylem

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7
Q

What is the most common source of sucrose for a plant in summer?

A

Leaf

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8
Q

What is the most common source of sucrose for a plant in winter

A

Root

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9
Q

Define transpiration

A

Loss of water vapor from plant leaves by evaporation of water at the surface of the mesophyll cells followed by diffusion of water vapor through the stomata

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10
Q

Define translocation

A

Movement of sucrose and amino acids in phloem

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11
Q

What is the name of the process by which sucrose and amino acids are transported from source to sink in the phloem?

A

Translocation

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12
Q

What is the name of the process by which water and minerals are transported from roots to leaves in xylem?

A

Transpiration

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13
Q

What is the function of a root hair cell?

A

Absorb water and mineral from the soil

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14
Q

What is the name of the plant cell that absorbs water from the soil?

A

Root hair cells

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15
Q

Why do root hair cells have a large surface area?

A

To absorb as much water and mineral as possible

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16
Q

What enables root hair cells to increase the rate of absorption of water and ions?

A

Large surface area

17
Q

Why do root hair cells have no chloroplasts?

A

Because they don’t absorb sunlight

18
Q

Which structure usually found in plant cells is absent from a root hair cell?

A

Chloroplast