Cambridge IGCSE Biology practice

Paper 3 structured question: Water uptake

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Water uptake

Exam-style question

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Paper 3Theory (Core)2 marks

Water moves through different parts of a plant from the soil to the leaves.

Diagram Description

The diagram shows the root hair cells, root cortex cells, xylem vessels, and mesophyll cells in a plant.

a
State the first type of cell that absorbs water from the soil.
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[1]
b
Identify the tissue that transports water upwards through the plant.
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Aim for approximately 1 distinct marking point.
[1]

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Paper 3Theory (Core)2 marks

Description

Water is absorbed by root hair cells, passes through root cortex cells, moves up the xylem, and reaches mesophyll cells in the leaves.

a
State the process by which water moves from root hair cells to root cortex cells.
Your answer
Aim for approximately 1 distinct marking point.
[1]
b
Identify the cells in the leaves where water is used for photosynthesis.
Your answer
Aim for approximately 1 distinct marking point.
[1]