Standard Science Primary 5 Systems

A plant was placed in red-coloured water. After two hours, the stem was cut cross-wise. Which part of the stem would be stained red?

A The outer layer (Phloem)
B The leaves
C The bark
D The inner tubes (Xylem)
Show Worked Solution

Worked Solution

Step 1: Roots absorb the red-coloured water. Step 2: Water is transported upwards through the xylem. Step 3: Therefore, the xylem (inner tubes) will show the red stain.

Correct answer: The inner tubes (Xylem)

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