Advanced Science Primary 3 Diversity

A piece of bread was placed in a dark, damp cupboard. Another piece of bread was toasted until dry and placed on a sunny windowsill. Why did mould grow only on the bread in the cupboard?

A Fungi can only grow in plastic bags.
B Fungi need sunlight to grow.
C Fungi need moisture to grow.
D Toasting the bread created more food for the fungi.
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Worked Solution

Step 1: Compare the two conditions. One is damp and dark; the other is dry and sunny. Step 2: Fungi (mould) require moisture, food, and air to grow. Step 3: The lack of moisture on the toasted bread prevented growth.

Correct answer: Fungi need moisture to grow.

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