Coloured patches appeared because of mould, which is a colony of microbes. These microbes grew on the uttapam since it had moisture, air and the right temperature, making it an ideal environment for their growth.
Class 5 Environmental Studies Grade 5 Chapter 3 The Mystery of Food solutions
CBSE Class 5 EVS Unit 2: Health and Well-being Chapter 3 The Mystery of Food Question Answer
The coloured patches on Disha’s uttapam were mould, formed by thousands of microbes. Microbes are tiny living organisms that need moisture, air and warmth to survive. As the uttapam stayed in the lunchbox for days, it provided all these conditions, allowing the microbes to multiply rapidly, changing the food’s colour, smell and taste and causing it to spoil.
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