Food spoils when microbes grow on it, changing its smell, taste and colour. Microbes need moisture, air and the right temperature to grow, which is why warm and moist food spoils faster.
Class 5 Our Wondrous World – Health and Well-being – Chapter 3 The Mystery of Food question answer
Class 5 NCERT EVS Our Wondrous World Chapter 3 The Mystery of Food solutions
Food gets spoiled due to the growth of microbes such as bacteria and mould. These tiny organisms feed on the food and produce changes in its smell, taste and appearance. Microbes need moisture, air and suitable temperature to grow. That’s why food kept in warm, moist conditions spoils faster than food stored in dry or cool environments.
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