Two methods are drying and refrigeration. Drying removes moisture, stopping microbes from growing. Refrigeration lowers temperature, slowing microbial activity. Both methods help keep food fresh and safe for longer periods without spoiling.
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
Two common food preservation methods are drying and refrigeration. Drying removes moisture from food and since microbes need water to grow, it stops their activity. Refrigeration lowers the temperature, making it harder for microbes to multiply. Together, these methods help prevent spoilage, keeping food items like grains, fruits, milk and vegetables fresh for days, weeks or even months, depending on storage conditions.
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