Food spoils fast when it has moisture and air, allowing microbes to grow. Dry foods or preserved items like pickles last longer because moisture or air is removed, stopping microbial growth.
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
Some foods spoil quickly because they have moisture and are exposed to air, creating perfect conditions for microbes to multiply. Examples are milk, bread and fresh fruits. Others, like pickles, ghee or dried foods, last longer because preservation methods remove moisture or block air, preventing microbes from growing and keeping food fresh for weeks or months.
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