lalitha left a slice of bread inside her tiffin box, after few days she saw a greenish white growth on it. What kind of organism might be growing on the slice? How do such organism obtain nourishment and what is the mode of nutrition known as?

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Solution

Bread mold (fungus) might be growing on the slice. Bread molds are saprophytes which feed on dead and decay organic matter. They secrete digestive juices directly on the food. The enzymes present in digestive juice breaks down the food and then it is absorbed by the bread mold. Such nutrition is known as saprophyitc nutrition.

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