Answer
Pure culture: Only one type of microbe, for example, bacteria is present in this culture.
Subculture: A culture made from another culture is called subculture.
Mixed Culture: This culture contains multiple types of microbes. These may be different species of same genus or altogether different types of genus.
Contaminated Culture: This type of culture was initially made as pure culture. However, later on it is contaminated by other types of microbes.
Stock Culture: This culture is stored in specific conditions, which preserve the microbes, for future use
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