Lactose in the milk gets turned into ________ by the action of Lactobacillus bacteria.

Citric acid

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Lactic acid

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Fumeric acid

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Malic acid

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Solution

The correct option is B Lactic acid
Lactose in the milk gets turned into Lactic acid by the action of Lactobacillus (bacteria). Therefore the milk becomes thick (curd). It gives the sour taste. When curd is processed cottage cheese (panneer) is obtained.

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Match the micro-organisms in column A with their action in column B:

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(v) A protozoan (e) Causing cholera

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