Question

The old curd that is added to milk to make curd is called the ____________.

Answer 1

Starter culture:

1. Starter culture is a small amount of bacteria used to kick-start the fermentation process.
2. Fermentation is a metabolic process that occurs when an organism converts a carbohydrate, such as starch or sugar, into alcohol or acid.
3. Curd is produced through the bacterial fermentation of milk. Several microorganisms convert lactose in milk into lactic acid during this process.

Final answer: The old curd that is added to milk to make curd is called the starter culture.