Yogurt is made by fermentation of yeast with milk.

The correct option is B False

Curdling of milk:

1. Milk is fermented to produce yogurt or curd due to the formation of lactic acid.
2. Lactobacillus is used to ferment the milk using lactose and forming lactic acid, which leads to acidity in the milk.
3. Increasing acidity leads to the formation of yogurt and the process is called curdling of milk.

Final Answer: The given statement is false.