As Bread: Yeast similarly Curd:

Correct option is B

Explanation:

• Bread is made using yeast, which is a type of fungus that helps in fermentation.
• Similarly, curd is formed through the fermentation of milk by bacteria. Specifically, lactic acid bacteria (like Lactobacillus) convert lactose in milk into lactic acid, which gives curd its texture and tangy taste.

Thus, the analogy is:

$$\text{Bread : Yeast }⟹\text{Curd : Bacteria}.$$