Question

Encircle the odd one out. Give reasons for your choice.

• A. Cheese
• B. Curd
• C. Vinegar
• D. Yeast

Answer 1

The correct option is D

Yeast

The correct option is D:

Explanation of the correct option :

1. Yeast is a unicellular eukaryote that reproduces asexually by budding.
2. These single-celled microorganisms are classified as the members of the Kingdom Fungi.
3. Yeast is used as a raising agent in baking.

Explanation of the incorrect option:

Option A:

1. Certain lactic acid bacteria turn the milk sour.
2. They convert lactose sugar of milk into lactic acid.
3. It coagulates the milk protein casein to form curd.
4. The semisolid component (curd) is separated from the fluid and is made into cheese.

Option B:

1. Curd is produced from milk by the action of Lactobacillus bacteria.
2. During curd formation, lactose (milk sugar) of milk is converted into lactic acid which coagulates milk protein casein to form curd.

Option C:

1. The acidity or sourness of vinegar brightens the flavor of food and adds balance to a rich dish.
2. It is found in popular kitchen staples like salad dressings, marinades, sauces, mayonnaise, and ketchup.
3. Vinegar can change the texture of foods.

Final answer: The odd one is yeast because it is a microorganism.