Question

The following is used in preparation of curd:

• A. fungi
• B. yeast
• C. Lactobacillus bacteria
• D. any bacteria

Answer 1

The correct option is C

Lactobacillus bacteria

The correct option is C.

Explanation of the correct option:

1. Lactobacillus is the bacteria used for curdling milk.
2. The Lactobacillus introduced in the milk uses the lactose from the milk and produces lactic acid.
3. Generation of lactic acid makes milk acidic to finally produce curd.

Explanation of the incorrect options:

Option (A):

Fungi is used in the production of antibiotics, cheese and alcoholic beverages.

Option (B):

1. Yeast is a fungi used for preparing alcoholic beverages.
2. It uses the sugar from the ingredients to produce ethyl alcohol.
3. Yeast is also used in bakeries and processing cheese.

Option (D):

All bacteria are not useful in food production and hence they are not going to produce curd.

Final Answer: Lactobacillus bacteria are used in the preparation of curd.