Which role is played by lactic acid bacteria (LAB) in our stomach ?
(a) Beneficial            (b) Harmful               (c) Neutral                (d) All of these

Dear student.

The correct answer is beneficial.
 

Lactic acid bacteria

• Improves the nutritional value of food
• Helps in digestion by breaking down the food in the stomach
• Helps to maintain the body pH
• Acts as disinfectant in the body by killing bacteria

Regards.