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UPSC PYQPrelims 2022

Civil Services Examination · Question 38

Consider the following statements in respect of probiotics: 1. Probiotics are made of both bacteria and yeast. 2. The organisms in probiotics are found in foods we ingest but they do not naturally occur in our gut. 3. Probiotics help in the digestion of milk sugars. Which of the statements given above is/are correct?

  1. 1 only
  2. 2 only
  3. 1 and 3
  4. 2 and 3
Show answer & explanation

Answer: (C) 1 and 3

Explanation

Probiotics include bacteria (Lactobacillus) and yeasts (Saccharomyces), and they aid lactose digestion. Many of these organisms do occur naturally in the gut.