UPSC CSE Prelims
Question 96
Consider the following statements in respect of probiotics :
- Probiotics are made of both bacteria and yeast.
- The organisms in probiotics are found in foods we ingest but they do not naturally occur in our gut.
- Probiotics help in the digestion of milk sugars.
Which of the statements given above is/are correct ?
View correct answer and explanation
Correct answer: C
Correct Option: C (1 and 3)
Explanation: Probiotics are live beneficial microorganisms, including bacteria and yeasts; many are natural gut microbes and certain strains aid lactose digestion.
Statement / Pair / Item-wise Analysis:
1. True / qualifies - Probiotics can contain Lactobacillus-type bacteria or beneficial yeasts such as Saccharomyces boulardii.
2. False / does not qualify - Several probiotic species also occur naturally in the human intestinal microbiome.
3. True / qualifies - Some cultures produce beta-galactosidase/lactase activity that helps break down milk sugar.
Option-wise Analysis:
A. Incorrect-omits 3 even though Some cultures produce beta-galactosidase/lactase activity that helps break down milk sugar.
B. Incorrect-includes 2 even though Several probiotic species also occur naturally in the human intestinal microbiome.; omits 1 even though Probiotics can contain Lactobacillus-type bacteria or beneficial yeasts such as Saccharomyces boulardii.; omits 3 even though Some cultures produce beta-galactosidase/lactase activity that helps break down milk sugar.
C. Correct-selects exactly the correct statements/items identified above.
D. Incorrect-includes 2 even though Several probiotic species also occur naturally in the human intestinal microbiome.; omits 1 even though Probiotics can contain Lactobacillus-type bacteria or beneficial yeasts such as Saccharomyces boulardii.