Composition and characteristics of probiotics
Question
Consider the following statements in respect of probiotics: Which of the statements given above is/are correct?
- 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.
Options
2 only
3 only
1 and 3
2 and 3
Explanation
Statement 1 is correct; probiotics consist of beneficial live microorganisms, primarily bacteria (like Lactobacillus) but also beneficial yeasts (like Saccharomyces boulardii). Statement 3 is correct; they actively help break down lactose (milk sugars). Statement 2 is incorrect; the defining feature of these probiotic organisms is that they absolutely do naturally occur in our gut microbiome.
Answer: (c).
Question details
Year
2022
Paper
GS Paper 1
Question
Q38
Subject
Science & Technology
Sub-topic
Health & Medical Science
Type
Statement-based
Difficulty
Medium
Nature
Static
Source hint
NCERT Biology Cl.12 / Human Gut Microbiome Probiotic Actions
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