🔬 Science & TechnologyUPSC 2022Space & Space Technology

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 food 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?

a1 only
b2 only
c1 and 3
d2 and 3
✓ Correct answer: c) 1 and 3
ExplanationProbiotics are live microorganisms that are intended to have health benefits when consumed or applied to the body.Statement 1 is correct: Probiotics can be composed of bacteria, yeast, or both.The most common types of bacteria used as probiotics are Lactobacillus and Bifidobacterium, while Saccharomyces boulardii is an example of a yeast that is sometimes used as a probiotic.Statement 2 is incorrect: Probiotics contain microorganisms that are similar to or the same as those naturally present in our bodies, especially in the digestive tract.Our gut microbiota consists of many types of bacteria, some of which are also found in probiotic products.These probiotics are often called “good” or “friendly” bacteria because they support gut health.Statement 3 is correct: Some probiotic bacteria, like Lactobacillus, produce an enzyme called lactase, which helps in the digestion of milk sugar (lactose).Lactase breaks down lactose into simpler sugars, making it easier for the body to absorb.This is especially helpful for people who are lactose intolerant and have difficulty digesting dair

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