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Biology Question 103 – NEET-UG 2025

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Which of the following is an example of non-distilled alcoholic beverage produced by yeast?

Alcoholic beverages are primarily produced through the fermentation of sugars by yeast, which converts sugars into ethanol and carbon dioxide.

Step 1: Understand Alcoholic Beverage Production✦ Active

Alcoholic beverages are produced by the fermentation of sugars by yeast, which yields ethanol. Beverages can be broadly classified into non-distilled (fermented only) and distilled (fermented and then concentrated by distillation).

💡 Teacher's Secret Hint

Remember that yeast is crucial for the initial alcohol production in all these beverages.

Step 2: Differentiate Distilled vs. Non-Distilled○ Expand

Distilled beverages (spirits) like Whisky, Brandy, and Rum undergo a distillation process after fermentation to increase their alcohol concentration. Non-distilled beverages, such as Beer and Wine, are consumed directly after fermentation (and sometimes aging) without this concentration step.

Step 3: Evaluate the Options○ Expand

Let's classify each option: 1. Whisky: Distilled from fermented grain mash. 2. Brandy: Distilled from fermented fruit juice. 3. Beer: Produced by fermenting grains with yeast, without distillation. 4. Rum: Distilled from fermented sugarcane byproducts. Based on this, Beer is the only non-distilled alcoholic beverage among the choices.

💡 Teacher's Secret Hint

Focus on the 'non-distilled' aspect of the question.

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