Multiple choice

The bitter or sharp taste of unripe fruits is due to high concentration of

  1. starch

  2. organic acids

  3. carotenoids

  4. lipids
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B Correct answer
Explanation

Unripe fruits contain high concentrations of organic acids such as citric acid, malic acid, and oxalic acid. As fruits ripen, these acids are metabolized or converted to sugars, reducing the sour taste. This is why unripe fruits taste sharp or bitter while ripe ones taste sweet. Starch, carotenoids, and lipids don't produce this characteristic sour taste.

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