The taste of lemon is due to the presence of?

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The taste of lemon is due to the presence of? Answer: Citric acid

The sour taste of lemon comes from citric acid, a weak organic acid found in citrus fruits. Citric acid plays a key role in the citric acid cycle (Krebs cycle) in metabolism and is widely used as a flavoring and preservative agent.

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.