Which is one of the five basic tastes?

• A. Sour
• B. Spicy
• C. Tangy
• D. Vinegary

Answer: (A)

Verified step by step guidance

1. Understand that the question is asking about the five basic tastes, which are fundamental taste categories recognized by the human tongue.
2. Recall the five basic tastes: sweet, sour, salty, bitter, and umami.
3. Identify that 'sour' is one of the five basic tastes.
4. Recognize that 'spicy', 'tangy', and 'vinegary' are not considered basic tastes. 'Spicy' is a sensation caused by capsaicin, 'tangy' is often used to describe a sharp taste that can be sour, and 'vinegary' refers to the taste of vinegar, which is acidic and can be related to sour.
5. Conclude that 'sour' is the correct answer as it is one of the five basic tastes.