Beta is represented by which single-letter abbreviation?

• A. Be
• B. beta
• C. B
• D. b

Answer: (D)

Representing Greek letters in plain text often needs a simple Latin substitute. For beta, the shorthand commonly used is a lowercase b. This small letter is the most straightforward ASCII stand-in for the Greek β, and it avoids confusion with other uses of the capital B (which could be a generic variable) or with Be, the chemical symbol for beryllium. Using the lowercase b signals the beta form clearly, especially when distinguishing it from alpha (often implied as a or a similar shorthand) in contexts like isomer forms or receptor subtypes. In quick notes or field charts where the β glyph isn’t available, using b is the standard practice.