Multiple choice general knowledge science & technology What is it commonly know as ... Allium cepa Onion Garlic Ginger Chilly Reveal answer Fill a bubble to check yourself A Correct answer Explanation Allium cepa is the common onion, a bulb vegetable used as a flavor base in cuisines worldwide. It's distinct from garlic, ginger, or chilly - those are different species within or outside the Allium genus.