Multiple choice general knowledge How many legs do butterflies have? 8 legs 6 legs 12 legs 10 legs Reveal answer Fill a bubble to check yourself B Correct answer Explanation Butterflies are insects, and all insects have 6 legs by definition. This is a basic biological fact. The other options (8, 10, 12 legs) are characteristic of arachnids like spiders (8 legs) or other organisms, not insects.