Multiple choice general knowledge

In which of the following insects, a pigment called luciferin is found?

  1. Housefly

  2. Firefly

  3. Sandfly

  4. Fruitfly

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Fireflies produce light through bioluminescence using the chemical luciferin. When luciferin reacts with oxygen in the presence of the enzyme luciferase, light is produced. This is used for mate attraction and communication.