Johnston organ is found in

Question

Johnston organ is found in

1. A. Legs of Spider
2. B. Head of Cockroach
3. C. Antennae of Mosquitoes (Correct answer)
4. D. Abdomen of houseflies

Correct Answer

Option C — Antennae of Mosquitoes

Detailed Solution & Explanation

The correct answer is Antennae of Mosquitoes.

Key Points

• Johnston organ is a chordotonal organ located in the pedicel (second segment) of the antennae of mosquitoes and other insects.
• It detects sound vibrations and is important for mating in male mosquitoes.