Question

For which of the following stimuli is there no known sensory structure in living organisms?

• A. Pressure
• B. Radio waves
• C. Magnetic fields
• D. Vibrations

Answer 1

The correct option is B Radio waves

There is no organ present in a living organism which can detect radio waves. But the lateral line of fishes can detect the pressure and vibrations and bats can detect magnetic fields.

So, the correct option is 'Radio waves'