Question

Bats detect obstacles in their path by receiving the reflected 

A. Infrasonic waves 

B. Ultrasonic waves 

C. Radio waves 

D. Microwaves

Answer 1

Correct option (b) Ultrasonic waves

Explanation:

Bats are one of the few mammals that can use sound to navigate Bats produce sounds, which are usually ultrasonic, ranging in frequency from 20 kilohertz (kHz) to 200 kHz. 

The ears and brain cells in bats are especially tuned to the frequencies of the sounds they emit and the echoes that result.