62. Bats can sense obstacles because they produce A.Supersonic sound waves B.Ultrasonic sound waves C.Infrasonic sound waves D.Micro sound waves
Option B Solution: Bats are capable of avoiding obstacles that they encounter, even in complete darkness. This is because they emit ultrasound (high frequency sound) and analyse the echo produced when the sound hits objects on their path. Prey capture without the aid of echolocation by some bats is also described.
