Question

Which of the following animals can hear ultrasounds?
a) Dogs, b) Whales, c) Bats, d) Dolphins

• A. a and c
• B. b, c and d
• C. a, b and d
• D. All of these

Answer 1

The correct option is D All of these

Animals like dogs, whales, bats, dolphins, etc. can hear sounds of frequencies more than $20,000Hz$, i.e., ultrasounds. These sounds are inaudible to humans. However, they are important for these animals as it helps them to locate prey and escape from obstacles.