Multiple choice general knowledge science & technology

The bates are able to fly in the dark since their wings produce

  1. ultra violet rays

  2. ultrasonic waves

  3. infra red rays

  4. sound waves
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Bats navigate and hunt in darkness through echolocation, emitting ultrasonic waves (high-frequency sound above human hearing) that bounce off objects. Their wings and nose-leaf structures help produce and direct these ultrasonic pulses. They do not produce UV rays, infrared rays, or regular sound waves for navigation.

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