Who discovered the honeybee waggle dance?

• A. Karl von Frisch
• B. Louis Pasteur
• C. Charles Darwin
• D. Nikola Tesla

Answer: (A)

The concept being tested is who first showed that honeybees communicate the location of a food source using a waggle dance. Karl von Frisch demonstrated that the waggle dance inside a hive encodes directional and distance information: the angle of the dance relative to the hive’s structure indicates the direction to the nectar source relative to the sun, and the length of the waggle run signals distance. Through careful experiments with feeders placed at various directions and distances and by observing how foraging bees decoded the dances, he showed that bees convey precise navigational information, revealing a sophisticated form of communication. This landmark work earned him a Nobel Prize for his discoveries in animal behavior.

The other figures listed are famous for different domains—Pasteur for germ theory and vaccines, Darwin for natural selection, and Tesla for electrical engineering—so their work did not involve honeybee dance communication.