Question

Ampulla of Lorenzini as found in fishes is a ___________.

• A. Thermoreceptor
• B. Chemoreceptor
• C. Rheoreceptor
• D. Touch receptor

Answer 1

The correct option is A Thermoreceptor

Answer is option A i.e. "Thermoreceptor"
Ampulla of Lorenzini is important receptor or sense organ in fishes. These are grape like pores found in bunches in the snout. They contain ampullae (gland cells) and sensory hair cells. These are thermoreceptors and respond to slight changes in temperature.
Neuromast organs acts as rheoreceptor.
Neuroepithelial bodies acts as neuroreceptor.
Tactile sense organs acts as touch receptor.