Question

Which of the following receptors are responsible for detection of smell?
1. Olfactory
2. Gustatory
3. Both 1 & 2
4. Somatosensory 

Answer 1

Correct Answer - Option 1 : Olfactory

Concept:

• Receptors are the organs or cells which respond to light, heat, or external stimulus and transmit the signal to the sensory nerve.

Explanation:

• Olfactory receptors are located in our nose.
• The olfactory system allows the human body to detect and process smell.
• These are also known as smell receptors and are capable of binding odour molecules.
• They belong to the G-protein-coupled receptor family.
• Most of the olfactory receptors are found on the superior or external surface of the nasal cavity.

Gustatory receptors

• These are is present on the tongue are spread evenly across the taste buds.
• Their main function is to provide a sense of taste.

Somatosensory receptors:

• These receptors in human beings detect touch and temperature.