Receptors that detect smell of food are:
Correct answer: A. Chemoreceptors
- A. Chemoreceptors
- B. Mechanoreceptors
- C. Nociceptors
- D. Photoreceptors
Explanation
Smell is the detection of dissolved airborne molecules by the olfactory epithelium, which makes its receptors chemoreceptors, the same class as taste buds. Mechanoreceptors respond to pressure or movement and photoreceptors to light, while nociceptors signal pain.
This question appeared on the UHS MDCAT 2026 paper, which you can sit online with every answer explained.
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About Receptors
Receptors are specialized cells or proteins that detect stimuli such as light, sound, pressure, temperature and chemicals, then initiate responses through sensory or hormonal pathways. Questions distinguish sensory receptors from effectors, compare receptor types, and examine stimulus conversion into nerve impulses, including the roles of rods, cones, chemoreceptors and mechanoreceptors.
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