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Question

Olfactory receptor cells belong to which of the following groups of cells?

A
Modified epithelial cells
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B
Bipolar neurons
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C
Multipolar neurons
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D
Unipolar neurons
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Solution

The correct option is B Bipolar neurons
Based on the number of axon and dendrites, the neurons are divided into three types, i.e., multipolar (with one axon and two or more dendrites), bipolar (with one axon and one dendrite) and unipolar (cell body with one axon only).

The olfactory epithelium, found within the nasal cavity, contains olfactory receptor, a bipolar cell, which have specialized cilia extensions. The cilia trap odour molecules as they pass across the epithelial surface.



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