The receptors for smell are known as
a. cones
b. rods
c. olfactory cilia
d. taste buds

Olfactory Cilia.

Explanation:

The olfactory receptors(cilia) are known to detect the sense of smell. They are known as odorant receptors which are expressed i the cell membrane of the olfactory receptors neurons.

They are responsible for the detection of smell. An activated olfactory receptors triggers the nerve impulses and sens the signals (odor) to the brain. In vertebrates, olfactory receptors are located in both synapse or cilia of olfactory receptor neurons.

segmentation=endoskeleton=backbone=coelom=tissues