Choose the odd one out from the following?

Now, we check each options.

Option (a): Ear – A sensory organ for hearing.

Option (b): Nose – A sensory organ for smelling.

Option (c): Eye – A sensory organ for vision.

Option (d): Cell – The basic structural and functional unit of life, not a sensory organ.

Ear, Nose, and Eye are all sensory organs.

Cell is not a sensory organ; it is a fundamental unit of life.

Thus, correct option is (d).