Olfactory lobe is member of the pair of lobes in the forebrain, at anterior end of the cerebrum. they contain endings of olfactory nerves and are concerned with sense of smell.

The correct answer is option 'C', the olfactory lobe. The sense of smell, also known as olfaction, is perceived by the olfactory lobe in the brain. The olfactory lobe is a part of the brain's olfactory system, which is responsible for detecting and processing smells. Let's explore this further in detail.

Olfactory System:
The olfactory system is a specialized sensory system responsible for detecting and processing smells. It consists of several components, including the olfactory epithelium, olfactory nerves, olfactory bulb, and olfactory lobe.

Olfactory Epithelium:
The olfactory epithelium is a specialized tissue located in the upper part of the nasal cavity. It contains olfactory receptor cells, which are responsible for detecting odor molecules in the air.

Olfactory Nerves:
When odor molecules enter the nasal cavity and come into contact with the olfactory epithelium, they bind to specific receptors on the olfactory receptor cells. This binding triggers the olfactory receptor cells to send electrical signals to the olfactory nerves.

Olfactory Bulb:
The olfactory nerves carry the electrical signals from the olfactory receptor cells to the olfactory bulb, which is located at the base of the brain. The olfactory bulb acts as a relay station, processing and filtering the incoming signals.

Olfactory Lobe:
From the olfactory bulb, the olfactory signals are then transmitted to the olfactory lobe, which is a part of the brain's cerebral cortex. The olfactory lobe is specifically dedicated to processing and interpreting olfactory information.

Processing Smell:
In the olfactory lobe, the olfactory signals are further processed and integrated with other sensory information. This allows us to perceive and distinguish various smells. The olfactory lobe also connects with other brain regions involved in memory and emotion, which explains why smells can trigger strong emotional responses and memories.

Conclusion:
In summary, the correct answer is option 'C', the olfactory lobe. The olfactory lobe is responsible for perceiving and processing the sense of smell. It receives olfactory signals from the olfactory bulb and integrates them with other sensory information to allow us to perceive and differentiate smells.