Receptors in the nose are olfactory receptors and they are the things that basically give you the ability to smell different smells.
Receptors kind of allow you to feel or smell or hear etc.
Receptors in the taste buds are simply taste receptors, they help you taste different foods and such.
The animal cell and the plant cell have some organelles in common but there are some organelles that belong to only one of the cell. In the question given here, mitochondria, cillia and ribosomes are found in both plant and animal cells. The cell wall is found only in the plant cell. So, the correct option is B
Hope that help!
