Difference between oil and fat : 

Oil :

a) Liquid at room temperature, 

b) Unsaturated fats like monounsaturated and polyunsaturated are its types,

c) Mostly derived from plants,

d) Improves cholesterol levels,

e) Mainly comes from plants or fish.

Fat :

a) Solid at room temperature

b) Saturated and trans are its types

c) Mostly derived from animal

d) Increases cholesterol levels

e) Mainly comes from animal food but also through vegetable oil by process called hydrogenation