A measure of an individuals overall intelligence as opposed to specific abilities is called

General intelligence is the measure of an individual's overall intelligence.

Explanation:

General intelligence was thought to be your underlying and overall intelligence and it is also known as the G-factor.  It represents how well you tend to perform on cognitive tests in general.  If you tend to excel in one area your general intelligence can also be relatively high as you perform not poorly on other tests as well. Like an athlete can at different sports. Your intelligence quotient or (IQ) is a measure of individual intelligence plotted on a statistically normal curve that compares you to the general population.  More recently, scholars like Howard Gardner are questioning this view on human mental capacities. Gardner suggests that we have multiple intelligences such as visual-spatial and logical-mathematical.

no because it could make the world a terrible place to live in.