I've always thought Feynman did poorly on some test in high school for whatever reason and then used that score for the rest of his life as a good story. Feynman was all about the good stories.
Well, intelligence is a meaningless term as in "playing chess is intelligent" or sitting on a stool and answering questions about arithmetic is intelligent. Don't even get me started on creative or consciousness.
Oddly I feel that emotion is well defined as "behavioral modifications generated by reactions to circumstances", which is what John Maynard Smith told me it was.
the problem may have been the low ceiling of the test. For certain tests, getting a single question wrong may drop the IQ from 140 (possible maximum) to 135. Verbal questions can also be a challenge if you don't know obscure vocabulary words.