No :) A ear of corn (or also known as a cob of corn) is what the grains of corn are taken off of :) Here is a picture to demonstrate what a ear of corn is: http://benscarts.com/learn/wp-content/uploads/2013/07/cornOnTheCob.jpg I hope I was helpful! :)

Also, in U.S. usage, the individual grains are usually called "kernels."