What are the simplest and most complex carbohydrates called given example of each?

The simplest carbohydrates are called monosaccharides, with glucose being a common example. The most complex carbohydrates are known as polysaccharides, with starch and cellulose serving as key examples. Monosaccharides consist of single sugar units, while polysaccharides are made up of long chains of sugar units linked together.