Which of the following is a monosaccharie?
a. glucose
b. sucrose
c. cellulose
d. chitin

   A. Glucose

Explanation:  Monosaccharides, or simply sugar, is the simplest type of sugar, which cannot be further processed, i.e. hydrolysed to produce even simpler sugar. Monosaccharides are basic units of carbohydrates, have a solid crystalline structure and are easily soluble in water. Some of the monosaccharides are glucose, fructose, galactose. They are also the building blocks of some of the more complex structures of disaccharides and polysaccharides, such as lactose, sucrose. cellulose.

his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.