Question

The simplest monosaccharide made up of 3 carbon atoms amongst the following is ............

• A. Erythrose
• B. Glucose
• C. Glyceraldehyde
• D. Ribose

Answer 1

The correct option is C Glyceraldehyde

• The monosaccharide that contains three carbon atom is glyceraldehyde.
• They are called trioses.
• Glyceraldehyde is called aldotriose as it has a carbonyl group at the end of the chain. The other monosaccharides, glucose has 6 carbon atoms, ribose has 5 carbon atoms and erythrose has 4.
• So, the correct answer is 'Glyceraldehyde'.