Hemicellulose Quiz

What is the largest amount of sugar always present in hemicellulose?

• Mannose

• Xylose

• Galactose

• Rhamnose

Which type of sugar monomers are found in hemicellulose?

• Arabinose, Rhamnose, Glucuronic acid

• Xylose, Mannose, Galactose

• Fructose, Sucrose, Maltose

• Glucose, Lactose, Ribose

What is the main chain composition of xylan?

• D-xylose

• D-glucose

• D-galactose

• D-mannose

Which type of hemicellulose is a heteropolymer consisting of mannose and glucose units?

• Mannan

• Beta-glucan

• Xylan

• Galactoglucomannan

What is starch made up of?

• Linear arabinogalactan and branched glucan

• Linear xylan and branched mannan

• Linear cellulose and branched hemicellulose

• Linear amylose and branched amylopectin

Which of the following is a water-soluble hemicellulose made up of galactose units?

• Xylan

• Mannan

• Glucan

• Galactan

What is the most common method for hemicellulose extraction?

• Enzyme extraction

• Steam extraction

• Acid extraction

• Alkaline extraction

How are hemicelluloses used in various applications?

• As cleaning agents

• As food additives and thickeners

• As construction materials

• As fuel additives

What is the ratio of galactose and arabinose units in arabinogalactan?

• 1:1

• 2:1

• 3:1

• 6:1

Which type of hemicellulose is a homopolymer with a backbone of xylose units?

• Galactoglucomannan

• Mannan

• Beta-glucan

• Xylan