Functional properties of carbohydrates

Which of the following elements are not found in carbohydrates?

• carbon

• helium

• hydrogen

• oxygen

which of the following is an example of a group of carbohydrates?

• monosaccharides

• disaccharides

• polysaccharides

• all of the above

Which of the following is true of monosaccharides?

• they are the simplest form of carbohydrates

• they do not contain carbon

• they are formed when two monosaccharides join together

• they are the most complex form of carbohydrates

Which of the following is true of a disaccharide?

• they are made up of many monosaccharides

• they do not contain carbon

• they are the simplest carbohydrate molecule

• they are formed when two monosaccharides join

An example of a disaccharide is sucrose. Which of the following are the two monosaccharides which make up sucrose?

• Glucose and fructose

• Glucose and galactose

• 2 molecules of glucose

• 2 molecules of fructose

Which of the following is not an example of a polysaccharide?

• Starch

• Glycogen

• Maltose

• Cellulose

Which of the following best describes the term ‘dextrinisation’?

• The process involving the browning of starch when subjected to dry heat

• It occurs when sucrose (sugar) is heated above its melting point

• It occurs when starch is mixed with liquid and heated

• The change in structure of protein molecules

Which of the following processes occur in carbohydrate?

• Denaturation

• Coagulation

• Gelation

• Gelatinisation

Which of the following best describes the process of caramelisation?

• Sucrose is heated above its melting point

• It occurs when starch is mixed with liquid and heated

• The change in structure of protein molecules

• When starch is mixed with water and heated

Which of the following is not a type of carbohydrate?

• Starch

• Sugar

• Saturated fat

• Fibre