Chemistry

Select the correct statement/s

• Carbohydrates are part of nucleic acids

• All carbohydrates have at least one chiral carbon atom in their molecule.

• Carbohydrates are also called sugars.

• All carbohydrates have a sweet taste.

The common sweetener used in households is:

• Lactose

• Sucrose

• Fructose

• Glucose

Which functional groups are present in carbohydrates?

• Hydroxyl and carboxyl

• Amine and carboxyl

• Carbonyl and hydroxyl

• Phosphate and carbonyl

Carbohydrates are characterized by the following:

• They are the most widespread natural organic substances.

• They are components of plant and animal bodies.

• They are classified into monosaccharides and oligosaccharides.

• They are significant for humans only as an energy source.

• according to the position of the –OH group on the last chiral carbon in the vicinity of the –CH2OH group there are D- and L- enantiomers of carbohydrates

The hydrolysis products of sucrose are: …………. and fructose

Which of the following is not a polysaccharide?

• Maltose

• Glycogen

• Amylose

• Cellulose

A storage carbohydrate in animals is:

• Glycogen

• Glucose

Which of the following is a monosaccharide?

• Sucrose

• Lactose

• Cellulose

• Glucose

During photosynthesis, the products are: Oxygen and

The formation of a blue color in reaction with iodine indicates

• Starch

• Cellulose

• Glucose

• Sucrose