AQA A Level Biology MCQ

Maltose is a disaccharide and is made up of which two monosaccharides ...

• glucose + glucose

• glucose + fructose

• glucose + galactose

• fructose + sucrose

Sucrose is a disaccharide and is made up of which two monosaccharides ...

• glucose + glucose

• glucose + fructose

• glucose + galactose

• fructose + sucrose

Lactose is a disaccharide and is made up of which two monosaccharides ...

• glucose + glucose

• glucose + fructose

• glucose + galactose

• fructose + sucrose

Polysaccharides form by which reaction ...

• Hydrolysis

• Condensation

Starch is an example of a polysaccharide, where is it found?

• Plants

• Animals

Glycogen is an example of a polysaccharide, where is it found?

• Plants

• Animals

Which monomer makes up cellulose?

• alpha glucose

• beta glucose

Role of lipids includes ...

• source of energy

• waterproofing

• insulation

• protection

Triglycerides are so called because ...

• they have three fatty acids combined with glucose

• they have two fatty acids combined with glycerol

• they have three fatty acids combined with glycerol

• because they are three

Phospholipids are similar to lipids except that one of the fatty acids is replaced with a phosphate molecule. Which of the following is true?

• Hydrophilic head and Hydrophilic tail

• Hydrophilic head and Hydrophobic tail

• Hydrophilic tail and Hydrophilic tail

• Hydrophilic head and Hydrophilic Head