A-Level Biology AQA unit 1

Which of the following is NOT a type of carbohydrate mentioned in the learning material?

• Glycogen

• Cellulose

• Starch

• Hemoglobin

What type of biological molecule are triglycerides classified under?

• Proteins

• Lipids

• Carbohydrates

• Nucleic acids

Which of the following is a function of proteins as indicated in the learning material?

• Energy storage

• Enzymatic activity

• Insulation

• Hormone production

What process is associated with ATP that involves breaking down and building up?

• Photosynthesis

• Hydrolysis/condensation

• Fermentation

• Respiration

Which ion is not listed as playing a role in the context of inorganic ions in biological molecules?

• Hydrogen

• Iron

• Sodium

• Calcium

What are monosaccharides?

• Polymers of carbohydrates

• Disaccharides

• Monomers from which larger carbohydrates are made

• None of the above

Which of the following is a disaccharide formed by the combination of glucose and fructose?

• Maltose

• Lactose

• Sucrose

• Galactose

What happens during a condensation reaction between two monosaccharides?

• A peptide bond is formed

• A glycosidic bond is formed

• A hydrogen bond is formed

• An ionic bond is formed

What type of sugars are all monosaccharides classified as in the context of Benedict's test?

• Non-reducing sugars

• Reducing sugars

• Polysaccharides

• Disaccharides

What is the color change sequence in Benedict's test indicating increasing quantities of reducing sugar?

• Blue → Brown → Yellow → Green

• Green → Yellow → Blue → Brown

• Blue → Green → Yellow → Brown

• Brown → Yellow → Green → Blue