biomolecules igcse

Which of these is not a biological molecule?

• Carbohydrates

• Proteins

• Lipids

• Carbon dioxide

Which element is not found in carbohydrates?

• Carbon

• Nitrogen

• Oxygen

• Hydrogen

Which element is not common to both proteins and lipids?

• Carbon

• Nitrogen

• Hydrogen

• Oxygen

What is the name of the building block that proteins are made from?

• Amino Acid

• Fatty acid

• Glycerol

• Simple sugar

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Starch is a carbohydrate. Which building block is starch made from?

• Amino acids

• Fatty acids

• Glycerol

• Simple sugars

Which solutions are used to test for the presence of carbohydrates?

• Buiret

• Heat

• Iodine

• Ethanol

If a solution tested positive for proteins, what colour would it turn?

• Green/yellow/orange/red

• cloudy white

• blue/black

• purple/lilac

Which one is used to detect Vitamin C?

• DCPIP

• Iodine solution

• ethanol

• Benedict solution

What is cellulose used for by plants?

• To absorb water

• To absorb light energy

• For cell membranes

• For cell wall

All polymers are made up of...

• monosaccharides
• monomers
• proteins
• None of these

Tags

NGSS.MS-PS1-1