Cambridge IGCSE Biology · 0610
Biological molecules
Carbohydrates, proteins and fats — their structure, tests and roles. Answer these 7 exam-style questions and get each one marked against the mark scheme — with the misconceptions it tests. No account needed to start.
Exam-style questions0 / 7 answered
Which of the following is the small molecule (monomer) that joins together to make starch?
Why do plants store energy as starch rather than as glucose?
State the small molecule that starch, glycogen and cellulose are all built from.1 mark
How sure are you?
We catch common misconceptions, not just marks.
Explain the function of glycogen in animals.5 marks
How sure are you?
We catch common misconceptions, not just marks.
Suggest why cellulose is described as 'fibre' in the human diet, even though it isn't digested.4 marks
How sure are you?
We catch common misconceptions, not just marks.
Command word · Describe and explainAnswer exactly what this instruction asks for — nothing less scores.
Describe the structural difference between starch and cellulose, and explain how this difference relates to their functions. [4 marks]4 marks
How sure are you?
We catch common misconceptions, not just marks.
Name the small molecules that join together to make a protein.1 mark
How sure are you?
We catch common misconceptions, not just marks.