Unit 2: Form and Function
Topic 2.1: Carbohydrates and Lipids Questions
Practice 20 exam-style questions for IB Biology Topic 2.1. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.
1Identify1 mark
Two monosaccharides are joined together by a condensation reaction.
Which products are formed?
Markscheme and model answer locked
Unlock Question2Identify1 mark
Apart from storing energy, what is a role of the fat layer in adipose tissue under the skin?
Markscheme and model answer locked
Unlock Question3Identify1 mark
In a condensation reaction that joins two monomers, what happens to water?
Markscheme and model answer locked
Unlock Question4Identify1 mark
What is the single structural difference between alpha-D-glucose and beta-D-glucose?
Markscheme and model answer locked
Unlock Question5Identify1 mark
When two monosaccharides join, a new covalent bond forms between them.
What is this bond called?
Markscheme and model answer locked
Unlock Question6Identify1 mark
What is the name of the bond that joins each fatty acid to the glycerol in a triglyceride?
Markscheme and model answer locked
Unlock Question7Identify1 mark
Which statement about a monosaccharide is correct?
Markscheme and model answer locked
Unlock Question8Identify1 mark
Which description correctly matches the structure of cellulose?
Markscheme and model answer locked
Unlock Question9State1 mark
Which type of reaction breaks a disaccharide down into two monosaccharides?
Markscheme and model answer locked
Unlock Question10Identify1 mark
Which two kinds of molecule join together to build a single triglyceride?
Markscheme and model answer locked
Unlock Question11State1 mark
A phospholipid diagram labels the rounded head region X and the two long tail regions Y.
Which row states the properties of X and Y correctly?
Markscheme and model answer locked
Unlock Question12State1 mark
A fatty-acid chain contains one carbon-to-carbon double bond (C=C).
What type of fatty acid is this?
Markscheme and model answer locked
Unlock Question13Identify1 mark
What property of a single carbon atom is mainly responsible for the huge variety of biological molecules?
Markscheme and model answer locked
Unlock Question14Identify1 mark
A triglyceride is built from which two kinds of subunit?
Markscheme and model answer locked
Unlock Question15Distinguish2 marks
• Aimnova practice
Distinguish between a monosaccharide and a disaccharide.
Markscheme and model answer locked
Unlock Question16Identify1 mark
Which part of a phospholipid is hydrophilic?
Markscheme and model answer locked
Unlock Question17Identify1 mark
Which molecule do animals use as their main long-term energy store?
Markscheme and model answer locked
Unlock Question18Identify1 mark
What is the main role of cellulose in a plant cell?
Markscheme and model answer locked
Unlock Question19Identify1 mark
Starch, glycogen and cellulose are all polysaccharides.
Which monosaccharide is the monomer of all three?
Markscheme and model answer locked
Unlock Question20State1 mark
• Aimnova practice
State the chemical formula of a glucose molecule.
Markscheme and model answer locked
Unlock QuestionReady to practice Topic 2.1?
Get instant AI feedback on your answers, view detailed markschemes, and track your progress across all IB Biology topics.