Practice IB Biology Topic B1.1 Carbohydrates and Lipids with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for B1.1 Carbohydrates and Lipids and mirrors Paper 1A, 1B, 2 style where relevant.
Get instant solutions, detailed explanations, and build confidence with questions aligned to IB examiner expectations.
Glucose was tested under two conditions. Which properties explain both results?
| Test | Result |
|---|---|
| Added to water | 98% remained dissolved |
| Supplied to respiring cells | ATP production increased |
A linear polymer forms from 100 monomers; its mass is 1782 Da below their total. Water has mass 18 Da.
…
Complete hydrolysis of carbohydrate X consumes two water molecules and yields three hexose molecules. Which description of X is correct?
The diagram below represents a fatty acid. What type of fatty acid is shown?
What property of starch and glycogen makes them suitable for storage in cells without causing osmotic problems?
Water-soluble; releases energy when oxidized
Water-soluble; releases energy during condensation
Water-insoluble; releases energy when oxidized
Water-insoluble; releases energy during condensation
One monosaccharide formed by two condensation reactions
Two monosaccharides joined by one condensation reaction
Three monosaccharides joined by two condensation reactions
Three polysaccharides joined by two hydrolysis reactions
Saturated
Monounsaturated
Polyunsaturated
Trans-fatty acid
They have branched structures that increase surface area
They are compact polysaccharides with low solubility
They can be rapidly hydrolyzed when energy is needed
They contain α-glucose monomers linked by glycosidic bonds
