plumiCarbohydrates and lipids: CAIE A‑Level Biology questions
Every CAIE A-Level Biology exam question on 2.2 Carbohydrates and lipids, June 2024 and the specimen papers, with its mark scheme and examiner’s report.
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Calculations
Q3(a)
The whole paper ↗![Specimen Paper 2, question 3(a): Describe the reaction that is catalysed by lactase. Use Fig. 3.1 to help you. In your answer, identify Y and product Z. [4]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/970002-spec-03-a-qp.webp)
All 5 questions on Carbohydrates and lipids, as a list
- June 2024, Paper 1, Q7 (1 mark): The table shows the number of carbon atoms and the number of carbon–carbon double bonds in molecules of three triglycerides and the fatty acids they contain. Th
- Specimen, Paper 1, Q7 (1 mark): What is the general formula for amylose? A (C5H10O5)n B (C5H10O6)n C (C6H12O6)n D (C6H10O5)n
- Specimen, Paper 1, Q8 (1 mark): Which statement describes how the molecular structure of starch is suited to its function? A Amylose has a branched structure and amylopectin is coiled to give
- Specimen, Paper 1, Q9 (1 mark): Cows and whales are mammals that produce milk to feed their babies. Newborn whales grow faster than newborn cows. Milk contains fatty acids with a range of chai
- Specimen, Paper 2, Q3(a) (4 marks): Describe the reaction that is catalysed by lactase. Use Fig. 3.1 to help you. In your answer, identify Y and product Z. [4]
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