0653.B7.1.02 — State the principal dietary sources and describe the importance of: (a).carbohydrates (b). fats and oils (c).proteins (d). vitamins, limited: past paper questions
Real questions on 0653.b7.1.02 — state the principal dietary sources and describe the importance of: (a).carbohydrates (b). fats and oils (c).proteins (d). vitamins, limited
The newest 20 of 21 written questions. Open one to see it on the real paper.
- 0653/31 · October/November 2025 · Q3c(ii)[1]
State why carbohydrates are important in the body.
See it on the paper → - 0653/32 · October/November 2025 · Q2d(i)[1]
Circle one principal source of iron.
See it on the paper → - 0653/32 · October/November 2025 · Q2d(ii)[1]
State the dietary importance of calcium.
See it on the paper → - 0653/31 · May/June 2025 · Q3b(i)[1]
Identify the nutrient in Table 3.1 that helps to keep food moving through the large intestine. (i)
See it on the paper → - 0653/31 · May/June 2025 · Q3b(ii)[2]
A health authority recommends that adults should eat 0.040 g of vitamin C per day. A person eats 100 g of bananas. Use Table 3.1 to calculate the percentage of the recommended mass of vitamin C the person eats. percentage =
See it on the paper → - 0653/32 · February/March 2025 · Q1b(i)[1]
Describe the importance of proteins as part of a balanced diet.
See it on the paper → - 0653/32 · February/March 2025 · Q1b(ii)[1]
Circle the name of the smaller molecules that proteins are made from.
See it on the paper → - 0653/21 · October/November 2024 · Q4[1]
Which two components of cow’s milk are essential for strong teeth and bones?
See it on the paper → - 0653/62 · October/November 2024 · Q1a(iii)[1]
Food A is high in fat and food B is high in protein. State what can be concluded about the amount of energy in fat compared to the amount of energy in protein.
See it on the paper → - 0653/62 · October/November 2024 · Q1a(iv)[1]
Explain why the amount of energy is calculated per gram of food.
See it on the paper → - 0653/33 · May/June 2024 · Q7a(i)[1]
Identify two fruits with identical fat content per 100 g of fruit. and
See it on the paper → - 0653/33 · May/June 2024 · Q7a(ii)[1]
Eating fruit helps the movement of food through the alimentary canal. Explain why avocados are the best fruit in Table 7.1 to eat for this process.
See it on the paper → - 0653/33 · May/June 2024 · Q7a(iii)[2]
A student mixes 20 g of crushed avocado into a biuret solution. After 5 minutes the biuret solution changes colour. Use Table 7.1 to explain this observation.
See it on the paper → - 0653/43 · May/June 2024 · Q4b(i)[1]
A diet that lacks vitamin D is a cause of vitamin D deficiency in humans. State one other cause of vitamin D deficiency in humans.
See it on the paper → - 0653/43 · May/June 2024 · Q4b(ii)[1]
Describe one effect of vitamin D deficiency in humans.
See it on the paper → - 0653/31 · October/November 2023 · Q4c(i)[1]
State the dietary importance of fibre.
See it on the paper → - 0653/33 · October/November 2023 · Q7a(iii)[1]
State the dietary importance of carbohydrates.
See it on the paper → - 0653/22 · May/June 2023 · Q5[1]
What can be caused by a diet containing too little vitamin C?
See it on the paper → - 0653/12 · October/November 2022 · Q6[1]
Which statements about dietary fibre are correct?
See it on the paper → - 0653/42 · February/March 2022 · Q4b[1]
Describe the dietary importance of fibre (roughage).
See it on the paper →
What examiners said
Most candidates successfully answered this question, stating fibre.
— Examiner report, May/June 2025, 0653/31 Q3(b)(i) (Cambridge)
To answer this question, 0.0087 had to be divided by 0.04 to find out what fraction of the daily requirement for vitamin C is provided by 100 g of bananas and then this fraction expressed as a percentage. There were many correct answers. Common errors included just multiplying the 0.0087 × 100 or calculating the fraction by working out 0.04 ÷ 0.0087.
— Examiner report, May/June 2025, 0653/31 Q3(b)(ii) (Cambridge)
Many candidates stated the general need for proteins for growth and repair of tissues. Other specific roles of proteins were also awarded credit, e.g., to make enzymes and to build muscle. Some candidates stated that proteins are used for releasing energy. This response was not accepted because proteins can release energy during periods of starvation but not as part of a balanced diet as stated in...
— Examiner report, February/March 2025, 0653/32 Q1(b)(i) (Cambridge)
Past papers, syllabus and examiner reports © UCLES (Cambridge University Press & Assessment). Questions are matched to topics from the official syllabus. AssessPro is independent and not endorsed by Cambridge.