Diet — Paper 2 · IGCSE Biology (9-1) 0970

12 What is the best source of vitamin C in a balanced diet? A fish B fruit C meat D rice

1 marks

Answer: B

This question in 0970/21 May/June 2018

13 A young, active woman requires more of which constituent in her diet than a young, active man? A fat B iron C protein D vitamin C

1 marks

Answer: B

This question in 0970/21 May/June 2018

14 Which condition could be caused by a lack of iron? A anaemia B cholera C scurvy D diabetes

1 marks

Answer: A

This question in 0970/21 May/June 2018

13 What is the result of a diet lacking iron? A bleeding gums B poor wound healing C reduced number of red blood cells D weak bones and teeth

1 marks

Answer: C

This question in 0970/22 Oct/Nov 2018

13 The chart is used to find a person’s recommended mass. 1.85 low low low ideal ideal ideal slightly slightly slightly moderately moderately moderately mass mass mass mass mass mass obese obese obese obese obese obese 1.80 1.75 1.70 height / m 1.65 1.60 1.55 1.50 30 40 50 60 70 80 90 100 110 120 130 140 150 160 mass / kg For the data provided about body mass and height, which person would benefit most from the introduction of a calorie-controlled diet and regular exercise? body mass height / kg / m A 40 1.55 B 50 1.75 C 70 1.80 D 90 1.75

1 marks

Answer: D

This question in 0970/21 May/June 2019

12 Some gardeners use Epsom salts (magnesium sulfate) as a fertiliser for their plants. Epsom salts release magnesium ions into the soil. How would this benefit the plants? A prevents pests from eating the leaves B prevents the leaves from going yellow C prevents water loss from the leaves D prevents the growth of weeds

1 marks

Answer: B

This question in 0970/22 May/June 2019

13 The food label is from a packet of cereal. The label can help someone who is concerned about their diet. Nutrition Typical values 100 g contains Energy 985 kJ 235 kcal Fat 1.5 g of which saturates 0.3 g Carbohydrate 45.5 g of which sugars 3.8 g Fibre 2.8 g Protein 7.7 g Salt 0.5 g A person eats 45 g of cereal. One of the food types listed in the label can help prevent constipation. How many grams of this food type does the person eat? A 1.3 g B 2.8 g C 3.5 g D 7.7 g

1 marks

Answer: A

This question in 0970/22 May/June 2019

12 The pie charts show the composition of 100 g of four different foods. Which food provides the most energy? A B C D key carbohydrate fats and oils protein water

1 marks

Answer: B

This question in 0970/22 Oct/Nov 2019

13 What is the dietary importance of fibre in humans? A for growth and repair of cells B to help food move through the alimentary canal C to maintain strong bones and teeth D to provide energy

1 marks

Answer: B

This question in 0970/21 May/June 2022

13 The table shows some different components in a balanced diet. Which row correctly matches the components to the reasons why they are needed? vitamin D water fats A insulation bone growth to make haemoglobin B bone growth transport insulation C transport to make haemoglobin bone growth D to make haemoglobin insulation transport

1 marks

Answer: B

This question in 0970/22 May/June 2022

23 A person eats foods containing proteins. Some of the amino acids in the proteins are converted to urea and excreted from the body. 1 2 3 proteins amino acids urea urine Which row identifies the sites of processes 1, 2 and 3? site of process 1 site of process 2 site of process 3 A stomach liver kidney B liver kidney bladder C stomach kidney liver D liver stomach kidney

1 marks

Answer: A

This question in 0970/22 Oct/Nov 2022

13 The haemoglobin concentration in the blood of a person is 80 g / dm3. The accepted normal concentration is 120 g / dm3 or above. Which substance may be lacking in their diet? A calcium B fats C fibre D iron

1 marks

Answer: D

This question in 0970/21 May/June 2023

13 The lack of which component of a balanced diet will lead to the development of scurvy? A calcium B iron C vitamin C D vitamin D

1 marks

Answer: C

This question in 0970/22 May/June 2023

16 Which substance found in a healthy diet helps to prevent constipation? A fat B fibre C minerals D vitamins

1 marks

Answer: B

This question in 0970/21 May/June 2024

11 Which substance is needed to make chlorophyll and which part of the plant absorbs the substance? part of the plant substance where the substance is absorbed A calcium root hairs B calcium stomata C magnesium root hairs D magnesium stomata

1 marks

Answer: C

This question in 0970/22 Oct/Nov 2024

13 Which components of a balanced diet are needed to make haemoglobin and to prevent scurvy and rickets? A carbohydrates and mineral ions B carbohydrates and proteins C mineral ions and vitamins D vitamins and fibre

1 marks

Answer: C

This question in 0970/22 Oct/Nov 2024

9 The table shows the recommended daily allowance (RDA) of some nutrients for young children. The table also shows the masses of these nutrients eaten by a child in one day. mass of mass of mass of mass of vitamin C vitamin D iron calcium / mg / g / mg / mg RDA 50 10 11 260 mass eaten in one day 54 5 11 150 Which conditions will the child be at risk of developing if they consume the same diet for a long period of time? 1 anaemia (not having enough red blood cells) 2 rickets 3 scurvy A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 only

1 marks

Answer: D

This question in 0970/21 May/June 2025