Nutrition

9.What is the risk of not eating enough of one of the food groups?

10.Which mineral is important for maintaining strong bones?

11.A person with anaemia should eat foods rich in which mineral?

12.Kwashiorkor is caused by a deficiency of which food group?

13.A student is investigating the energy content of different foods. They burn a sample of cheese and use the heat to warm water. The temperature of the water rises by 15°C. Which food group in cheese is most likely the main source of this energy?

14.A person eats a meal containing 50 g of carbohydrate, 20 g of protein, and 10 g of fat. Carbohydrate provides 4 kcal/g, protein provides 4 kcal/g, and fat provides 9 kcal/g. What is the total energy content of the meal?

15.A student plans to test a food sample for the presence of starch. Which reagent should they use?

16.A scientist investigates the effect of temperature on the rate of digestion of protein by an enzyme. Which of the following graphs best shows the expected results?

17.Which of the following is a mineral that helps maintain strong bones?

18.A person with anaemia is advised to eat more of which food group?

19.A student reads that vitamin D deficiency can cause rickets. Which of the following is NOT a symptom of rickets?

20.A food label shows that a product contains 5 g of fibre per serving. Why is fibre important in the diet?

21.A researcher compares the energy content of two foods by burning them and measuring the temperature rise of water. Food A raises the temperature by 20°C, Food B raises it by 10°C. Which conclusion is correct?

22.A student investigates the energy content of a peanut by burning it under a beaker of water. The temperature of the water rises from 20°C to 35°C. The mass of the peanut burned is 0.5 g. The volume of water is 50 cm³. The specific heat capacity of water is 4.2 J/g°C. What is the energy released per gram of peanut?

23.A student tests a food sample for protein using the biuret test. Which colour change indicates the presence of protein?

24.Which of the following foods would be the most suitable for a person with anaemia to eat?

25.A student wants to test a food sample for starch. Which reagent should they add?

26.A researcher compares the energy content of two foods by burning them and measuring the temperature rise of water. Food A (1 g) raises the temperature of 100 g water by 10°C. Food B (2 g) raises the temperature of 100 g water by 15°C. Which food has the higher energy per gram?

27.Kwashiorkor is a deficiency disease caused by a lack of which food group?

28.In an experiment to investigate the effect of temperature on the rate of digestion of starch by amylase, a student measures the time for starch to disappear using iodine solution. Which of the following graphs best shows the expected relationship between temperature and reaction time?

29.A student burns a sample of cheese and uses the heat to warm 50 g of water. The temperature of the water rises from 20°C to 40°C. The mass of cheese burned is 1 g. The specific heat capacity of water is 4.2 J/g°C. What is the energy content of the cheese?

30.A student tests a food sample for reducing sugars using Benedict's solution. After heating, the solution remains blue. What does this indicate?

31.Which of the following is a symptom of scurvy?

32.Which of the following is NOT one of the seven food groups in a balanced diet?

33.What is the main use of carbohydrates in the body?

34.Which food group is needed for growth and repair of tissues?

35.Which of the following foods is a good source of carbohydrates?

36.True or false: Cheese is an example of a food that contains a lot of fibre.

37.A deficiency of which mineral can cause anaemia?

38.Which deficiency disease is caused by a lack of vitamin D?

39.A person with anaemia is advised to eat more meat. Which mineral in meat helps resolve anaemia?

40.Carbohydrates are needed for growth and repair of tissues.

41.Pasta is an example of a food that contains a lot of carbohydrates.

42.Cheese is an example of a food that contains a lot of fibre.

43.Match each food group to its primary function in the body.

44.Arrange the following steps in the correct order to show how a person might develop kwashiorkor due to a protein deficiency:

45.Which of the following are symptoms of anaemia? (Select all that apply)

46.Which of the following is NOT a food group in a balanced diet?

47.A student is investigating the energy content of a peanut. They burn the peanut under a beaker containing 100 g of water. The temperature of the water rises from 22°C to 32°C. The mass of the peanut burned is 0.5 g. Using the formula energy (J) = mass of water (g) × temperature rise (°C) × 4.2, what is the energy content of the peanut per gram?

48.Which of the following are symptoms of scurvy? (Select all that apply)

49.A deficiency of vitamin D causes rickets.

50.Name the seven food groups in a balanced diet.

51.State the reason why we need to eat fibre.

52.State the reason why we need to eat carbohydrates.

53.State the reason why we need to eat lipids.

54.Give an example of a food that contains a lot of protein.

55.Give an example of a food that contains a lot of lipids.

56.State what we are at risk of developing if we do not eat enough of one of the food groups.

57.Calcium is a mineral that helps us maintain strong bones. Name another mineral.

58.A person needs 2000 kcal of energy per day. If they get 50% of their energy from carbohydrates, and carbohydrates provide 4 kcal per gram, how many grams of carbohydrates should they consume?

59.Complete the sentences about deficiency diseases.

60.A person has kwashiorkor. Suggest what food they could eat to resolve this and explain why.

61.A person needs 2500 kcal of energy per day. They get 40% of their energy from carbohydrates (4 kcal/g), 30% from lipids (9 kcal/g), and 30% from proteins (4 kcal/g). How many grams of lipids should they consume per day?

62.Somebody suffers from anaemia. Suggest what food they could eat to resolve this. Explain your reasons why.

63.A person needs 2000 kcal of energy per day. If they get 50% of their energy from carbohydrates, and carbohydrates provide 4 kcal per gram, how many grams of carbohydrates should they consume?

64.A person needs 2500 kcal of energy per day. They get 40% of their energy from carbohydrates (4 kcal/g), 30% from lipids (9 kcal/g), and 30% from proteins (4 kcal/g). How many grams of lipids should they consume per day?