7. Human nutrition
A section of Biology, 0610
Listing 10 of 505 questions
Organisms from the genus Chlorella are protoctists. State the additional information required to name Chlorella according to the binomial system. shows the structure of an organism from the genus Chlorella. cytoplasm cell wall cell membrane chloroplast nucleus Identify two cell structures in that indicate that Chlorella is not a prokaryote. Identify two cell structures in that are found in both fungi and protoctists. State the names of two other kingdoms, apart from fungus, prokaryote and protoctist. and Chlorella is sold as a nutritional supplement. Spirulina is another nutritional supplement. Table 1.1 shows some nutritional information for Chlorella and Spirulina supplements and the recommended daily intake for some nutrients. Table 1.1 nutrient mass of nutrient / mg per 100 g of supplement average recommended daily intake in adults / mg per day Chlorella supplement Spirulina supplement vitamin C 0.74 0.00 80.00 calcium 120.00 5.10 1000.00 iron 37.00 75.50 12.00 One tablet contains 5 g of Chlorella supplement. Using the information in Table 1.1, calculate the number of tablets of Chlorella supplement a person needs to take to provide the recommended daily intake of iron. Give your answer to one decimal place. Space for working. tablets Explain the advantages of taking Chlorella as a dietary supplement rather than Spirulina. Use the data in Table 1.1 to justify your answer. State the name of one food that is a principal dietary source of vitamin C. Chlorella is also a good source of protein. State the importance of proteins in active transport. State the name of the smaller molecules that proteins are made from.
0610_w24_qp_42
THEORY
2024
Paper 4, Variant 2
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For Examiner's Use shows the teeth in the lower jaw of an adult human. X Y Z Name the teeth labelled X, Y and Z. X Y Z Describe the functions of teeth X and Z. X Z Name one mineral and one vitamin that are essential for the healthy development of teeth. mineral vitamin For Examiner's Use shows a section through a tooth. gum dentine Tooth decay is caused by bacteria getting into the dentine. Explain how bacteria can enter the dentine. List three actions you could take to reduce the risk of tooth decay.
0610_w06_qp_2
THEORY
2006
Paper 2, Variant 0
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Define the term enzyme. shows a diagram of part of the human alimentary canal and associated organs. Name the structures labelled A, B, C and D. Write your answers on . A B C D also shows a diagram of part of the human alimentary canal and associated organs. On , draw label lines with letters to show: E where hydrochloric acid is made F where bile is made G where amylase is made H where egestion occurs. State where digested food is absorbed. Digestion of carbohydrate produces glucose. Describe the absorption of glucose.
0610_m16_qp_32
THEORY
2016
Paper 3, Variant 2
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is a diagram of the alimentary canal and associated organs. A B C D E The boxes on the left show the letters on . The boxes in the middle show some of the names of the parts in . The boxes on the right show the functions of the parts. Draw lines to link each part with its correct letter and function. letter on name of the part function A anus contains hydrochloric acid to kill bacteria B mouth production of amylase, protease and lipase C pancreas production of saliva D salivary glands site of egestion E stomach site of ingestion The anus is part of the large intestine. State the names of two other parts of the large intestine. State where mechanical digestion occurs in the alimentary canal. Protein and fats are two of the components of a balanced diet. State the names of three other components of a balanced diet.
0610_m20_qp_32
THEORY
2020
Paper 3, Variant 2
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Questions Discovered
505