B9.4· 16 questions · 16 marks · 19 min · 2017–2024· Multiple choice
Every Cambridge IGCSE Science - Combined Paper 2 question on blood, laid out as 4 A4 pages with the mark scheme below. Nothing is left out. Free to read, no account.



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4 / 4Answers below. Sit the paper first if you are practising.
Pastlit
Science - Combined 0653 · Blood — Paper 2
IGCSE · topical answer key — answer key (teacher use)
Question
Answer
Marks
| Question | Answer | Marks | From |
|---|---|---|---|
| 1 | A | 1 | 0653/22 Feb/March 2017 |
| 2 | D | 1 | 0653/22 May/June 2017 |
| 3 | D | 1 | 0653/21 Oct/Nov 2017 |
| 4 | A | 1 | 0653/21 Oct/Nov 2017 |
| 5 | B | 1 | 0653/22 Oct/Nov 2017 |
| 6 | C | 1 | 0653/23 Oct/Nov 2017 |
| 7 | A | 1 | 0653/23 May/June 2019 |
| 8 | A | 1 | 0653/21 May/June 2020 |
| 9 | D | 1 | 0653/22 May/June 2020 |
| 10 | B | 1 | 0653/23 May/June 2021 |
| 11 | C | 1 | 0653/23 May/June 2022 |
| 12 | A | 1 | 0653/22 Oct/Nov 2022 |
| 13 | C | 1 | 0653/22 May/June 2023 |
| 14 | C | 1 | 0653/22 Oct/Nov 2023 |
| 15 | C | 1 | 0653/22 Feb/March 2024 |
| 16 | C | 1 | 0653/22 May/June 2024 |
8 Which component of cigarette smoke reduces the oxygen-carrying capacity of the blood? A carbon monoxide B nicotine C smoke particles D tar
1 marks
Answer: A
11 Which type of blood cell is affected by the human immuno-deficiency virus (HIV) and what effect does the virus have on those cells? type of blood cell effect on the blood cell A red prevents them carrying oxygen B red stops them from making the blood clot C white stops them from performing phagocytosis D white reduces antibody production
1 marks
Answer: D
9 The photomicrograph shows a sample of human blood. X What is the function of the cells marked X? A antibody formation B clotting of blood C phagocytosis D transport of oxygen
1 marks
Answer: D
10 Which component of tobacco smoke reduces the ability of haemoglobin to carry oxygen? A carbon monoxide B nicotine C smoke particles D tar
1 marks
Answer: A
7 When we cut ourselves, blood comes out of the wound. Which constituent of blood is most important in the formation of a blood clot? A plasma B platelets C red blood cells D white blood cells
1 marks
Answer: B
7 Which row correctly matches the cell to its function? cell function A blood clotting B blood clotting C oxygen transport D oxygen transport
1 marks
Answer: C
1 Which row has a correct structural adaptation for red blood cells and some of the cells lining the trachea? red blood cells cells lining the trachea A nucleus absent has cilia B nucleus present has cilia C nucleus absent large surface area D nucleus present large surface area
1 marks
Answer: A
6 Which feature of red blood cells allows them to transport oxygen? A contain haemoglobin B large size C surface hairs D thick cell membrane
1 marks
Answer: A
9 Four people have the same resting pulse rate and the same blood glucose concentration. The table shows their pulse rates and blood glucose concentrations later on the same day. Which person has the highest concentration of adrenaline in their blood? blood glucose pulse rate / beats concentration per minute /mg per dm3 A 70 65 B 70 100 C 120 65 D 120 100
1 marks
Answer: D
5 A person has a low level of haemoglobin. Which row identifies the blood cell that transports oxygen and the nutrient the person is deficient in? type of blood cell nutrient deficiency A red calcium B red iron C white calcium D white iron
1 marks
Answer: B
9 Some statements about adrenaline are listed. 1 It has one target organ. 2 It is a hormone. 3 It is produced by a gland. 4 It is transported in the blood. Which statements are correct? A 1, 2 and 3 only B 1, 2 and 4 only C 2, 3 and 4 only D 1, 2, 3 and 4
1 marks
Answer: C
2 Which row describes a correct structural adaptation for red blood cells and for cells lining the trachea? red blood cells cells lining the trachea A nucleus absent cilia present B nucleus present cilia present C nucleus absent small surface area D nucleus present small surface area
1 marks
Answer: A
8 A sample of blood is taken from a person who often gets infections. The blood is also slow to clot. Which blood components are likely to be at a lower level than normal? 1 platelets 2 red blood cells 3 white blood cells A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only
1 marks
Answer: C
1 Four types of cell are listed. 1 egg cell 2 palisade mesophyll cell 3 red blood cell 4 root hair cell Which cell contains chlorophyll and which cell contains haemoglobin? contains contains chlorophyll haemoglobin A 1 3 B 1 4 C 2 3 D 2 4
1 marks
Answer: C
5 Which substance, when deficient in the diet, causes a lack of haemoglobin? A calcium B fats C iron D glucose
1 marks
Answer: C
7 How are mineral ions transported around the human body? A attached to antibodies B attached to haemoglobin C dissolved in blood plasma D inside blood platelets
1 marks
Answer: C