0654.B9.4.03 — State the functions of the following 5 State the functions of: components of blood: (a). lymphocytes – antibody production (a). red blood ce: past paper questions

Real questions on 0654.b9.4.03 — state the functions of the following 5 state the functions of: components of blood: (a). lymphocytes – antibody production (a). red blood ce

The newest 7 of 7 written questions. Open one to see it on the real paper.

1. 0973/41 · October/November 2024 · Q4a[3]

   A student monitors their heart rate during vigorous exercise for 30 minutes. Their heart rate is measured in beats per minute (bpm). Fig. 4.1 is a graph of the results. 200 180 160 140 heart rate / bpm 120 100 80 60 0 5 10 15 20 25 30 35 time / minutes Fig. 4.1 Complete the sentences to describe and explain the results...

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2. 0973/32 · May/June 2023 · Q4b[4]

   Fig. 4.2 is a photomicrograph of blood. B A Fig. 4.2 State the names and functions of the two types of cells, A and B, shown in Fig. 4.2. cell type A name function cell type B name function

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3. 0973/41 · May/June 2023 · Q7c[2]

   Components of blood are responsible for protecting the body from disease‑causing organisms including some strains of bacteria. State the name of the component of blood responsible for: antibody production blood clotting.

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4. 0973/41 · May/June 2023 · Q10b[2]

   Immersion of cell A in concentrated salt solution changes the shape of the cell. Suggest how this change in shape affects the function of red blood cells in the body.

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5. 0973/31 · May/June 2021 · Q7a[4]

   Table 7.1 shows some of the functions of the main components of blood. Complete Table 7.1 with the name of the component of blood for each function. Table 7.1 name of component function of component blood clotting oxygen transport phagocytosis and antibody production used for transport of hormones

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6. 0973/42 · May/June 2021 · Q1c(ii)[2]

   Describe two ways the cells shown in Fig. 1.3 are adapted for their function.

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7. 0973/41 · October/November 2020 · Q1c(i)[2]

   Describe two ways red blood cells are adapted for their function.

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What examiners said

Most candidates scored full marks on this question, correctly identifying white blood cells and platelets.

— Examiner report, May/June 2023, 0973/41 Q7(c) (Cambridge)

Most candidates demonstrated an understanding that red blood cells have an increased surface area. However, not all applied this knowledge to explain how the change of shape would affect its function.

— Examiner report, May/June 2023, 0973/41 Q10(b) (Cambridge)

Red blood cells linked to oxygen transport and white blood cells linked to phagocytosis or antibody production were the most popular correct answers.

— Examiner report, May/June 2021, 0973/31 Q7(a) (Cambridge)