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Cambridge IGCSE Biology practice

Paper 4 structured question: Blood

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Blood

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Paper 4Theory (Extended)2 marks

A diagram shows two white blood cells involved in the immune response. One cell has a large round nucleus and little cytoplasm; the other has a lobed nucleus and more cytoplasm.

Diagram Description

White Blood Cells

Cell X: large round nucleus, little cytoplasm. Cell Y: lobed nucleus, abundant cytoplasm.

CellNucleus ShapeCytoplasm Amount
XLarge roundLittle
YLobedMore
  1. a

    State which cell is a lymphocyte.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    State which cell is a phagocyte.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 4 structured question: Blood

Paper 4Theory (Extended)2 marks

Diagram Description

White Blood Cell Images

Image A shows a cell with a large round nucleus and thin rim of cytoplasm. Image B shows a cell with a lobed nucleus and abundant cytoplasm.

ImageNucleus ShapeCytoplasm Amount
ALarge roundLittle
BLobedMore
  1. a

    Identify the type of white blood cell shown in Image A.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    Identify the type of white blood cell shown in Image B.

    Aim for approximately 1 distinct marking point.

    [1]