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GCSE Blood and its Components Worksheet (with Mark Scheme)
A printable GCSE and IGCSE biology worksheet on blood and its components for Year 10 and 11. It covers plasma, red blood cells, white blood cells (phagocytes and lymphocytes), platelets and blood clotting, and microscopy, through recall questions, topic questions and exam-style questions, including a 6-mark extended response. The mark scheme gives mark points and a levels-based scheme for the 6-mark question. It is long enough to use across more than one lesson or as a revision pack.
- Year 10–11
- GCSE and IGCSE Biology
- 142 marks
- Exam-style questions
- Free PDF
What the worksheet covers
| Section | Topic | What students do | Marks |
|---|---|---|---|
| A | Recall | Multiple choice, gap fill, true or false, matching components to functions | 33 |
| B | Topic questions | Composition of blood and plasma, red blood cells, white blood cells, platelets and clotting, microscopy and data | 59 |
| C | Exam-style questions (GCSE / IGCSE) | Longer questions, including a 6-mark extended response with a levels mark scheme | 50 |
| Total | 142 | ||
Skills students practise
- Recalling the components of blood and their functions
- Explaining how red blood cells are adapted to carry oxygen
- Describing how phagocytes and lymphocytes defend the body
- Explaining blood clotting (fibrinogen to fibrin)
- Interpreting microscope images and data
- Writing a structured 6-mark answer
How to use it
- Download and print the worksheet, single- or double-sided.
- Set it as classwork, homework or a revision task.
- Use the mark scheme to mark it yourself, or let students self-assess or peer-assess.
Frequently asked questions
Does this worksheet come with answers?
Yes. A separate mark scheme (4 pages, A4) gives the answers and marking guidance for all 142 marks.
Is the worksheet free?
Yes. Both PDFs are free to download, print and use with your own students.
Which level is it for?
It is written for Year 10 and 11, GCSE, IGCSE. Always check it against your own scheme of work or exam specification.
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