OCR A Level Biology B (Advancing Biology)
OCR A Level Biology B (Advancing Biology) The Cellular Basis of Cancer and Treatment Exam Questions
Free OCR A Level Biology B (Advancing Biology) exam questions on The Cellular Basis of Cancer and Treatment, with mark schemes. Covers cell cycle control, oncogenes, tumour suppressor genes, cancer diagnosis and treatment.
The Cellular Basis of Cancer and Treatment exam questions
1 question pack of real past exam questions with its mark scheme. Answer every question without notes, then mark your answers line by line against the mark scheme.
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A Level Biology Flashcards
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About OCR A Level Biology B (Advancing Biology) The Cellular Basis of Cancer and Treatment
This topic covers how cancer develops and is treated.
What you need to know
- Cell cycle control Checkpoints and regulatory proteins.
- Genes Proto-oncogenes, oncogenes and tumour suppressor genes.
- Tumours Benign and malignant tumours.
- Treatment Surgery, chemotherapy and radiotherapy.
Common mistakes in The Cellular Basis of Cancer and Treatment
- Saying all tumours are cancerous.
- Confusing oncogenes and tumour suppressor genes.
- Forgetting chemotherapy affects healthy dividing cells.
Try three The Cellular Basis of Cancer and Treatment exam-style questions
1. Explain how a mutated tumour suppressor gene causes cancer. (2 marks)
Show the mark scheme answer
It no longer slows cell division (1), so cells divide uncontrollably (1).
2. State one difference between benign and malignant tumours. (1 mark)
Show the mark scheme answer
Malignant tumours spread (metastasis).
3. Explain why chemotherapy causes hair loss. (1 mark)
Show the mark scheme answer
It targets rapidly dividing cells including hair follicles.
The Cellular Basis of Cancer and Treatment FAQs
What does this topic cover?
Cancer causes, diagnosis and treatment.
What is metastasis?
Spread of cancer cells to other parts of the body.
Which risk factors increase cancer?
Smoking, UV exposure and certain viruses.
Revise this topic with flashcards: A Level Biology Flashcards, with mark scheme answers for Anki and Quizlet.
