A Level Biology OCR A Questions
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Overview of A Level in Biology A:

Content is split into six teaching modules:
Module 1 – Development of practical skills in biology
Module 2 – Foundations in biology
Module 3 – Exchange and transport
Module 4 – Biodiversity,evolution and disease
Module 5 – Communication,homeostasis and energy
Module 6 – Genetics,evolution and ecosystems

A Level Biology OCR A Questions
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25 Questions

1. State the type of graph used to show whether there is a correlation between two variables.

2. Describe how proteins are used in respiration.

3. Define genomics.

4. Define sustainable resource.

5. Explain what continuous variation is.

6. Describe when to use paired or unpaired t-test when analysing data.

7. Define proximal convoluted tubule (PCT).

8. Describe and explain the change in the number of species and niches as succession progresses.

9. Outline the route water takes through a plant.

10. Define biomass.

11. Define countercurrent exhange system.

12. Define correlation.

13. Define holoenzyme.

14. Define non-random sampling.

15. Define interspecific variation.

16. What hormones does pituitary gland secrete? (3)

17. What is the symbol for calcium ions? List one biological process it is involved in.

18. State the conventions when writing scientific names.

19. Define the term phagocytosis.

20. Describe a method using a colorimeter to investgate the effect of ethanol conc on permeability of cell membranes.

21. Describe the process of cloning animals by splitting embryos.

22. Define minisatellite.

23. Give 4 examples of anatomical adaptaitons.

24. Draw, label and annotate diagram to show how ciliated epithelium is specialised for its function.

25. Describe the role of plant hormones in controlling the ripening of fruits.

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