aqa additional biology
Biology Unit 2
B2.1 Cells and simple cell transport
B2.2 Tissues, organs and organ systems
B2.3 Photosynthesis
B2.4 Organisms and their environment
B2.5 Proteins - their functions and uses
B2.6 Aerobic and anaerobic respiration
B2.7 Cell division and inheritance
B2.8 Speciation
B2.1 Cells and simple cell transport
B2.2 Tissues, organs and organ systems
B2.3 Photosynthesis
B2.4 Organisms and their environment
B2.5 Proteins - their functions and uses
B2.6 Aerobic and anaerobic respiration
B2.7 Cell division and inheritance
B2.8 Speciation
G&T 6 Mark Questions
1. Compare the internal structures of bacterial and yeast cells with those of plants and animals.
2. Describe, with examples, the process of specialisation in cells.
3. Explain what factors can affect the rate of diffusion.
4. Describe the roles of the liver and pancreas in digestion of fats.
5. Describe the adaptations of leaves for photosynthesis.
6. Explain the factors which can limit the rate of photosynthesis in plants.
7. Explain the effect of pH and temperature on enzyme activity.
8. Evaluate the use of enzymes in industrial processes.
9. Outline the uses of enzymes in industry and at home.
10. Evaluate the use of biological detergents.
11. Explain what happens in an athlete’s muscles when running.
12. Describe the changes that take place in the human body during exercise to ensure that the muscles receive enough oxygen and what happens if the oxygen is in short supply.
13. Compare and contrast anaerobic and aerobic respiration.
14. Evaluate the following statement ‘it is safer to use adult stem cells, using embryonic stem cells is not safe’.
15. Outline the stages of mitosis.
16. Outline the stages of meiosis.
17. Compare mitosis and meiosis by referring to what takes place the kind of products that are made.
18. Evaluate the use of embryonic stem cells.
19. Explain what Mendel’s experiments taught us about inheritance.
20. Discuss the ethics associated with genetic screening for genetic disorders.
21. Compare the issues involved in the use of embryo screening for cystic fibrosis and for polydactyly.
22. Describe how species may arise by isolation.
23. Describe how a fossil is formed.
24. Outline the possible causes of extinction.
2. Describe, with examples, the process of specialisation in cells.
3. Explain what factors can affect the rate of diffusion.
4. Describe the roles of the liver and pancreas in digestion of fats.
5. Describe the adaptations of leaves for photosynthesis.
6. Explain the factors which can limit the rate of photosynthesis in plants.
7. Explain the effect of pH and temperature on enzyme activity.
8. Evaluate the use of enzymes in industrial processes.
9. Outline the uses of enzymes in industry and at home.
10. Evaluate the use of biological detergents.
11. Explain what happens in an athlete’s muscles when running.
12. Describe the changes that take place in the human body during exercise to ensure that the muscles receive enough oxygen and what happens if the oxygen is in short supply.
13. Compare and contrast anaerobic and aerobic respiration.
14. Evaluate the following statement ‘it is safer to use adult stem cells, using embryonic stem cells is not safe’.
15. Outline the stages of mitosis.
16. Outline the stages of meiosis.
17. Compare mitosis and meiosis by referring to what takes place the kind of products that are made.
18. Evaluate the use of embryonic stem cells.
19. Explain what Mendel’s experiments taught us about inheritance.
20. Discuss the ethics associated with genetic screening for genetic disorders.
21. Compare the issues involved in the use of embryo screening for cystic fibrosis and for polydactyly.
22. Describe how species may arise by isolation.
23. Describe how a fossil is formed.
24. Outline the possible causes of extinction.