Matter and Cellular Organization · CSEC Integrated Science

20 past-paper questions on Matter and Cellular Organization, part of Section A: The Organism and Its Environment, from every CSEC Integrated Science paper on Quelpr.

1. 4(b)(i)a)1 mark· CSEC Integrated Science · 2005 · Paper 2Explain why a sterile swab was used in step one.
2. 4(b)(i)b)1 mark· CSEC Integrated Science · 2005 · Paper 2Explain why bacteria were collected specifically from the mouth.
3. 4(b)(i)c)1 mark· CSEC Integrated Science · 2005 · Paper 2Explain why the third agar plate was not treated with any mouthwash.
4. 4(b)(i)d)2 marks· CSEC Integrated Science · 2005 · Paper 2Explain why the culture plates were incubated at 37 °C.
5. 4(b)(ii)1 mark· CSEC Integrated Science · 2005 · Paper 2Identify which agar plate exhibited the highest amount of bacterial growth based on Figure 7.
6. 4(b)(iii)1 mark· CSEC Integrated Science · 2005 · Paper 2Suggest what caused the high bacterial growth rate observed in the plate identified in (b)(ii).
7. 4(b)(iv)2 marks· CSEC Integrated Science · 2005 · Paper 2State which brand of mouthwash is more effective, giving one reason from the results.
8. 4(b)(v)1 mark· CSEC Integrated Science · 2005 · Paper 2State which mouthwash label in Figure 6 makes the more accurate claim based on the experimental results.
9. 1(b)2 marks· CSEC Integrated Science · May/June 2010 · Paper 2Name TWO processes responsible for the movement of water at Y and Z in Figure 1B.
10. 2(a)(i)2 marks· CSEC Integrated Science · May/June 2011 · Paper 2State TWO structural similarities between a typical cell of the grass and a typical cell of the rabbit.
11. 2(a)(ii)2 marks· CSEC Integrated Science · May/June 2011 · Paper 2State TWO structural differences between a typical cell of the grass and a typical cell of the rabbit.
12. 3(a)(i)1 mark· CSEC Integrated Science · May/June 2014 · Paper 2State which cell represents a plant cell.
13. 3(a)(ii)2 marks· CSEC Integrated Science · May/June 2014 · Paper 2Give TWO reasons for your choice in (a)(i).
14. 3(a)(iii)1 mark· CSEC Integrated Science · May/June 2014 · Paper 2Name the cell structure responsible for storing genetic information.
15. 3(b)(i)1 mark· CSEC Integrated Science · May/June 2014 · Paper 2Distinguish between 'diffusion' and 'osmosis'.
16. 3(b)(ii)1 mark· CSEC Integrated Science · May/June 2014 · Paper 2Identify the process that caused the wilting lettuce to become firm after being sprinkled with water.
17. 3(b)(iii)2 marks· CSEC Integrated Science · May/June 2014 · Paper 2Explain how this process kept the lettuce firm.
18. 4(a)(i)1 mark· CSEC Integrated Science · May/June 2015 · Paper 2What is a microorganism?
19. 4(b)(i)1 mark· CSEC Integrated Science · May/June 2015 · Paper 2Name ONE microorganism that is used to make bread in the commercial industry.
20. 1(b)(i)2 marks· CSEC Integrated Science · May/June 2016 · Paper 2Explain scientifically how scents from orchard flowers travel to the house to cause nausea during pregnancy.