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Excretion and Homeostasis · CSEC Integrated Science

18 past-paper questions on Excretion and Homeostasis, part of Section A: The Organism and Its Environment, from every CSEC Integrated Science paper on Quelpr.

Practise Excretion and Homeostasis
  1. 5(a)3 marks· CSEC Integrated Science · 2005 · Paper 2Label structures (i), (ii), and (iii) indicated on the kidney diagram in Figure 8.
  2. 5(b)(i)a)1 mark· CSEC Integrated Science · 2005 · Paper 2State whether the amount of urea passing point D in Figure 9 increases or decreases following a high-protein meal.
  3. 5(b)(i)b)2 marks· CSEC Integrated Science · 2005 · Paper 2Explain your reasoning for the answer given in (b)(i) a).
  4. 5(b)(ii)2 marks· CSEC Integrated Science · 2005 · Paper 2Suggest one possible medical or physiological reason why glucose might be detected at point D in Figure 9.
  5. 5(b)(iii)1 mark· CSEC Integrated Science · 2005 · Paper 2Explain why glucose detected at point D will consequently be found in the bladder.
  6. 5(b)(vi)1 mark· CSEC Integrated Science · 2005 · Paper 2Name the hormone that acts to reduce blood glucose concentration.
  7. 3(b)(i)6 marks· CSEC Integrated Science · 2007 · Paper 2For EACH patient, state the malfunctioning secretory/endocrine organ and explain why the symptom is experienced.
  8. 4(c)(i)1 mark· CSEC Integrated Science · 2008 · Paper 2Jerry heard barking dogs and ran rapidly away from the game. State which hormone was likely to have enabled this fight-or-flight response.
  9. 4(c)(ii)2 marks· CSEC Integrated Science · 2008 · Paper 2Describe TWO physiological effects of adrenaline on Jerry's body.
  10. 4(d)(ii)1 mark· CSEC Integrated Science · 2008 · Paper 2State which hormone is necessary to control the amount of glucose in Jerry's blood.
  11. 3(a)(iii)1 mark· CSEC Integrated Science · 2009 · Paper 2Suggest one reason for the baby's temperature rising again.
  12. 2(a)2 marks· CSEC Integrated Science · May/June 2015 · Paper 2Distinguish between 'excretion' and 'egestion'.
  13. 2(b)(i)4 marks· CSEC Integrated Science · May/June 2015 · Paper 2Identify the structures labelled A, B, C and D in Figure 3.
  14. 2(b)(ii)1 mark· CSEC Integrated Science · May/June 2015 · Paper 2State the function of the part labelled D in Figure 3.
  15. 2(c)(i)1 mark· CSEC Integrated Science · May/June 2015 · Paper 2Identify ONE excretory product that is likely to be present in the atmosphere of Mr Boodoo's backyard.
  16. 2(c)(ii)1 mark· CSEC Integrated Science · May/June 2015 · Paper 2Identify ONE excretory product that is likely to be present in the soil of Mr Boodoo's backyard.
  17. 2(c)(iii)2 marks· CSEC Integrated Science · May/June 2015 · Paper 2State ONE disadvantage and ONE advantage of the excretory product named in (ii) above.
  18. 2(b)3 marks· CSEC Integrated Science · May/June 2016 · Paper 2Suggest ONE way the owner could prevent potted plants from wilting at midday during sunny periods, giving a reason for your answer.

Related topics in Section A: The Organism and Its Environment