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Homeostasis and Hormonal Action · CAPE Biology Unit 2

36 past-paper questions on Homeostasis and Hormonal Action, part of Biosystems Maintenance, from every CAPE Biology Unit 2 paper on Quelpr.

Practise Homeostasis and Hormonal Action
  1. 2(a)4 marks· Biology · Unit 2 Q2 2(a)Define the terms 'effector' and 'receptor' and give ONE example of each. Effector: Definition, Example. Receptor: Definition, Example.
  2. 2(a)(i)6 marks· Biology · Unit 2 Q2 2(a)(i)On the grid provided on page 11, plot a line graph of the data provided in Table 1 with time on the x-axis.
  3. 2(a)(ii)2 marks· Biology · Unit 2 Q2 2(a)(ii)State TWO key observations that can be made based on the results of this study.
  4. 2(a)(iii)6 marks· Biology · Unit 2 Q2 2(a)(iii)Explain the mechanisms by which glucagon and insulin function to maintain a normal concentration of glucose in the blood.
  5. 2(b)6 marks· Biology · Unit 2 Q2 2(b)With reference to the properties of ethylene, analyse its actions to bring about desirable changes in fruits during commercial ripening.
  6. 2(c)2 marks· Biology · Unit 2 Q2 2(c)Define the term 'stimulus'.
  7. 2(d)(ii)4 marks· Biology · Unit 2 Q2 2(d)(ii)Explain how the response to a named stimulus is important for the survival of EACH of the following organisms. Green plant: Stimulus, Response, How response aids survival.
  8. 5(b)7 marks· Biology · Unit 2 Q5 5(b)Outline the general principles of hormonal action in animals and discuss the role of hormones in the regulation of blood glucose concentration.
  9. 6(a)(i)3 marks· CAPE Biology Unit 2 · 2003 · Paper 1Comment on the volumes of gases produced, their sequence, and interrelationships.
  10. 6(b)(i)1 mark· CAPE Biology Unit 2 · 2003 · Paper 1Suggest how this knowledge could be used to produce a market-ready fruit.
  11. 6(b)(ii)1 mark· CAPE Biology Unit 2 · 2003 · Paper 1State when the use of that knowledge could be applied.
  12. 6(c)(ii)1 mark· CAPE Biology Unit 2 · 2003 · Paper 1Genetically altered forms of ethylene biosynthetic inhibitor enzymes have been transferred into tomato plants. Suggest ONE way in which the development of the tomato fruits would be affected.
  13. 6(a)(i)2 marks· CAPE Biology Unit 2 · 2006 · Paper 2Define the term Homeostasis and exemplify it with reference to the glucose concentration of the blood and the endocrine-related actions of the pancreas and/or the liver.
  14. 6(a)(ii)2 marks· CAPE Biology Unit 2 · 2006 · Paper 2Define the term Set point and exemplify it with reference to blood glucose concentration and pancreatic/liver function.
  15. 6(a)(iii)3 marks· CAPE Biology Unit 2 · 2006 · Paper 2Define the term Detectors and exemplify it with reference to blood glucose concentration and the endocrine actions of the pancreas and/or liver.
  16. 6(a)(iv)3 marks· CAPE Biology Unit 2 · 2006 · Paper 2Define the term Regulators and exemplify it with reference to blood glucose concentration and pancreatic/liver action.
  17. 7(c)4 marks· CAPE Biology Unit 2 · 2007 · Paper 2Discuss FOUR points of difference between the operation of the nervous and endocrine systems in response to stimuli.
  18. 5(c)7 marks· CAPE Biology Unit 2 · 2008 (Rest of Region) · Paper 2Discuss the hormonal processes involved in maintaining a constant blood glucose concentration around 90 mg per 100 cm³ and rarely exceeding 150 mg per 100 cm³ after a meal.
  19. 5(a)(i)5 marks· CAPE Biology Unit 2 · 2009 · Paper 2Explain how hormones contribute to the maintenance of a fairly constant internal environment in animals despite external environmental changes.
  20. 5(a)(ii)2 marks· CAPE Biology Unit 2 · 2009 · Paper 2Suggest TWO other ways in which ethene plays a regulatory role in plants besides speeding up the ripening of fruits.
  21. 5(b)(i)2 marks· CAPE Biology Unit 2 · 2010 · Paper 2Outline TWO differences between hormonal and nervous control in animals.
  22. 5(b)(ii)4 marks· CAPE Biology Unit 2 · 2010 · Paper 2With reference to diabetes mellitus, explain TWO ways in which a malfunction in hormone activity could lead to disease.
  23. Q251 mark · multiple choice· CAPE Biology Unit 2 · 2011 · Paper 1A diabetic administers an injection of insulin into the body. How does this lead to a lowering of blood glucose concentration?
  24. Q261 mark · multiple choice· CAPE Biology Unit 2 · 2011 · Paper 1Bananas produced in the Caribbean are exported to markets all over the world. The bananas are harvested mature but still green, yet must arrive at the markets ready to eat. Which of the following procedures ensures that…
  25. Q251 mark · multiple choice· CAPE Biology Unit 2 · 2012 · Paper 1The result of an increase in insulin production is
  26. Q261 mark · multiple choice· CAPE Biology Unit 2 · 2012 · Paper 1Bananas produced in the Caribbean are exported to markets all over the world. The bananas are harvested mature but still green, yet must arrive at the markets ready to eat. Which of the following procedures ensures that…
  27. Q251 mark · multiple choice· CAPE Biology Unit 2 · 2013 · Paper 1Which of the following is an example of positive feedback?
  28. Q261 mark · multiple choice· CAPE Biology Unit 2 · 2013 · Paper 1When a decrease in normal blood glucose concentration is detected, Hormone X is secreted. What is Hormone X and precisely where is it produced?
  29. 5(a)(i)2 marks· CAPE Biology Unit 2 · 2013 · Paper 2Give a brief explanation of the concept of 'homeostasis'.
  30. 5(a)(ii)6 marks· CAPE Biology Unit 2 · 2013 · Paper 2Discuss the roles of a receptor, a set point, and an effector in a homeostatic system.
  31. Q251 mark · multiple choice· CAPE Biology Unit 2 · 2014 · Paper 1Which of the following is an example of positive feedback?
  32. Q261 mark · multiple choice· CAPE Biology Unit 2 · 2014 · Paper 1When a decrease in normal blood glucose concentration is detected, Hormone X is secreted. What is Hormone X and precisely where is it produced?
  33. Q381 mark · multiple choice· CAPE Biology Unit 2 · 2014 · Paper 1The presence of a hormone is used as the basis for a pregnancy test. Which of the following hormones is present in the urine of a pregnant woman?
  34. Q251 mark · multiple choice· CAPE Biology Unit 2 · 2015 · Paper 1Which of the following are NOT regulated by a negative feedback mechanism?
  35. Q261 mark · multiple choice· CAPE Biology Unit 2 · 2015 · Paper 1Which of the following functions as an endocrine gland?
  36. 5(a)8 marks· CAPE Biology Unit 2 · 2016 · Paper 2Define the term 'hormone'. With reference to insulin and glucagon, explain how hormones function in the coordination of activities in mammals.

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