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CAIE A-Level Biology 14.1 Homeostasis in Mammals Question Bank

Practise mammalian homeostasis questions by tracing negative feedback through kidney, ADH, glucose control, receptors, effectors and biosensor evidence.

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • identify stimulus, receptor, coordinator, effector and response in negative feedback
  • explain ultrafiltration, selective reabsorption and ADH effects on collecting ducts
  • interpret glucose-control or biosensor data using insulin, glucagon and glucose oxidase

Covered syllabus points

14.1.1—Homeostasis definition and importance14.1.2—Homeostasis control principles14.1.3—Urea production14.1.4—Kidney gross structure14.1.5—Nephron structure14.1.6—Urine formation14.1.7—Nephron structure and function14.1.8—Osmoregulation with ADH14.1.9—Glucagon cell signalling14.1.10—Negative feedback control of blood glucose14.1.11—Glucose test strips and biosensors

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