CAIE A-Level Biology A2 14.1.8 Osmoregulation with Adh Questions
Explain osmoregulation with ADH using evidence from each question and mark scheme.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- A2
Exam points
- Explain osmoregulation with ADH.
CAIE A-Level Biology A2 14.1.8 Osmoregulation with Adh Questions question 1
Question (a)
(a)
Fig. 1.2 shows the concentrations of ADH in the blood at different percentage changes in water potential of the blood.
Fig. 1.2
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Question (i)
(i)
Describe the trend shown in Fig. 1.2.
[ 2 ]
Question (ii)
(ii)
Sometimes a person will have a low concentration of ADH in the blood even though there is a change in the water potential.
Suggest one effect on the circulatory system of a low concentration of ADH in the blood.
[ 1 ]
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