| Date | November 2020 | Marks available | 1 | Reference code | 20N.1.HL:.tz0.28 |
| Level | Higher Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | What | Question number | 28 | Adapted from | N/A |
Question
What controls the release of antidiuretic hormone (ADH) to the body?
Markscheme
D
Examiners report
By far the most challenging question (37.60 %). The main discriminator was C, but each answer garnered at least 10 % of the responses. The discrimination value was very low, indicating that this is an area of improvement, as many students guessed at the correct answer.
Syllabus sections
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18N.1.HL:.tz0.28:
Which describes the hypothalamus?
I. Secretes GHRH
II. Secretes somatostatin
III. Secretes GH
A. I only
B. I and II only
C. II and III only
D. I, II and III
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22M.1.HL:.tz0.29:
The diagram shows the endocrine system. What is X?
[Source: EPA, n.d. What is the endocrine system? [online] Available at: https://www.epa.gov/endocrine-disruption/whatendocrine-system [Accessed 20 May 2020]. Source adapted.]
A. The hypothalamus
B. The pineal gland
C. The pancreas
D. An adrenal gland
- 18N.2.HL:.tz0.7b: Identify the location and function of the pituitary gland.
- 19N.1.HL:.tz0.29: Which part of the brain controls the pituitary gland? A. Cerebellum B. Hypothalamus C....
- 22M.2.HL:.tz0.9d: Explain the relationship between the hypothalamus and the pituitary gland, with specific...
- 21M.2.HL:.tz0.9d: With reference to specific hormones, discuss the relationship between the hypothalamus and...
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21N.2.HL:.tz0.9c:
Explain how the hypothalamus regulates the pituitary gland.
