| Date | May 2009 | Marks available | 1 | Reference code | 09M.1.HL.TZ1.39 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 39 | Adapted from | N/A |
Question
What is the role of testosterone in spermatogenesis?
A. It stimulates interstitial cells.
B. It stimulates Sertoli cells.
C. It inhibits the germinal epithelium.
D. It inhibits the prostate gland.
Markscheme
B
Examiners report
Many teachers complained that the question was too specific and too much detail about the role of testosterone was expected. 42% of the candidates incorrectly answered A and 58% correctly answered B.
Syllabus sections
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- 17N.2.HL.TZ0.06b: Cell biologists play an important role in research into disease, fertility, evolution and...
- 17M.2.HL.TZ2.7b: Describe the different cell types in the seminiferous tubules that are involved in the...
- 17M.1.HL.TZ2.40: What helps to prevent polyspermy? A. The unequal division of oocytes B. The placental...
- 17M.1.HL.TZ2.39: What does the blastocyst secrete? A. HCG B. Estrogen C. ADH D. Progesterone
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- 17M.1.HL.TZ1.38: Which hormone is inhibited during pregnancy in order to prevent contractions of the...
- 17M.1.SL.TZ1.1: Which structure found in eukaryotes has a single membrane? A. Nucleus B. Lysosome C....
- 16N.1.HL.TZ0.40: Where does the acrosome reaction occur?
- 16M.1.HL.TZ0.40: The image shows a section of a seminiferous tubule. What is shown by the letter X? A....
- 15M.1.HL.TZ1.39: What is the function of the epididymis in the male reproduction system?A. To stimulate sperm...
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- 15M.1.SL.TZ2.26: The image shows the male reproduction system. Where is prostate cancer likely to start...
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- 15M.2.SL.TZ1.6a: Draw a labelled diagram of the human adult male reproductive system.
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- 15M.3.SL.TZ2.7c: Suggest reasons for the rise in mitochondrial respiration in the 48 hours after fertilization.
- 15M.3.SL.TZ2.7b: Compare OCR due to non-mitochondrial oxygen consumption and mitochondrial respiration after...
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- 15M.2.HL.TZ1.4a: Draw a labelled diagram of the human adult male reproductive system.
- 15M.2.HL.TZ1.4b: Compare the processes of spermatogenesis and oogenesis
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- 11M.2.HL.TZ2.8b: Outline the role of hormones in the process of birth in humans
- 12M.2.HL.TZ1.4b (i): Identify the cell labelled X.
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- 11N.2.HL.TZ0.6 a: Describe the production of semen.
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- 12N.2.HL.TZ0.8a: Describe the process of fertilization in humans.
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- 12N.2.HL.TZ0.8c: Outline the hormonal control of the process of birth.
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- 10N.2.HL.TZ0.5a: Draw a labelled diagram of a mature sperm cell.
- 09N.2.HL.TZ0.6b: Outline the process of spermatogenesis in humans.
- 09N.2.HL.TZ0.6c: Explain the structure and function of the placenta during pregnancy.
