| Date | May 2016 | Marks available | 1 | Reference code | 16M.1.HL.TZ0.40 |
| Level | Higher level | Paper | Paper 1 | Time zone | TZ0 |
| Command term | Label | Question number | 40 | Adapted from | N/A |
Question
The image shows a section of a seminiferous tubule.
What is shown by the letter X?
A. Meiosis I in a primary spermatocyte
B. A spermatogonium undergoing mitosis
C. Meiosis II in a secondary spermatocyte
D. A spermatid undergoing meiosis
Markscheme
A
Examiners report
Most candidates recognized cell X as a primary spermatocyte. There were some complaints that the chromosomes were not very clear, but this did not seem to be the case.
Syllabus sections
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