| Date | May 2012 | Marks available | 1 | Reference code | 12M.1.HL.TZ1.40 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Define | Question number | 40 | Adapted from | N/A |
Question
What is a blastocyst?
A. An unfertilized egg surrounded by follicle cells
B. An unfertilized egg cell expelled by menstruation
C. The follicle when it has swelled up with fluid
D. The embryo when it has become a hollow ball of cells
Markscheme
D
Examiners report
N/A
Syllabus sections
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