| Date | November 2012 | Marks available | 1 | Reference code | 12N.1.SL.TZ0.7 |
| Level | Standard level | Paper | Paper 1 | Time zone | TZ0 |
| Command term | Question number | 7 | Adapted from | N/A |
Question
Which element or ion is required for transmission of a nerve impulse?
A. Phosphorous
B. Sodium
C. Sulfur
D. Iron
Markscheme
B
Examiners report
N/A
Syllabus sections
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