| Date | November 2020 | Marks available | 1 | Reference code | 20N.1.HL:.tz0.27 |
| Level | Higher Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | Which | Question number | 27 | Adapted from | N/A |
Question
Which process is the principal provider of energy in the brain?
A. Aerobic respiration
B. ATP-CP system
C. Lactic acid system
D. Beta oxidation
Markscheme
A
Examiners report
Mid-ranking question.
