Date | November 2017 | Marks available | 3 | Reference code | 17N.2.HL.TZ0.04 |
Level | Higher level | Paper | Paper 2 | Time zone | TZ0 / no time zone |
Command term | Describe | Question number | 04 | Adapted from | N/A |
Question
Describe the process of photolysis in photosynthesis.
Markscheme
a. water is split/breaks
b. using energy from light
c. electrons «from photolysis» pass to photosystem II
d. oxygen is a «waste» product
e. hydrogen ions/protons are produced
Allow answer given as an equation
[Max 3 Marks]
Examiners report
[N/A]
Syllabus sections
Additional higher level » Topic 8: Metabolism, cell respiration and photosynthesis » 8.3 Photosynthesis
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