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Date May 2015 Marks available 1 Reference code 15M.1.SL.TZ2.8
Level Standard level Paper Paper 1 Time zone Time zone 2
Command term List Question number 8 Adapted from N/A

Question

What are the most frequently occurring elements in living organisms?
A. calcium, phosphorus, iron and sodium
B. calcium, sodium, nitrogen and phosphorus
C. carbon, phosphorus, oxygen and nitrogen
D. nitrogen, carbon, oxygen and hydrogen

Markscheme

D

Examiners report

[N/A]

Syllabus sections

Core » Topic 2: Molecular biology » 2.1 Molecules to metabolism
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