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Question 18M.1.SL.TZ1.30

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.SL.TZ1.30
Level SL Paper 1 Time zone TZ1
Command term Question number 30 Adapted from N/A
30.
[Maximum mark: 1]
18M.1.SL.TZ1.30

What hormone controls the metabolic rate of body cells?

A. Insulin

B. Leptin

C. Melatonin

D. Thyroxin

[1]

Markscheme

D

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