O-LevelBiologyCoordination & Response5090/12 · Oct/Nov 2014 · Q221 Mark

The diagram represents a section through the brain and associated structures. [Figure 22.1] Which labelled region coordinates breathing movements and which secretes a hormone causing ovulation?

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Acoordinates breathing movements 1, secretes a hormone causing ovulation 2

Bcoordinates breathing movements 1, secretes a hormone causing ovulation 4

Ccoordinates breathing movements 3, secretes a hormone causing ovulation 2

Dcoordinates breathing movements 3, secretes a hormone causing ovulation 4

✓ Correct answer

D: coordinates breathing movements 3, secretes a hormone causing ovulation 4

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Topic: Coordination & Response, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2014 Paper 1 Variant 2, question 22.

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