O-LevelBiologyGenetics & Variation5090/12 · Oct/Nov 2023 · Q331 Mark

The diagram shows a fetus in the uterus. [Figure 33.1] Which structures are essential for feeding the fetus, and which structures are essential for supporting it and protecting it from mechanical shocks? [Table 33.1]

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Afeeding: P and Q, supporting and protecting: R and S

Bfeeding: P and R, supporting and protecting: Q and S

Cfeeding: Q and S, supporting and protecting: P and R

Dfeeding: R and S, supporting and protecting: P and Q

✓ Correct answer

B: feeding: P and R, supporting and protecting: Q and S

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Topic: Genetics & Variation, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2023 Paper 1 Variant 2, question 33.

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