O-LevelBiologyCell Biology5090/12 · Oct/Nov 2016 · Q361 Mark

What are the functions of the amniotic sac and the amniotic fluid?

Aact as a barrier to the passage of bacteria and allow the transfer of some antibodies to the fetus

Bprotect the fetus from physical shock and allow the fetus to move freely

Cprovide soluble nutrients such as glucose and mineral ions for the fetus

Dsupply oxygen to, and remove carbon dioxide from, the fetus

✓ Correct answer

B: protect the fetus from physical shock and allow the fetus to move freely

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Topic: Cell Biology, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2016 Paper 1 Variant 2, question 36.

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