CAPE Biology Unit 1 · 2015 · Paper 1 · Question Q44
The correct sequence of events is I. Inner cell mass forms. II. The allantois fuses with the chorion. III. Chorionic villi grow. IV. Maternal blood spaces form.
- (A)I, II, III, IV
- (B)I, III, IV, II
- (C)III, I, II, IV
- (D)III, II, I, IV
This question uses a figure or table from the paper — you'll see it when you practise.
The answer is shown once you've answered.
Practise this question