The graph shows the changes that occur in the concentration of antibodies in the blood of a baby before birth and during the first few months after birth. [Figure shows a graph of antibody concentration vs time/months with curves for total antibodies, antibodies made by baby, and antibodies from mother] Which description about the changes in immunity during the first few months after birth is correct?
✓ Correct Answer
The correct answer is D: passive natural immunity decreases, active natural immunity increases
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
Unlock the Examiner's Analysis
Sign up for free to reveal the full examiner report, trap analysis, and mark scheme breakdown for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep