A-LevelBiologyImmunityMay/June 2014Paper 1 Q351 Mark
During a primary immune response, the following events occur. 1 Some B-lymphocytes form plasma cells. 2 B-lymphocytes with the specific cell surface receptors divide repeatedly by mitosis. 3 Specific antibody is produced. 4 T-helper cells secrete cytokines. 5 T-helper cells identify a specific antigen. In which order will the events occur?
A2→1→4→3→5
B2→4→3→1→5
C5→4→2→1→3
D5→4→3→1→2
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of immunity within the Biologysyllabus. The examiner's mark scheme requires...
📋 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...
🔒
Unlock the Examiner's Answer
Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep