Skip to main content
A-LevelBiologyInfectious diseasesFeb/Mar 2022Paper 1 Q381 Mark

Which row shows how penicillin kills bacteria? [Figure 38.1]

Aformation of peptidoglycan cross-links water enters and bacteria burst
Bbreakdown of peptidoglycan cross-links water enters and bacteria burst
Cformation of peptidoglycan cross-links water leaves and bacteria dehydrate
Dbreakdown of peptidoglycan cross-links water leaves and bacteria dehydrate

✓ Correct Answer

The correct answer is A. This question tests the candidate's understanding of infectious diseases 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

About This A-Level Biology Question

This multiple-choice question appeared in the Cambridge A-Level Biology (9700) Feb/Mar 2022 examination, Paper 1 Variant 2. It tests the topic of Infectious diseases and is worth 1 mark.

Oracle Prep provides AI-powered practice for all Cambridge O-Level and A-Level subjects. Our platform includes topic predictions with 87.7% accuracy, AI essay grading, and a comprehensive question bank spanning 25 years of past papers.

© 2026 Oracle Prep — The AI-Powered Cambridge Exam Engine