A-LevelBiologyBiodiversity and conservationMay/June 2012Paper 1 Q391 Mark
What is the role of decomposers in the nitrogen cycle?
AThey convert proteins to ammonium compounds.
BThey fix atmospheric nitrogen.
CThey oxidise ammonium compounds to nitrites.
DThey oxidise nitrites to nitrates.
✓ Correct Answer
The correct answer is A. This question tests the candidate's understanding of biodiversity and conservation 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