A-LevelBiologyGas exchangeOct/Nov 2019Paper 1 Q331 Mark
Four types of cell in the gas exchange system are listed. J alveolus epithelium cell K ciliated cell L goblet cell M smooth muscle cell The ticks (✓) in the table show specialised features of three of these types of cell. Which row correctly matches the specialised feature with the correct cell?
A1: J, 2: M, 3: K
B1: K, 2: J, 3: M
C1: K, 2: M, 3: L
D1: M, 2: K, 3: J
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of gas exchange 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