Skip to main content
A-LevelBiologyBiological moleculesMay/June 2012Paper 1 Q61 Mark

A student carried out a series of tests on an extract from a plant. The table shows the results of the tests. [Table 6.1] Which row shows the molecules found in the plant extract?

Aprotein: present, fatty acids: present, reducing sugar: present
Bprotein: absent, fatty acids: present, reducing sugar: present
Cprotein: absent, fatty acids: present, reducing sugar: absent
Dprotein: absent, fatty acids: absent, reducing sugar: present

✓ Correct Answer

The correct answer is B. This question tests the candidate's understanding of biological molecules 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) May/June 2012 examination, Paper 1 Variant 2. It tests the topic of Biological molecules 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