A-LevelBiologyCell structureMay/June 2022Paper 1 Q21 Mark
A specimen is observed twice with a microscope, firstly using green light with a wavelength of 510 nm and then using red light with a wavelength of 650 nm. What happens to the magnification and resolution when using red light compared to green light?
Adecreases
remains the same
Bincreases
increases
Cremains the same
decreases
Dremains the same
increases
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of cell structure 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...
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