A-LevelBiologyCell structureOct/Nov 2018Paper 1 Q21 Mark
A specimen of plant tissue is first observed under a microscope using red light with a wavelength of 650 nm. The same specimen is then observed under the same conditions, but using green light with a wavelength of 510 nm. What happens to the magnification and resolution when using green light compared to red light?
Adecreases, decreases
Bincreases, increases
Cremains the same, decreases
Dremains the same, increases
✓ Correct Answer
The correct answer is D. 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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