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A-LevelBiologyBiodiversity and conservationOct/Nov 2010Paper 1 Q391 Mark

The diagram represents part of the nitrogen cycle. [Figure 39.1 showing a nitrogen cycle diagram with processes A, B, C, D labeled] Which process is carried out by nitrifying bacteria?

Aconversion of nitrogen in atmosphere to ammonia
Bconversion of ammonia to nitrogen compounds in plants
Cconversion of nitrogen compounds in soil to ammonia
Dconversion of ammonia to nitrogen in atmosphere

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The correct answer is C. This question tests the candidate's understanding of biodiversity and conservation within the Biologysyllabus. The examiner's mark scheme requires...

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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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About This A-Level Biology Question

This multiple-choice question appeared in the Cambridge A-Level Biology (9700) Oct/Nov 2010 examination, Paper 1 Variant 2. It tests the topic of Biodiversity and conservation and is worth 1 mark.

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