Biology · Mineral Nutrition
A nitrogen atom initially present in atmospheric N2 is eventually incorporated into a plant protein and later recycled. Arrange the correct chronological sequence of these biochemical transformations: I. Conversion of organic nitrogen into ammonia by decomposers II. Uptake of inorganic nitrogen by plant roots III. Reduction of atmospheric nitrogen to ammonia by symbiotic bacteria IV. Conversion of ammonia into nitrites and nitrates by soil bacteria
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1III → IV → II → I✓
- 2III → I → IV → II
- 3I → III → IV → II
- 4IV → III → II → I
Correct answer
III → IV → II → I
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