The correct sequence of processes in the nitrogen cycle is:
1. Organic nitrogen formation: Incorporation of ammonia into organic molecules.
2. Soil organic nitrogen formation: Conversion of organic nitrogen into soil compounds.
3. Ammonia formation: Conversion of atmospheric nitrogen into ammonia.
4. Nitrate formation: Oxidation of ammonia and organic nitrogen into nitrates.
LIST I (Photoperiodism) | LIST II (Explanation) |
---|---|
A. Short Day Plants (SDP) | I. Dark period period of 14-16 hours |
B. PR | II. Absorbs light at 730-735nm |
C. Long Day Plants (LDP) | III. Daylight of about 14-16 hours |
D. PFR | IV. Absorbs light at 660-665nm |