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Environment and Ecology Part 1.8 - Biogeochemical Cycles

Lesson 8 of 18 • 730 upvotes • 14:46 mins

Roman Saini

Another awesome video in the High Yield series by Roman Saini. Still if you are left with any doubt, ask at his facebook page In this video, Dr. Roman deals with biogeochemical cycles, Shelford’s law of tolerance, Bio-geochemical or nutrient cycle, Standing state, BCG cycles – Two types: Gaseous, Sedimentary, Carbon cycle and its components: anthropogenic activities, Carbon cycle process, Nitrogen cycle: leguminous & leghemoglobin, Nitrogen fixation: rhizobium, azospirillum, frankia, clostridium, anabena, nostoc, 5 categories of plants: Mosses, Algae, Gymnosperms, Angiosperms, Pteridophytes, Azolla fern: Rice cultivation, Azobacter – aerobic, clostridium – anaerobic: Tetanus, Botulism, Associative symbiosis, Nitrification: nitrosomonas/nitrococcus/nitrobactor, Ammonia, Nitrogen assimilation, ammonification, denitrification, Phosphorus cycle: sedimentary – protoplasm, membranes, bones, nucleic acid, cellular energy transfer apparatus, ATP: adenosine triphosphate, Guano, Differences b/w carbon and phosphorus cycle. Video by Unacademy for IAS Preparation. How to prepare for IAS exam, Best IAS Coaching, IAS Civil Services Syllabus, Study Material for IAS Exam, IAS Civil Services Exam, UPSC Preparation, Tips for IAS, Material for IAS Preparation, UPSC Exam Material, IAS How to prepare, Other good resources: Mrunal and Clearias , IAS preparation tips, How to prepare for IAS 2015