This paper will enable students to-
Soil, water and air environment, Microbial population of air, water and soil. Environment induced genetic and physiologic adaptations in microbes.
Population interaction: Neutralism, Commensalism, Synergism, Mutualism, Competition, Ammensalism, Parasitism, and Predation.
Microbe – Microbe interaction
Plant - Microbe interaction
Animal – Microbe interaction
The Carbon cycle
Trophic relationship & immobilization of carbon within the biosphere
The Hydrogen cycle and Oxygen cycle
The Sulphur cycle
Other element cycles- Phosphorus, Iron, Manganese, Heavy Metals
Nitrogen fixation in symbiotic and free living system, photosynthetic and non-photosynthetic systems, oxygen and hydrogen regulation of nitrogen fixation, nitrification, denitrification and ammonifying bacteria. Pathway of nitrate assimilation in photosynthetic and non-photosynthetic systems, Transamination and deamination processes.
Environmental Pollution: types of pollution, methods for measurement of pollution; methodology of environmental management –the problem solving approach and its limitation.
Global environmental problems: Ozone depletion, UV- B, Green – House effect and acid rain, their impact and biotechnological approaches for management
Wastewater treatment – Aerobic process – activated sludge, oxidation ditches, and trickling filters, rotating discs oxidation ponds.
Anaerobic Process – anaerobic digestion, anaerobic filters up flow anaerobic sludge.
Solid Wastes: Sources and management (composting, vermiculture, methane production). Bioremediation of contaminated soils and wasteland using GMOs. Biopesticides in integrated pest management.