Which of the following organisms play a crucial role in the ammonification step of the nitrogen cycle?
Nitrogen-fixing bacteria
Nitrifying bacteria
Denitrifying bacteria
Decomposers
Related Questions
Which nutrient cycle is significantly influenced by the burning of fossil fuels?
Phosphorus cycle
Nitrogen cycle
Water cycle
Carbon cycle
Which of the following processes does NOT contribute to the acceleration of the phosphorus cycle?
Mining phosphate rock
Using phosphate fertilizers
Deforestation
Composting
Another name of nutrient cycling is
Gaseous cycle
Sedimentary cycle
Biogeochemical cycle
Carbon cycle
Human activities can significantly influence biogeochemical cycles. Which of the following human interventions has the GREATEST impact on accelerating the phosphorus cycle?
Deforestation and land clearing
Agricultural practices like tilling and fertilization
Discharge of untreated sewage into water bodies
Mining phosphate rock for fertilizer production
The exchange pool in the carbon cycle is
Fossil fuels
Sedimentary rock
Water
Atmosphere
Which of the following accurately describes the role of ammonification in the nitrogen cycle?
Conversion of atmospheric nitrogen into ammonia by nitrogen-fixing bacteria
Conversion of ammonia into nitrites by nitrifying bacteria
Conversion of organic nitrogen into ammonia by decomposers
Conversion of nitrates into atmospheric nitrogen by denitrifying bacteria
The process of 'mineralization' in nutrient cycling refers to:
The uptake of nutrients by plant roots from the soil
The weathering of rocks releasing nutrients into the soil
The conversion of organic compounds into inorganic forms by decomposers
The incorporation of nutrients into plant tissues
In an ecosystem, the cycling of nutrient is known as
Geological cycle
Chemical cycle
Geochemical cycle
Biogeochemical cycle
Which process is primarily responsible for the uptake of water and minerals from the soil by plants?
Transpiration
Guttation
Photosynthesis
Absorption
Which of the following is NOT a major reservoir of phosphorus in the nutrient cycle?
Atmosphere
Rocks
Soil
Oceans
