Latest questions in this category.
Decomposers, such as bacteria and fungi, break down dead organisms and recycle nutrients back into the ecosystem.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
High temperature and moisture enhance microbial activity, increasing the rate of decomposition.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
Ecological pyramids visually represent the relative energy, biomass, or numbers at different trophic levels in an ecosystem.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
Denitrification is the process in which bacteria convert nitrates back into nitrogen gas, returning it to the atmosphere.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
Biological magnification occurs when toxic substances accumulate in organisms and increase in concentration at higher trophic levels.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
Nutrients are not lost permanently; they are continuously recycled in ecosystems.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
Plants cannot absorb atmospheric nitrogen directly; they rely on nitrogen-fixing bacteria to convert it into a usable form.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
Food webs include decomposers, which play a crucial role in nutrient cycling and ecosystem balance.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
Food webs include decomposers, which play a crucial role in nutrient cycling and maintaining ecosystem balance.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
Decomposers break down organic matter into inorganic substances, releasing nutrients back into the environment.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
A frog is a secondary consumer because it feeds on insects, which are primary consumers.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
Plants cannot absorb nitrogen gas directly from the atmosphere; they depend on nitrogen-fixing bacteria to convert it into usable forms.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
