Latest questions in this category.
Photosynthesis removes carbon dioxide from the atmosphere, while respiration releases it back, driving the carbon cycle.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Organism and Environment - Major Biomes Abiotic Factors
Predation is a biotic factor as it involves interactions between living organisms, while temperature, water, and soil are abiotic factors.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Organism and Environment - Major Biomes Abiotic Factors
Population ecology focuses on how populations interact with their environment, including factors affecting population size and distribution.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Organism and Environment - Major Biomes Abiotic Factors
Primary productivity is highest in areas with ample sunlight and nutrients, such as tropical rainforests and shallow ocean waters, not deep ocean zones.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Organism and Environment - Major Biomes Abiotic Factors
Cryptic coloration allows an organism to blend into its environment, such as a leaf insect resembling a leaf.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Organism and Environment - Major Biomes Abiotic Factors
A keystone species plays a critical role in maintaining ecosystem balance, even if it is not the most abundant.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Organism and Environment - Major Biomes Abiotic Factors
Invasive species can outcompete native species, leading to reduced biodiversity and ecosystem imbalance.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Organism and Environment - Major Biomes Abiotic Factors
Population ecology studies how populations interact with both biotic (living) and abiotic (non-living) environmental factors.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Organism and Environment - Major Biomes Abiotic Factors
Disease is a density-dependent factor because its spread increases with population density.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Organism and Environment - Major Biomes Abiotic Factors
Invasive species can outcompete native species, reducing biodiversity and altering ecosystem balance.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Organism and Environment - Major Biomes Abiotic Factors
Primary succession is slower because it starts on bare surfaces, requiring soil formation before larger plants can establish.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Organism and Environment - Major Biomes Abiotic Factors
Groundwater movement is an important part of the water cycle, influencing water availability in ecosystems.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Organism and Environment - Major Biomes Abiotic Factors
